consumer/.ruby-gemset

@@ -0,0 +1 @@
+bettermail_consumer

consumer/Gemfile

@@ -1,5 +1,6 @@
 source 'https://rubygems.org'
 ruby '2.7.2'
+gem 'dotenv'
 gem 'bunny'
 gem 'mail'
-
+gem 'pg'

consumer/Gemfile.lock

@@ -5,9 +5,11 @@ GEM
     bunny (2.19.0)
       amq-protocol (~> 2.3, >= 2.3.1)
       sorted_set (~> 1, >= 1.0.2)
+    dotenv (2.8.1)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     mini_mime (1.1.2)
+    pg (1.4.4)
     rbtree (0.4.5)
     set (1.0.3)
     sorted_set (1.0.3)
@@ -19,7 +21,9 @@ PLATFORMS
 
 DEPENDENCIES
   bunny
+  dotenv
   mail
+  pg
 
 RUBY VERSION
    ruby 2.7.2p137

consumer/bettermail_consumer.rb

@@ -0,0 +1,88 @@
+# frozen_string_literal: true
+
+require 'dotenv/load'
+require 'pg'
+require 'mail'
+require 'bunny'
+
+# Server class
+class BettermailConsumer
+  def initialize
+    @pg = PG::Connection.new(ENV['DATABASE_URL'])
+  end
+
+  def start
+    begin
+      puts ' [*] Waiting for messages. To exit press CTRL+C'
+      mail_queue = bunny_channel.queue(ENV['RABBIT_MAIL_QUEUE'])
+      mail_queue.subscribe(block: true) do |_delivery_info, _properties, body|
+        mail = Mail.read_from_string(body)
+        puts mail
+      end
+      sns_queue = bunny_channel.queue(ENV['RABBIT_SNS_QUEUE'])
+      sns_queue.subscribe(block: true) do |_delivery_info, _properties, body|
+        puts " [x] Received #{_delivery_info}"
+      end
+    rescue Interrupt => _
+      stop
+    end
+
+  end
+
+  def stop
+    @bunny_conn&.close
+    @pg&.close
+  end
+
+  def bunny_channel
+    if @bunny_channel.nil?
+      @bunny_conn = Bunny.new
+      @bunny_conn.start
+      @bunny_channel = @bunny_conn.create_channel
+    end
+    @bunny_channel
+  end
+end
+
+service_name='BetterMail::Consumer'
+# Create a new server instance for listening at localhost interfaces 127.0.0.1:2525
+# and accepting a maximum of 4 simultaneous connections per default
+service = BettermailConsumer.new
+
+# save flag for Ctrl-C pressed
+flag_status_ctrl_c_pressed = false
+
+# try to gracefully shutdown on Ctrl-C
+trap('INT') do
+  # print an empty line right after ^C
+  puts
+  # notify flag about Ctrl-C was pressed
+  flag_status_ctrl_c_pressed = true
+  # signal exit to app
+  exit 0
+end
+
+# Output for debug
+puts("Starting #{service_name}")
+
+# setup exit code
+at_exit do
+  # check to shutdown connection
+  if service
+    # Output for debug
+    puts('Ctrl-C interrupted, exit now...') if flag_status_ctrl_c_pressed
+    # info about shutdown
+    puts("Shutdown #{service_name}...")
+    # stop all threads and connections gracefully
+    service.stop
+  end
+
+  # Output for debug
+  puts "#{service_name} stopped!"
+end
+
+# Start the server
+service.start
+
+# Run on server forever
+service.join

consumer/start.sh

@@ -0,0 +1 @@
+ruby ./bettermail_consumer.rb

proxy/.ruby-gemset

@@ -0,0 +1 @@
+bettermail_proxy

proxy/Gemfile

@@ -0,0 +1,7 @@
+source 'https://rubygems.org'
+ruby '2.7.2'
+gem 'dotenv'
+gem 'bunny'
+gem 'midi-smtp-server', '~> 3.0.1'
+gem 'mail'
+gem 'openssl'

proxy/Gemfile.lock

@@ -0,0 +1,34 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    amq-protocol (2.3.2)
+    bunny (2.19.0)
+      amq-protocol (~> 2.3, >= 2.3.1)
+      sorted_set (~> 1, >= 1.0.2)
+    dotenv (2.8.1)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    midi-smtp-server (3.0.3)
+    mini_mime (1.1.2)
+    openssl (3.0.1)
+    rbtree (0.4.5)
+    set (1.0.3)
+    sorted_set (1.0.3)
+      rbtree
+      set (~> 1.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bunny
+  dotenv
+  mail
+  midi-smtp-server (~> 3.0.1)
+  openssl
+
+RUBY VERSION
+   ruby 2.7.2p137
+
+BUNDLED WITH
+   2.1.4

proxy/bettermail_proxy.rb

@@ -0,0 +1,122 @@
+# frozen_string_literal: true
+
+require 'dotenv/load'
+require 'midi-smtp-server'
+require 'mail'
+require 'bunny'
+
+# Server class
+class BettermailProxy < MidiSmtpServer::Smtpd
+
+  def stop(wait_seconds_before_close: nil, gracefully: nil)
+    super()
+    @bunny_conn&.close
+  end
+
+  def bunny
+    if @bunny.nil?
+      @bunny_conn = Bunny.new
+      @bunny_conn.start
+      ch = @bunny_conn.create_channel
+      ch.direct(ENV['RABBIT_CHANNEL'])
+      ch.queue(ENV['RABBIT_MAIL_QUEUE'])
+      @bunny = ch.default_exchange
+    end
+    @bunny
+  end
+
+  # update local welcome and helo response
+  def on_connect_event(ctx)
+    ctx[:server][:local_response] = 'Client connected'
+    ctx[:server][:helo_response] = 'Welcome to the BetterMail proxy - an SMTP drop in replacement'
+  end
+
+  def on_message_data_headers_event(ctx)
+    # check and append all headers
+    ctx[:message][:data] << "X-bettermail: Received by proxy at #{Time.now}" << ctx[:message][:crlf]
+  end
+
+  # check the authentication
+  # if any value returned, that will be used for ongoing processing
+  # otherwise the original value will be used for authorization_id
+  def on_auth_event(ctx, authorization_id, authentication_id, authentication)
+    # to proceed this test use commands ...
+    # auth plain
+    # > AGFkbWluaXN0cmF0b3IAcGFzc3dvcmQ=
+    # auth login
+    # > YWRtaW5pc3RyYXRvcg==
+    # > cGFzc3dvcmQ=
+    # if authorization_id == '' && authentication_id == 'administrator' && authentication == 'password'
+    #   # yes
+    #   return 'supervisor'
+    # end
+    # # otherwise exit with authentication exception
+    # raise MidiSmtpServer::Smtpd535Exception
+    logger.debug("Authenticated id: #{authentication_id} with authentication: #{authentication} from: #{ctx[:server][:remote_ip]}:#{ctx[:server][:remote_port]}")
+    authentication_id
+  end
+
+
+  # get each message after DATA <message> .
+  def on_message_data_event(ctx)
+    # Just decode message once to make sure, that this message ist readable
+    mail = Mail.read_from_string(ctx[:message][:data])
+    logger.info('Message good. Sending to queue for processing')
+    bunny.publish(mail.to_s, :headers => { 'x-smtp' => mail.header.to_s }, :routing_key => ENV["RABBIT_MAIL_QUEUE"])
+    logger.info('Done')
+  end
+end
+
+# Create a new server instance for listening at localhost interfaces 127.0.0.1:2525
+# and accepting a maximum of 4 simultaneous connections per default
+service = BettermailProxy.new(
+  ports: ENV['PROXY_PORTS'],
+  hosts: ENV['PROXY_HOSTS'],
+  max_processings: 10,
+  auth_mode: :AUTH_REQUIRED,
+  tls_mode: :TLS_REQUIRED,
+  tls_cert_path: './ssl/cert.pem',
+  tls_key_path: './ssl/key.pem'
+)
+
+service_name='BetterMail::SMTPProxy'
+# Create a new server instance for listening at localhost interfaces 127.0.0.1:2525
+# and accepting a maximum of 4 simultaneous connections per default
+
+# save flag for Ctrl-C pressed
+flag_status_ctrl_c_pressed = false
+
+# try to gracefully shutdown on Ctrl-C
+trap('INT') do
+  # print an empty line right after ^C
+  puts
+  # notify flag about Ctrl-C was pressed
+  flag_status_ctrl_c_pressed = true
+  # signal exit to app
+  exit(0)
+end
+
+# Output for debug
+puts("Starting #{service_name}")
+
+# setup exit code
+at_exit do
+  # check to shutdown connection
+  if service
+    # Output for debug
+    puts('Ctrl-C interrupted, exit now...') if flag_status_ctrl_c_pressed
+    # info about shutdown
+    puts("Shutdown #{service_name}...")
+    # stop all threads and connections gracefully
+    service.stop
+  end
+
+  # Output for debug
+  puts "#{service_name} stopped!"
+end
+
+# Start the server
+service.start
+
+# Run on server forever
+service.join

proxy/start.sh

@@ -0,0 +1 @@
+ruby ./bettermail_proxy.rb

services/.gitattributes

@@ -1,8 +0,0 @@
-# See https://git-scm.com/docs/gitattributes for more about git attribute files.
-
-# Mark the database schema as having been generated.
-db/schema.rb linguist-generated
-
-
-# Mark any vendored files as having been vendored.
-vendor/* linguist-vendored

services/.gitignore

@@ -1,30 +0,0 @@
-# See https://help.github.com/articles/ignoring-files for more about ignoring files.
-#
-# If you find yourself ignoring temporary files generated by your text editor
-# or operating system, you probably want to add a global ignore instead:
-#   git config --global core.excludesfile '~/.gitignore_global'
-
-# Ignore bundler config.
-/.bundle
-
-# Ignore the default SQLite database.
-/db/*.sqlite3
-/db/*.sqlite3-*
-
-# Ignore all logfiles and tempfiles.
-/log/*
-/tmp/*
-!/log/.keep
-!/tmp/.keep
-
-# Ignore pidfiles, but keep the directory.
-/tmp/pids/*
-!/tmp/pids/
-!/tmp/pids/.keep
-
-
-/public/assets
-.byebug_history
-
-# Ignore master key for decrypting credentials and more.
-/config/master.key

services/.ruby-gemset

@@ -1 +0,0 @@
-bettermail_services

services/Gemfile

@@ -1,17 +0,0 @@
-source 'https://rubygems.org'
-git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
-ruby '2.7.2'
-gem 'dotenv-rails'
-gem 'bunny'
-gem 'mail'
-gem 'pg'
-gem 'rails', '~> 6.1.7'
-gem 'midi-smtp-server', '~> 3.0.1'
-gem 'openssl'
-
-group :development do
-  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'listen', '~> 3.3'
-  gem 'spring'
-end

services/Gemfile.lock

@@ -1,173 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    actioncable (6.1.7)
-      actionpack (= 6.1.7)
-      activesupport (= 6.1.7)
-      nio4r (~> 2.0)
-      websocket-driver (>= 0.6.1)
-    actionmailbox (6.1.7)
-      actionpack (= 6.1.7)
-      activejob (= 6.1.7)
-      activerecord (= 6.1.7)
-      activestorage (= 6.1.7)
-      activesupport (= 6.1.7)
-      mail (>= 2.7.1)
-    actionmailer (6.1.7)
-      actionpack (= 6.1.7)
-      actionview (= 6.1.7)
-      activejob (= 6.1.7)
-      activesupport (= 6.1.7)
-      mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 2.0)
-    actionpack (6.1.7)
-      actionview (= 6.1.7)
-      activesupport (= 6.1.7)
-      rack (~> 2.0, >= 2.0.9)
-      rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.1.7)
-      actionpack (= 6.1.7)
-      activerecord (= 6.1.7)
-      activestorage (= 6.1.7)
-      activesupport (= 6.1.7)
-      nokogiri (>= 1.8.5)
-    actionview (6.1.7)
-      activesupport (= 6.1.7)
-      builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.1.7)
-      activesupport (= 6.1.7)
-      globalid (>= 0.3.6)
-    activemodel (6.1.7)
-      activesupport (= 6.1.7)
-    activerecord (6.1.7)
-      activemodel (= 6.1.7)
-      activesupport (= 6.1.7)
-    activestorage (6.1.7)
-      actionpack (= 6.1.7)
-      activejob (= 6.1.7)
-      activerecord (= 6.1.7)
-      activesupport (= 6.1.7)
-      marcel (~> 1.0)
-      mini_mime (>= 1.1.0)
-    activesupport (6.1.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-      zeitwerk (~> 2.3)
-    amq-protocol (2.3.2)
-    builder (3.2.4)
-    bunny (2.19.0)
-      amq-protocol (~> 2.3, >= 2.3.1)
-      sorted_set (~> 1, >= 1.0.2)
-    concurrent-ruby (1.1.10)
-    crass (1.0.6)
-    dotenv (2.8.1)
-    dotenv-rails (2.8.1)
-      dotenv (= 2.8.1)
-      railties (>= 3.2)
-    erubi (1.11.0)
-    ffi (1.15.5)
-    globalid (1.0.0)
-      activesupport (>= 5.0)
-    i18n (1.12.0)
-      concurrent-ruby (~> 1.0)
-    listen (3.7.1)
-      rb-fsevent (~> 0.10, >= 0.10.3)
-      rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.19.0)
-      crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
-    mail (2.7.1)
-      mini_mime (>= 0.1.1)
-    marcel (1.0.2)
-    method_source (1.0.0)
-    midi-smtp-server (3.0.3)
-    mini_mime (1.1.2)
-    mini_portile2 (2.8.0)
-    minitest (5.16.3)
-    nio4r (2.5.8)
-    nokogiri (1.13.9)
-      mini_portile2 (~> 2.8.0)
-      racc (~> 1.4)
-    openssl (3.0.1)
-    pg (1.4.4)
-    racc (1.6.0)
-    rack (2.2.4)
-    rack-test (2.0.2)
-      rack (>= 1.3)
-    rails (6.1.7)
-      actioncable (= 6.1.7)
-      actionmailbox (= 6.1.7)
-      actionmailer (= 6.1.7)
-      actionpack (= 6.1.7)
-      actiontext (= 6.1.7)
-      actionview (= 6.1.7)
-      activejob (= 6.1.7)
-      activemodel (= 6.1.7)
-      activerecord (= 6.1.7)
-      activestorage (= 6.1.7)
-      activesupport (= 6.1.7)
-      bundler (>= 1.15.0)
-      railties (= 6.1.7)
-      sprockets-rails (>= 2.0.0)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
-      nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.3)
-      loofah (~> 2.3)
-    railties (6.1.7)
-      actionpack (= 6.1.7)
-      activesupport (= 6.1.7)
-      method_source
-      rake (>= 12.2)
-      thor (~> 1.0)
-    rake (13.0.6)
-    rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
-      ffi (~> 1.0)
-    rbtree (0.4.5)
-    set (1.0.3)
-    sorted_set (1.0.3)
-      rbtree
-      set (~> 1.0)
-    spring (4.1.0)
-    sprockets (4.1.1)
-      concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    sprockets-rails (3.4.2)
-      actionpack (>= 5.2)
-      activesupport (>= 5.2)
-      sprockets (>= 3.0.0)
-    thor (1.2.1)
-    tzinfo (2.0.5)
-      concurrent-ruby (~> 1.0)
-    websocket-driver (0.7.5)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.5)
-    zeitwerk (2.6.6)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  bunny
-  dotenv-rails
-  listen (~> 3.3)
-  mail
-  midi-smtp-server (~> 3.0.1)
-  openssl
-  pg
-  rails (~> 6.1.7)
-  spring
-
-RUBY VERSION
-   ruby 2.7.2p137
-
-BUNDLED WITH
-   2.1.4

services/README.md

@@ -1,24 +0,0 @@
-# README
-
-This README would normally document whatever steps are necessary to get the
-application up and running.
-
-Things you may want to cover:
-
-* Ruby version
-
-* System dependencies
-
-* Configuration
-
-* Database creation
-
-* Database initialization
-
-* How to run the test suite
-
-* Services (job queues, cache servers, search engines, etc.)
-
-* Deployment instructions
-
-* ...

services/Rakefile

@@ -1,6 +0,0 @@
-# Add your own tasks in files placed in lib/tasks ending in .rake,
-# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
-
-require_relative "config/application"
-
-Rails.application.load_tasks

services/app/models/application_record.rb

@@ -1,3 +0,0 @@
-class ApplicationRecord < ActiveRecord::Base
-  self.abstract_class = true
-end

services/app/models/mail_recipient.rb

@@ -1,4 +0,0 @@
-class MailRecipient < ApplicationRecord
-  belongs_to :received_mail
-  belongs_to :recipient
-end

services/app/models/received_mail.rb

@@ -1,4 +0,0 @@
-class ReceivedMail < ApplicationRecord
-  belongs_to :sender
-  has_many :mail_recipients
-end

services/app/models/recipient.rb

@@ -1,3 +0,0 @@
-class Recipient < ApplicationRecord
-  has_many :emails, foreign_key: :recipient_id, class_name: 'MailRecipient'
-end

services/app/models/sender.rb

@@ -1,3 +0,0 @@
-class Sender < ApplicationRecord
-  has_many :sent_mails, foreign_key: :sender_id, class_name: 'ReceivedMail'
-end

services/bin/bundle

@@ -1,114 +0,0 @@
-#!/usr/bin/env ruby
-# frozen_string_literal: true
-
-#
-# This file was generated by Bundler.
-#
-# The application 'bundle' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
-
-require "rubygems"
-
-m = Module.new do
-  module_function
-
-  def invoked_as_script?
-    File.expand_path($0) == File.expand_path(__FILE__)
-  end
-
-  def env_var_version
-    ENV["BUNDLER_VERSION"]
-  end
-
-  def cli_arg_version
-    return unless invoked_as_script? # don't want to hijack other binstubs
-    return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update`
-    bundler_version = nil
-    update_index = nil
-    ARGV.each_with_index do |a, i|
-      if update_index && update_index.succ == i && a =~ Gem::Version::ANCHORED_VERSION_PATTERN
-        bundler_version = a
-      end
-      next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
-      bundler_version = $1
-      update_index = i
-    end
-    bundler_version
-  end
-
-  def gemfile
-    gemfile = ENV["BUNDLE_GEMFILE"]
-    return gemfile if gemfile && !gemfile.empty?
-
-    File.expand_path("../../Gemfile", __FILE__)
-  end
-
-  def lockfile
-    lockfile =
-      case File.basename(gemfile)
-      when "gems.rb" then gemfile.sub(/\.rb$/, gemfile)
-      else "#{gemfile}.lock"
-      end
-    File.expand_path(lockfile)
-  end
-
-  def lockfile_version
-    return unless File.file?(lockfile)
-    lockfile_contents = File.read(lockfile)
-    return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
-    Regexp.last_match(1)
-  end
-
-  def bundler_requirement
-    @bundler_requirement ||=
-      env_var_version || cli_arg_version ||
-        bundler_requirement_for(lockfile_version)
-  end
-
-  def bundler_requirement_for(version)
-    return "#{Gem::Requirement.default}.a" unless version
-
-    bundler_gem_version = Gem::Version.new(version)
-
-    requirement = bundler_gem_version.approximate_recommendation
-
-    return requirement unless Gem.rubygems_version < Gem::Version.new("2.7.0")
-
-    requirement += ".a" if bundler_gem_version.prerelease?
-
-    requirement
-  end
-
-  def load_bundler!
-    ENV["BUNDLE_GEMFILE"] ||= gemfile
-
-    activate_bundler
-  end
-
-  def activate_bundler
-    gem_error = activation_error_handling do
-      gem "bundler", bundler_requirement
-    end
-    return if gem_error.nil?
-    require_error = activation_error_handling do
-      require "bundler/version"
-    end
-    return if require_error.nil? && Gem::Requirement.new(bundler_requirement).satisfied_by?(Gem::Version.new(Bundler::VERSION))
-    warn "Activating bundler (#{bundler_requirement}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_requirement}'`"
-    exit 42
-  end
-
-  def activation_error_handling
-    yield
-    nil
-  rescue StandardError, LoadError => e
-    e
-  end
-end
-
-m.load_bundler!
-
-if m.invoked_as_script?
-  load Gem.bin_path("bundler", "bundle")
-end

services/bin/rails

@@ -1,4 +0,0 @@
-#!/usr/bin/env ruby
-APP_PATH = File.expand_path('../config/application', __dir__)
-require_relative "../config/boot"
-require "rails/commands"

services/bin/rake

@@ -1,4 +0,0 @@
-#!/usr/bin/env ruby
-require_relative "../config/boot"
-require "rake"
-Rake.application.run

services/bin/setup

@@ -1,33 +0,0 @@
-#!/usr/bin/env ruby
-require "fileutils"
-
-# path to your application root.
-APP_ROOT = File.expand_path('..', __dir__)
-
-def system!(*args)
-  system(*args) || abort("\n== Command #{args} failed ==")
-end
-
-FileUtils.chdir APP_ROOT do
-  # This script is a way to set up or update your development environment automatically.
-  # This script is idempotent, so that you can run it at any time and get an expectable outcome.
-  # Add necessary setup steps to this file.
-
-  puts '== Installing dependencies =='
-  system! 'gem install bundler --conservative'
-  system('bundle check') || system!('bundle install')
-
-  # puts "\n== Copying sample files =="
-  # unless File.exist?('config/database.yml')
-  #   FileUtils.cp 'config/database.yml.sample', 'config/database.yml'
-  # end
-
-  puts "\n== Preparing database =="
-  system! 'bin/rails db:prepare'
-
-  puts "\n== Removing old logs and tempfiles =="
-  system! 'bin/rails log:clear tmp:clear'
-
-  puts "\n== Restarting application server =="
-  system! 'bin/rails restart'
-end

services/config.ru

@@ -1,6 +0,0 @@
-# This file is used by Rack-based servers to start the application.
-
-require_relative "config/environment"
-
-run Rails.application
-Rails.application.load_server

services/config/application.rb

@@ -1,40 +0,0 @@
-require_relative "boot"
-
-require "rails"
-# Pick the frameworks you want:
-require "active_model/railtie"
-require "active_record/railtie"
-# require "active_job/railtie"
-# require "active_storage/engine"
-# require "action_controller/railtie"
-# require "action_mailer/railtie"
-# require "action_mailbox/engine"
-# require "action_text/engine"
-# require "action_view/railtie"
-# require "action_cable/engine"
-require "sprockets/railtie"
-# require "rails/test_unit/railtie"
-
-# Require the gems listed in Gemfile, including any gems
-# you've limited to :test, :development, or :production.
-Bundler.require(*Rails.groups)
-
-module Consumer
-  class Application < Rails::Application
-    config.autoload_paths << Rails.root.join('lib')
-    config.eager_load_paths << Rails.root.join('lib')
-    # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.1
-
-    # Configuration for the application, engines, and railties goes here.
-    #
-    # These settings can be overridden in specific environments using the files
-    # in config/environments, which are processed later.
-    #
-    # config.time_zone = "Central Time (US & Canada)"
-    # config.eager_load_paths << Rails.root.join("extras")
-
-    # Don't generate system test files.
-    config.generators.system_tests = nil
-  end
-end

services/config/boot.rb

@@ -1,3 +0,0 @@
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
-
-require "bundler/setup" # Set up gems listed in the Gemfile.

services/config/credentials.yml.enc

@@ -1 +0,0 @@
-3bgXrcBmEQAiInnCmLeo+uzTTZv/XdKvZnr5agIilz+zG5sdTcS6NKTDodS3Z9zla1eH/YPVW+b/yZbTpqf56hu/OY4WO09NA1lWsrWxIgstXCZA6GxUOMnLs1naaYuyV5L/QUo0nvL2HER3wimYr8oG0uF50tRSBdnU21XMXmrKue6noNy1FHfXzRbmqcr2DrYaEPDfEBgFVCtaRR3/lcHstUIu5LgbKThgJFUY1NCkjRQUcGKD94rACQ1FaVoJw+33syRnEEVqEE/pJDX03U+domMLf7JLsu9BqAiBxtyiy/ZmaqZ+bP+R/NiXzuLxrc7x4Lup0cExBalfRwf0PLmOYOoRfuFOhuOtkYRL7dwIVkgm8uf+vtBWLLNFdwwSgK3BsnZqp2HdUH9iLaJUBZEIxuJe0tUj3avg--3B+JnjSZfI0pkw11--gObP0g/Ae5hz20kfQwnfhA==

services/config/environment.rb

@@ -1,5 +0,0 @@
-# Load the Rails application.
-require_relative "application"
-
-# Initialize the Rails application.
-Rails.application.initialize!

services/config/environments/development.rb

@@ -1,68 +0,0 @@
-require "active_support/core_ext/integer/time"
-
-Rails.application.configure do
-  # Settings specified here will take precedence over those in config/application.rb.
-
-  # In the development environment your application's code is reloaded any time
-  # it changes. This slows down response time but is perfect for development
-  # since you don't have to restart the web server when you make code changes.
-  config.cache_classes = false
-
-  # Do not eager load code on boot.
-  config.eager_load = false
-
-  # Show full error reports.
-  config.consider_all_requests_local = true
-
-  # Enable/disable caching. By default caching is disabled.
-  # Run rails dev:cache to toggle caching.
-  if Rails.root.join('tmp', 'caching-dev.txt').exist?
-    config.action_controller.perform_caching = true
-    config.action_controller.enable_fragment_cache_logging = true
-
-    config.cache_store = :memory_store
-    config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.to_i}"
-    }
-  else
-    config.action_controller.perform_caching = false
-
-    config.cache_store = :null_store
-  end
-
-  # Print deprecation notices to the Rails logger.
-  config.active_support.deprecation = :log
-
-  # Raise exceptions for disallowed deprecations.
-  config.active_support.disallowed_deprecation = :raise
-
-  # Tell Active Support which deprecation messages to disallow.
-  config.active_support.disallowed_deprecation_warnings = []
-
-  # Raise an error on page load if there are pending migrations.
-  config.active_record.migration_error = :page_load
-
-  # Highlight code that triggered database queries in logs.
-  config.active_record.verbose_query_logs = true
-
-  # Debug mode disables concatenation and preprocessing of assets.
-  # This option may cause significant delays in view rendering with a large
-  # number of complex assets.
-  config.assets.debug = true
-
-  # Suppress logger output for asset requests.
-  config.assets.quiet = true
-
-  # Raises error for missing translations.
-  # config.i18n.raise_on_missing_translations = true
-
-  # Annotate rendered view with file names.
-  # config.action_view.annotate_rendered_view_with_filenames = true
-
-  # Use an evented file watcher to asynchronously detect changes in source code,
-  # routes, locales, etc. This feature depends on the listen gem.
-  config.file_watcher = ActiveSupport::EventedFileUpdateChecker
-
-  # Uncomment if you wish to allow Action Cable access from any origin.
-  # config.action_cable.disable_request_forgery_protection = true
-end

services/config/environments/production.rb

@@ -1,103 +0,0 @@
-require "active_support/core_ext/integer/time"
-
-Rails.application.configure do
-  # Settings specified here will take precedence over those in config/application.rb.
-
-  # Code is not reloaded between requests.
-  config.cache_classes = true
-
-  # Eager load code on boot. This eager loads most of Rails and
-  # your application in memory, allowing both threaded web servers
-  # and those relying on copy on write to perform better.
-  # Rake tasks automatically ignore this option for performance.
-  config.eager_load = true
-
-  # Full error reports are disabled and caching is turned on.
-  config.consider_all_requests_local       = false
-  config.action_controller.perform_caching = true
-
-  # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
-  # or in config/master.key. This key is used to decrypt credentials (and other encrypted files).
-  # config.require_master_key = true
-
-  # Disable serving static files from the `/public` folder by default since
-  # Apache or NGINX already handles this.
-  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
-
-  # Compress CSS using a preprocessor.
-  # config.assets.css_compressor = :sass
-
-  # Do not fallback to assets pipeline if a precompiled asset is missed.
-  config.assets.compile = false
-
-  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.asset_host = 'http://assets.example.com'
-
-  # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
-
-  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
-  # config.force_ssl = true
-
-  # Include generic and useful information about system operation, but avoid logging too much
-  # information to avoid inadvertent exposure of personally identifiable information (PII).
-  config.log_level = :info
-
-  # Prepend all log lines with the following tags.
-  config.log_tags = [ :request_id ]
-
-  # Use a different cache store in production.
-  # config.cache_store = :mem_cache_store
-
-
-  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
-  # the I18n.default_locale when a translation cannot be found).
-  config.i18n.fallbacks = true
-
-  # Send deprecation notices to registered listeners.
-  config.active_support.deprecation = :notify
-
-  # Log disallowed deprecations.
-  config.active_support.disallowed_deprecation = :log
-
-  # Tell Active Support which deprecation messages to disallow.
-  config.active_support.disallowed_deprecation_warnings = []
-
-  # Use default logging formatter so that PID and timestamp are not suppressed.
-  config.log_formatter = ::Logger::Formatter.new
-
-  # Use a different logger for distributed setups.
-  # require "syslog/logger"
-  # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
-
-  if ENV["RAILS_LOG_TO_STDOUT"].present?
-    logger           = ActiveSupport::Logger.new(STDOUT)
-    logger.formatter = config.log_formatter
-    config.logger    = ActiveSupport::TaggedLogging.new(logger)
-  end
-
-  # Do not dump schema after migrations.
-  config.active_record.dump_schema_after_migration = false
-
-  # Inserts middleware to perform automatic connection switching.
-  # The `database_selector` hash is used to pass options to the DatabaseSelector
-  # middleware. The `delay` is used to determine how long to wait after a write
-  # to send a subsequent read to the primary.
-  #
-  # The `database_resolver` class is used by the middleware to determine which
-  # database is appropriate to use based on the time delay.
-  #
-  # The `database_resolver_context` class is used by the middleware to set
-  # timestamps for the last write to the primary. The resolver uses the context
-  # class timestamps to determine how long to wait before reading from the
-  # replica.
-  #
-  # By default Rails will store a last write timestamp in the session. The
-  # DatabaseSelector middleware is designed as such you can define your own
-  # strategy for connection switching and pass that into the middleware through
-  # these configuration options.
-  # config.active_record.database_selector = { delay: 2.seconds }
-  # config.active_record.database_resolver = ActiveRecord::Middleware::DatabaseSelector::Resolver
-  # config.active_record.database_resolver_context = ActiveRecord::Middleware::DatabaseSelector::Resolver::Session
-end

services/config/environments/test.rb

@@ -1,49 +0,0 @@
-require "active_support/core_ext/integer/time"
-
-# The test environment is used exclusively to run your application's
-# test suite. You never need to work with it otherwise. Remember that
-# your test database is "scratch space" for the test suite and is wiped
-# and recreated between test runs. Don't rely on the data there!
-
-Rails.application.configure do
-  # Settings specified here will take precedence over those in config/application.rb.
-
-  config.cache_classes = true
-
-  # Do not eager load code on boot. This avoids loading your whole application
-  # just for the purpose of running a single test. If you are using a tool that
-  # preloads Rails for running tests, you may have to set it to true.
-  config.eager_load = false
-
-  # Configure public file server for tests with Cache-Control for performance.
-  config.public_file_server.enabled = true
-  config.public_file_server.headers = {
-    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
-  }
-
-  # Show full error reports and disable caching.
-  config.consider_all_requests_local       = true
-  config.action_controller.perform_caching = false
-  config.cache_store = :null_store
-
-  # Raise exceptions instead of rendering exception templates.
-  config.action_dispatch.show_exceptions = false
-
-  # Disable request forgery protection in test environment.
-  config.action_controller.allow_forgery_protection = false
-
-  # Print deprecation notices to the stderr.
-  config.active_support.deprecation = :stderr
-
-  # Raise exceptions for disallowed deprecations.
-  config.active_support.disallowed_deprecation = :raise
-
-  # Tell Active Support which deprecation messages to disallow.
-  config.active_support.disallowed_deprecation_warnings = []
-
-  # Raises error for missing translations.
-  # config.i18n.raise_on_missing_translations = true
-
-  # Annotate rendered view with file names.
-  # config.action_view.annotate_rendered_view_with_filenames = true
-end

services/config/locales/en.yml

@@ -1,33 +0,0 @@
-# Files in the config/locales directory are used for internationalization
-# and are automatically loaded by Rails. If you want to use locales other
-# than English, add the necessary files in this directory.
-#
-# To use the locales, use `I18n.t`:
-#
-#     I18n.t 'hello'
-#
-# In views, this is aliased to just `t`:
-#
-#     <%= t('hello') %>
-#
-# To use a different locale, set it with `I18n.locale`:
-#
-#     I18n.locale = :es
-#
-# This would use the information in config/locales/es.yml.
-#
-# The following keys must be escaped otherwise they will not be retrieved by
-# the default I18n backend:
-#
-# true, false, on, off, yes, no
-#
-# Instead, surround them with single quotes.
-#
-# en:
-#   'true': 'foo'
-#
-# To learn more, please read the Rails Internationalization guide
-# available at https://guides.rubyonrails.org/i18n.html.
-
-en:
-  hello: "Hello world"

services/config/puma.rb

@@ -1,43 +0,0 @@
-# Puma can serve each request in a thread from an internal thread pool.
-# The `threads` method setting takes two numbers: a minimum and maximum.
-# Any libraries that use thread pools should be configured to match
-# the maximum value specified for Puma. Default is set to 5 threads for minimum
-# and maximum; this matches the default thread size of Active Record.
-#
-max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
-min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
-threads min_threads_count, max_threads_count
-
-# Specifies the `worker_timeout` threshold that Puma will use to wait before
-# terminating a worker in development environments.
-#
-worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
-
-# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
-#
-port ENV.fetch("PORT") { 3000 }
-
-# Specifies the `environment` that Puma will run in.
-#
-environment ENV.fetch("RAILS_ENV") { "development" }
-
-# Specifies the `pidfile` that Puma will use.
-pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
-
-# Specifies the number of `workers` to boot in clustered mode.
-# Workers are forked web server processes. If using threads and workers together
-# the concurrency of the application would be max `threads` * `workers`.
-# Workers do not work on JRuby or Windows (both of which do not support
-# processes).
-#
-# workers ENV.fetch("WEB_CONCURRENCY") { 2 }
-
-# Use the `preload_app!` method when specifying a `workers` number.
-# This directive tells Puma to first boot the application and load code
-# before forking the application. This takes advantage of Copy On Write
-# process behavior so workers use less memory.
-#
-# preload_app!
-
-# Allow puma to be restarted by `rails restart` command.
-plugin :tmp_restart

services/config/routes.rb

@@ -1,3 +0,0 @@
-Rails.application.routes.draw do
-  # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
-end

services/db/migrate/20221115164901_setup.rb

@@ -1,39 +0,0 @@
-class Setup < ActiveRecord::Migration[6.1]
-  def change
-    enable_extension 'uuid-ossp'
-    enable_extension 'pgcrypto'
-
-    create_table :senders, id: :string do |t|
-      t.timestamps
-    end
-
-    create_table :recipients, id: :string do |t|
-      t.string :verification_status, default: 'unverified', nullable: false
-      t.datetime :last_verified_at, nullable: true
-      t.string :bounce_status , default: 'unknown'
-      t.datetime :bounce_status_changed_at, nullable: true
-      t.timestamps
-    end
-
-    create_table :received_mails, id: :uuid do |t|
-      t.string :sender_id, nullable: false
-      t.string :message_id, nullable: false
-      t.binary :body, nullable: false
-      t.string :delivery_status, default: 'queued', nullable: false
-      t.string :delivery_status_changed_at
-      t.timestamps
-    end
-
-    create_table :mail_recipients, id: false do |t|
-      t.uuid :received_mail_id
-      t.string :recipient_id
-      t.string :delivery_status, default: 'delivered', nullable: false
-      t.string :delivery_status_changed_at
-      t.timestamps
-    end
-
-    add_index :received_mails, :sender_id
-    add_index :received_mails, :message_id, unique: true
-    add_index :mail_recipients, %i[received_mail_id recipient_id], unique: true
-  end
-end

services/db/schema.rb

@@ -1,56 +0,0 @@
-# This file is auto-generated from the current state of the database. Instead
-# of editing this file, please use the migrations feature of Active Record to
-# incrementally modify your database, and then regenerate this schema definition.
-#
-# This file is the source Rails uses to define your schema when running `bin/rails
-# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
-# be faster and is potentially less error prone than running all of your
-# migrations from scratch. Old migrations may fail to apply correctly if those
-# migrations use external dependencies or application code.
-#
-# It's strongly recommended that you check this file into your version control system.
-
-ActiveRecord::Schema.define(version: 2022_11_15_164901) do
-
-  # These are extensions that must be enabled in order to support this database
-  enable_extension "pgcrypto"
-  enable_extension "plpgsql"
-  enable_extension "uuid-ossp"
-
-  create_table "mail_recipients", id: false, force: :cascade do |t|
-    t.uuid "received_mail_id"
-    t.string "recipient_id"
-    t.string "delivery_status", default: "delivered"
-    t.string "delivery_status_changed_at"
-    t.datetime "created_at", precision: 6, null: false
-    t.datetime "updated_at", precision: 6, null: false
-    t.index ["received_mail_id", "recipient_id"], name: "index_mail_recipients_on_received_mail_id_and_recipient_id", unique: true
-  end
-
-  create_table "received_mails", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
-    t.string "sender_id"
-    t.string "message_id"
-    t.binary "body"
-    t.string "delivery_status", default: "queued"
-    t.string "delivery_status_changed_at"
-    t.datetime "created_at", precision: 6, null: false
-    t.datetime "updated_at", precision: 6, null: false
-    t.index ["message_id"], name: "index_received_mails_on_message_id", unique: true
-    t.index ["sender_id"], name: "index_received_mails_on_sender_id"
-  end
-
-  create_table "recipients", id: :string, force: :cascade do |t|
-    t.string "verification_status", default: "unverified"
-    t.datetime "last_verified_at"
-    t.string "bounce_status", default: "unknown"
-    t.datetime "bounce_status_changed_at"
-    t.datetime "created_at", precision: 6, null: false
-    t.datetime "updated_at", precision: 6, null: false
-  end
-
-  create_table "senders", id: :string, force: :cascade do |t|
-    t.datetime "created_at", precision: 6, null: false
-    t.datetime "updated_at", precision: 6, null: false
-  end
-
-end

services/db/seeds.rb

@@ -1,7 +0,0 @@
-# This file should contain all the record creation needed to seed the database with its default values.
-# The data can then be loaded with the bin/rails db:seed command (or created alongside the database with db:setup).
-#
-# Examples:
-#
-#   movies = Movie.create([{ name: 'Star Wars' }, { name: 'Lord of the Rings' }])
-#   Character.create(name: 'Luke', movie: movies.first)

services/lib/bettermail/consumer.rb

@@ -1,63 +0,0 @@
-# frozen_string_literal: true
-
-require 'mail'
-require 'bunny'
-
-# in module for neatness
-module Bettermail
-  # The General purpose consumer
-  class Consumer
-    def initialize
-    end
-
-    def default_smtp_settings
-      {
-        address: ENV['DEFAULT_SMTP_HOST'],
-        port: ENV['DEFAULT_SMTP_PORT'],
-        user_name: ENV['DEFAULT_SMTP_UID'],
-        password: ENV['DEFAULT_SMTP_PWD'],
-        enable_starttls_auto: true,
-        authentication: 'plain',
-      }
-    end
-
-
-
-    def start
-      begin
-        puts ' [*] Waiting for messages. To exit press CTRL+C'
-        new_mail_queue = bunny_channel.queue(ENV['RABBIT_MAIL_QUEUE'])
-        new_mail_queue.subscribe(block: true) do |_delivery_info, _properties, body|
-          instructions = JSON.parse(body)
-          recipient = Recipient.create_or_find_by(id: instructions["recipient"])
-          email = ReceivedMail.find_by(message_id: instructions["message"])
-          recipient.emails.create(received_mail: email, delivery_status: 'queued')
-        end
-        sns_queue = bunny_channel.queue(ENV['RABBIT_SNS_QUEUE'])
-        sns_queue.subscribe(block: true) do |_delivery_info, _properties, body|
-          puts " [x] Received #{_delivery_info}"
-        end
-      rescue Interrupt => _
-        stop
-      end
-    end
-
-    def send_mail(mail)
-      mail.delivery_method :smtp, default_smtp_settings
-      mail.deliver!
-    end
-
-    def stop
-      @bunny_conn&.close
-    end
-
-    def bunny_channel
-      if @bunny_channel.nil?
-        @bunny_conn = Bunny.new
-        @bunny_conn.start
-        @bunny_channel = @bunny_conn.create_channel
-      end
-      @bunny_channel
-    end
-  end
-end

services/lib/bettermail/proxy.rb

@@ -1,79 +0,0 @@
-# frozen_string_literal: true
-
-require 'midi-smtp-server'
-require 'mail'
-require 'bunny'
-require 'securerandom'
-
-# in module for neatness
-module Bettermail
-  # The SMTPProxy
-  class Proxy < MidiSmtpServer::Smtpd
-
-    def stop(wait_seconds_before_close: nil, gracefully: nil)
-      super()
-      @bunny_conn&.close
-    end
-
-    def bunny
-      if @bunny.nil?
-        @bunny_conn = Bunny.new
-        @bunny_conn.start
-        ch = @bunny_conn.create_channel
-        ch.direct(ENV['RABBIT_CHANNEL'])
-        ch.queue(ENV['RABBIT_MAIL_QUEUE'])
-        @bunny = ch.default_exchange
-      end
-      @bunny
-    end
-
-    # update local welcome and helo response
-    def on_connect_event(ctx)
-      ctx[:server][:local_response] = 'Client connected'
-      ctx[:server][:helo_response] = 'Welcome to the BetterMail proxy - an SMTP drop in replacement'
-    end
-
-    def on_message_data_headers_event(ctx)
-      # check and append all headers
-      ctx[:message][:data] << "X-bettermail: Received by proxy at #{Time.now}" << ctx[:message][:crlf]
-    end
-
-    # check the authentication
-    # if any value returned, that will be used for ongoing processing
-    # otherwise the original value will be used for authorization_id
-    def on_auth_event(ctx, authorization_id, authentication_id, authentication)
-      # to proceed this test use commands ...
-      # auth plain
-      # > AGFkbWluaXN0cmF0b3IAcGFzc3dvcmQ=
-      # auth login
-      # > YWRtaW5pc3RyYXRvcg==
-      # > cGFzc3dvcmQ=
-      # if authorization_id == '' && authentication_id == 'administrator' && authentication == 'password'
-      #   # yes
-      #   return 'supervisor'
-      # end
-      # # otherwise exit with authentication exception
-      # raise MidiSmtpServer::Smtpd535Exception
-      logger.debug("Authenticated id: #{authentication_id} with authentication: #{authentication} from: #{ctx[:server][:remote_ip]}:#{ctx[:server][:remote_port]}")
-      authentication_id
-    end
-
-    def save_mail(ctx, sender)
-      mail = Mail.read_from_string(ctx[:message][:data])
-      sender = Sender.create_or_find_by(id: sender)
-      message_id = "#{SecureRandom.uuid}@bettermail.wizewerx.tech"
-      saved_mail = sender.sent_mails.create(message_id: message_id, body: mail.to_s)
-      message_id
-    end
-
-    def on_mail_from_event(ctx, mail_from_data)
-      # tag the message here OR write it once to the database
-      ctx[:message][:message_id] = save_mail(ctx, mail_from_data)
-    end
-
-    # simple rewrite and return value
-    def on_rcpt_to_event(ctx, data)
-      bunny.publish({message: ctx[:message][:message_id], recipient: data}.to_json, :headers => { }, :routing_key => ENV["RABBIT_MAIL_QUEUE"])
-    end
-  end
-end

services/lib/tasks/consumer.rake

@@ -1,46 +0,0 @@
-namespace :consumer do
-  task start: :environment do
-    service_name = 'BetterMail::Consumer'
-    # Create a new server instance for listening at localhost interfaces 127.0.0.1:2525
-    # and accepting a maximum of 4 simultaneous connections per default
-    service = Bettermail::Consumer.new
-
-    # save flag for Ctrl-C pressed
-    flag_status_ctrl_c_pressed = false
-
-    # try to gracefully shutdown on Ctrl-C
-    trap('INT') do
-      # print an empty line right after ^C
-      puts
-      # notify flag about Ctrl-C was pressed
-      flag_status_ctrl_c_pressed = true
-      # signal exit to app
-      exit 0
-    end
-
-    # Output for debug
-    puts("Starting #{service_name}")
-
-    # setup exit code
-    at_exit do
-      # check to shutdown connection
-      if service
-        # Output for debug
-        puts('Ctrl-C interrupted, exit now...') if flag_status_ctrl_c_pressed
-        # info about shutdown
-        puts("Shutdown #{service_name}...")
-        # stop all threads and connections gracefully
-        service.stop
-      end
-
-      # Output for debug
-      puts "#{service_name} stopped!"
-    end
-
-    # Start the server
-    service.start
-
-    # Run on server forever
-    service.join
-  end
-end

services/lib/tasks/proxy.rake

@@ -1,58 +0,0 @@
-namespace :proxy do
-  task start: :environment do
-    # Create a new server instance for listening at localhost interfaces 127.0.0.1:2525
-    # and accepting a maximum of 4 simultaneous connections per default
-    service = Bettermail::Proxy.new(
-      ports: ENV['PROXY_PORTS'],
-      hosts: ENV['PROXY_HOSTS'],
-      max_processings: 10,
-      auth_mode: :AUTH_REQUIRED,
-      tls_mode: :TLS_REQUIRED,
-      tls_cert_path: './ssl/cert.pem',
-      tls_key_path: './ssl/key.pem'
-    )
-
-    service_name = 'BetterMail::SMTPProxy'
-    # Create a new server instance for listening at localhost interfaces 127.0.0.1:2525
-    # and accepting a maximum of 4 simultaneous connections per default
-
-    # save flag for Ctrl-C pressed
-    flag_status_ctrl_c_pressed = false
-
-    # try to gracefully shutdown on Ctrl-C
-    trap('INT') do
-      # print an empty line right after ^C
-      puts
-      # notify flag about Ctrl-C was pressed
-      flag_status_ctrl_c_pressed = true
-      # signal exit to app
-      exit(0)
-    end
-
-    # Output for debug
-    puts("Starting #{service_name}")
-
-    # setup exit code
-    at_exit do
-      # check to shutdown connection
-      if service
-        # Output for debug
-        puts('Ctrl-C interrupted, exit now...') if flag_status_ctrl_c_pressed
-        # info about shutdown
-        puts("Shutdown #{service_name}...")
-        # stop all threads and connections gracefully
-        service.stop
-      end
-
-      # Output for debug
-      puts "#{service_name} stopped!"
-    end
-
-    # Start the server
-    service.start
-
-    # Run on server forever
-    service.join
-  end
-end
-

tests/.ruby-gemset

@@ -1 +0,0 @@
-bettermail_tests

tests/test_sending_emails.rb

@@ -1,31 +0,0 @@
-# frozen_string_literal: true
-
-require 'mail'
-require 'bunny'
-require 'securerandom'
-
-@default_smtp_settings = {
-      address: 'localhost',
-      port: '2025',
-      user_name: 'hello',
-      password: 'world',
-      enable_starttls_auto: true,
-      authentication: 'plain',
-      openssl_verify_mode: 'none'
-    }
-
-def send_mail(index)
-  mail = Mail.new(
-    from: "test-#{index}-#{SecureRandom.uuid}@thefactory.local",
-    to: "#{SecureRandom.uuid}@acme.local",
-    cc: "cc-#{SecureRandom.uuid}@acme.local",
-    bcc: "bcc-#{SecureRandom.uuid}@acme.local",
-    subject: "Testing #{index}",
-  )
-  mail.delivery_method :smtp, @default_smtp_settings
-  mail.deliver!
-end
-
-number_of_emails = ARGV[0] || 1
-
-send_mail number_of_emails