chore: Upgrade to Ruby 3.2.1 & Rails 6.0

* chore: upgrade to rails 6.0

* chore: upgrade ruby to 3.2.1

* chore: upgrade bundler

* chore: upgrade execjs

* chore: upgrade to rails 6.1

* chore: switch to sentry-ruby from raven

* chore: add extra platforms to gemfile

.ruby-version

@@ -1 +1,2 @@
-2.7.7
+3.2.1
+

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.7.7-bullseye AS base
+FROM ruby:3.2.1-bullseye AS base
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN apt-get update \
@@ -31,7 +31,7 @@ RUN mkdir -p /opt/postal/app /opt/postal/config
 WORKDIR /opt/postal/app
 
 # Install bundler
-RUN gem install bundler -v 2.4.7 --no-doc
+RUN gem install bundler -v 2.4.9 --no-doc
 
 # Install the latest and active gem dependencies and re-run
 # the appropriate commands to handle installs.

Gemfile

@@ -1,5 +1,5 @@
 source "https://rubygems.org"
-gem "authie", "~> 3.0"
+gem "authie"
 gem "autoprefixer-rails"
 gem "basic_ssl"
 gem "bcrypt"
@@ -15,25 +15,27 @@ gem "gelf"
 gem "haml"
 gem "hashie"
 gem "highline", require: false
+gem "execjs", '~> 2.7', "< 2.8"
 gem "jwt"
 gem "kaminari"
-gem "mail", git: "https://github.com/mikel/mail.git", branch: "2-7-stable"
+gem "mail"
 gem "moonrope"
 gem "mysql2"
 gem "nifty-utils"
 gem "nilify_blanks"
 gem "nio4r"
 gem "puma"
-gem "rails", "= 5.2.8.1"
+gem "rails", "= 6.1.7.3"
 gem "resolv", "~> 0.2.1"
 gem "secure_headers"
-gem "sentry-raven"
+gem 'sentry-rails'
+gem 'sentry-ruby'
 gem "turbolinks", "~> 5"
 
 group :development, :assets do
-  gem "coffee-rails", "~> 4.2"
+  gem "coffee-rails", "~> 5.0"
   gem "jquery-rails"
-  gem "sass-rails", "~> 5.0"
+  gem "sass-rails"
   gem "uglifier", ">= 1.3.0"
 end
 

Gemfile.lock

@@ -1,91 +1,108 @@
-GIT
-  remote: https://github.com/mikel/mail.git
-  revision: 873aa3876efb372b9a0bb7319fe60a994cedfd05
-  branch: 2-7-stable
-  specs:
-    mail (2.7.2.edge)
-      mini_mime (>= 0.1.1)
-
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.2.8.1)
+    actioncable (6.1.7.3)
-      actionpack (= 5.2.8.1)
+      actionpack (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.8.1)
+    actionmailbox (6.1.7.3)
-      actionpack (= 5.2.8.1)
+      actionpack (= 6.1.7.3)
-      actionview (= 5.2.8.1)
+      activejob (= 6.1.7.3)
-      activejob (= 5.2.8.1)
+      activerecord (= 6.1.7.3)
+      activestorage (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      mail (>= 2.7.1)
+    actionmailer (6.1.7.3)
+      actionpack (= 6.1.7.3)
+      actionview (= 6.1.7.3)
+      activejob (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.8.1)
+    actionpack (6.1.7.3)
-      actionview (= 5.2.8.1)
+      actionview (= 6.1.7.3)
-      activesupport (= 5.2.8.1)
+      activesupport (= 6.1.7.3)
-      rack (~> 2.0, >= 2.0.8)
+      rack (~> 2.0, >= 2.0.9)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actionview (5.2.8.1)
+    actiontext (6.1.7.3)
-      activesupport (= 5.2.8.1)
+      actionpack (= 6.1.7.3)
+      activerecord (= 6.1.7.3)
+      activestorage (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      nokogiri (>= 1.8.5)
+    actionview (6.1.7.3)
+      activesupport (= 6.1.7.3)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (5.2.8.1)
+    activejob (6.1.7.3)
-      activesupport (= 5.2.8.1)
+      activesupport (= 6.1.7.3)
       globalid (>= 0.3.6)
-    activemodel (5.2.8.1)
+    activemodel (6.1.7.3)
-      activesupport (= 5.2.8.1)
+      activesupport (= 6.1.7.3)
-    activerecord (5.2.8.1)
+    activerecord (6.1.7.3)
-      activemodel (= 5.2.8.1)
+      activemodel (= 6.1.7.3)
-      activesupport (= 5.2.8.1)
+      activesupport (= 6.1.7.3)
-      arel (>= 9.0)
+    activestorage (6.1.7.3)
-    activestorage (5.2.8.1)
+      actionpack (= 6.1.7.3)
-      actionpack (= 5.2.8.1)
+      activejob (= 6.1.7.3)
-      activerecord (= 5.2.8.1)
+      activerecord (= 6.1.7.3)
-      marcel (~> 1.0.0)
+      activesupport (= 6.1.7.3)
-    activesupport (5.2.8.1)
+      marcel (~> 1.0)
+      mini_mime (>= 1.1.0)
+    activesupport (6.1.7.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
+      i18n (>= 1.6, < 2)
-      minitest (~> 5.1)
+      minitest (>= 5.1)
-      tzinfo (~> 1.1)
+      tzinfo (~> 2.0)
-    amq-protocol (2.3.0)
+      zeitwerk (~> 2.3)
-    annotate (2.7.4)
+    amq-protocol (2.3.2)
-      activerecord (>= 3.2, < 6.0)
+    annotate (3.2.0)
-      rake (>= 10.4, < 13.0)
+      activerecord (>= 3.2, < 8.0)
-    arel (9.0.0)
+      rake (>= 10.4, < 14.0)
     ast (2.4.2)
-    authie (3.3.1)
+    authie (3.4.0)
       secure_random_string
-    autoprefixer-rails (9.1.3)
+    autoprefixer-rails (10.4.13.0)
-      execjs
+      execjs (~> 2)
     basic_ssl (1.0.3)
-    bcrypt (3.1.12)
+    bcrypt (3.1.18)
     builder (3.2.4)
-    bunny (2.14.4)
+    bunny (2.20.3)
-      amq-protocol (~> 2.3, >= 2.3.0)
+      amq-protocol (~> 2.3, >= 2.3.1)
-    byebug (10.0.2)
+      sorted_set (~> 1, >= 1.0.2)
-    changey (1.0.0)
+    byebug (11.1.3)
-      activerecord (>= 4.2, < 6)
+    changey (1.1.0)
+      activerecord (>= 4.2, < 7)
     chronic (0.10.2)
-    clockwork (2.0.3)
+    clockwork (3.0.2)
+      activesupport
       tzinfo
-    coffee-rails (4.2.2)
+    coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0)
+      railties (>= 5.2.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.2.0)
+    concurrent-ruby (1.2.2)
     crass (1.0.6)
-    database_cleaner (1.7.0)
+    database_cleaner (2.0.2)
-    deep_merge (1.2.1)
+      database_cleaner-active_record (>= 2, < 3)
-    diff-lcs (1.3)
+    database_cleaner-active_record (2.1.0)
-    dotenv (2.7.6)
+      activerecord (>= 5.a)
-    dotenv-rails (2.7.6)
+      database_cleaner-core (~> 2.0.0)
-      dotenv (= 2.7.6)
+    database_cleaner-core (2.0.1)
+    date (3.3.3)
+    deep_merge (1.2.2)
+    diff-lcs (1.5.0)
+    dotenv (2.8.1)
+    dotenv-rails (2.8.1)
+      dotenv (= 2.8.1)
       railties (>= 3.2)
     dynamic_form (1.1.4)
     encrypto_signo (1.0.0)
@@ -96,124 +113,139 @@ GEM
     factory_bot_rails (4.11.1)
       factory_bot (~> 4.11.1)
       railties (>= 3.0.0)
-    faraday (0.15.2)
-      multipart-post (>= 1.2, < 3)
     ffi (1.15.5)
-    foreman (0.85.0)
+    foreman (0.87.2)
-      thor (~> 0.19.1)
+    gelf (3.1.0)
-    gelf (3.0.0)
       json
     globalid (1.1.0)
       activesupport (>= 5.0)
-    haml (5.1.2)
+    haml (6.1.1)
-      temple (>= 0.8.0)
+      temple (>= 0.8.2)
+      thor
       tilt
-    hashie (3.6.0)
+    hashie (5.0.0)
-    highline (2.0.0)
+    highline (2.1.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jquery-rails (4.3.3)
+    jquery-rails (4.5.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (2.5.1)
+    json (2.6.3)
-    jwt (2.1.0)
+    jwt (2.7.0)
-    kaminari (1.2.1)
+    kaminari (1.2.2)
       activesupport (>= 4.1.0)
-      kaminari-actionview (= 1.2.1)
+      kaminari-actionview (= 1.2.2)
-      kaminari-activerecord (= 1.2.1)
+      kaminari-activerecord (= 1.2.2)
-      kaminari-core (= 1.2.1)
+      kaminari-core (= 1.2.2)
-    kaminari-actionview (1.2.1)
+    kaminari-actionview (1.2.2)
       actionview
-      kaminari-core (= 1.2.1)
+      kaminari-core (= 1.2.2)
-    kaminari-activerecord (1.2.1)
+    kaminari-activerecord (1.2.2)
       activerecord
-      kaminari-core (= 1.2.1)
+      kaminari-core (= 1.2.2)
-    kaminari-core (1.2.1)
+    kaminari-core (1.2.2)
     loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
     marcel (1.0.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
     mini_portile2 (2.8.1)
-    minitest (5.17.0)
+    minitest (5.18.0)
     moonrope (2.0.2)
       deep_merge (~> 1.0)
       json
       rack (>= 1.4)
-    multipart-post (2.0.0)
+    mysql2 (0.5.5)
-    mysql2 (0.5.3)
+    net-imap (0.3.4)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.1)
+      timeout
+    net-smtp (0.3.3)
+      net-protocol
     nifty-utils (1.1.7)
-    nilify_blanks (1.3.0)
+    nilify_blanks (1.4.0)
-      activerecord (>= 3.0.0)
+      activerecord (>= 4.0.0)
-      activesupport (>= 3.0.0)
+      activesupport (>= 4.0.0)
     nio4r (2.5.8)
     nokogiri (1.14.2)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
+    nokogiri (1.14.2-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.14.2-x86_64-linux)
+      racc (~> 1.4)
     parallel (1.22.1)
     parser (3.2.1.1)
       ast (~> 2.4.1)
-    puma (6.1.0)
+    puma (6.1.1)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)
-    rack-test (2.0.2)
+    rack-test (2.1.0)
       rack (>= 1.3)
-    rails (5.2.8.1)
+    rails (6.1.7.3)
-      actioncable (= 5.2.8.1)
+      actioncable (= 6.1.7.3)
-      actionmailer (= 5.2.8.1)
+      actionmailbox (= 6.1.7.3)
-      actionpack (= 5.2.8.1)
+      actionmailer (= 6.1.7.3)
-      actionview (= 5.2.8.1)
+      actionpack (= 6.1.7.3)
-      activejob (= 5.2.8.1)
+      actiontext (= 6.1.7.3)
-      activemodel (= 5.2.8.1)
+      actionview (= 6.1.7.3)
-      activerecord (= 5.2.8.1)
+      activejob (= 6.1.7.3)
-      activestorage (= 5.2.8.1)
+      activemodel (= 6.1.7.3)
-      activesupport (= 5.2.8.1)
+      activerecord (= 6.1.7.3)
-      bundler (>= 1.3.0)
+      activestorage (= 6.1.7.3)
-      railties (= 5.2.8.1)
+      activesupport (= 6.1.7.3)
+      bundler (>= 1.15.0)
+      railties (= 6.1.7.3)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.5.0)
       loofah (~> 2.19, >= 2.19.1)
-    railties (5.2.8.1)
+    railties (6.1.7.3)
-      actionpack (= 5.2.8.1)
+      actionpack (= 6.1.7.3)
-      activesupport (= 5.2.8.1)
+      activesupport (= 6.1.7.3)
       method_source
-      rake (>= 0.8.7)
+      rake (>= 12.2)
-      thor (>= 0.19.0, < 2.0)
+      thor (~> 1.0)
     rainbow (3.1.1)
-    rake (12.3.3)
+    rake (13.0.6)
-    rb-fsevent (0.10.3)
+    rbtree (0.4.6)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
     regexp_parser (2.7.0)
-    resolv (0.2.1)
+    resolv (0.2.2)
     rexml (3.2.5)
-    rspec (3.8.0)
+    rspec (3.12.0)
-      rspec-core (~> 3.8.0)
+      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.8.0)
+      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.8.0)
+      rspec-mocks (~> 3.12.0)
-    rspec-core (3.8.0)
+    rspec-core (3.12.1)
-      rspec-support (~> 3.8.0)
+      rspec-support (~> 3.12.0)
-    rspec-expectations (3.8.1)
+    rspec-expectations (3.12.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
+      rspec-support (~> 3.12.0)
-    rspec-mocks (3.8.0)
+    rspec-mocks (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
+      rspec-support (~> 3.12.0)
-    rspec-rails (3.8.0)
+    rspec-rails (6.0.1)
-      actionpack (>= 3.0)
+      actionpack (>= 6.1)
-      activesupport (>= 3.0)
+      activesupport (>= 6.1)
-      railties (>= 3.0)
+      railties (>= 6.1)
-      rspec-core (~> 3.8.0)
+      rspec-core (~> 3.11)
-      rspec-expectations (~> 3.8.0)
+      rspec-expectations (~> 3.11)
-      rspec-mocks (~> 3.8.0)
+      rspec-mocks (~> 3.11)
-      rspec-support (~> 3.8.0)
+      rspec-support (~> 3.11)
-    rspec-support (3.8.0)
+    rspec-support (3.12.0)
     rubocop (1.48.1)
       json (~> 2.3)
       parallel (~> 1.10)
@@ -231,50 +263,59 @@ GEM
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
     ruby-progressbar (1.13.0)
-    sass (3.5.7)
+    sass-rails (6.0.0)
-      sass-listen (~> 4.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
-    sass-listen (4.0.0)
+    sassc (2.4.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
+      ffi (~> 1.9)
-      rb-inotify (~> 0.9, >= 0.9.7)
+    sassc-rails (2.1.2)
-    sass-rails (5.0.7)
+      railties (>= 4.0.0)
-      railties (>= 4.0.0, < 6)
+      sassc (>= 2.0)
-      sass (~> 3.1)
+      sprockets (> 3.0)
-      sprockets (>= 2.8, < 4.0)
+      sprockets-rails
-      sprockets-rails (>= 2.0, < 4.0)
+      tilt
-      tilt (>= 1.1, < 3)
+    secure_headers (6.5.0)
-    secure_headers (6.3.0)
     secure_random_string (1.0.0)
-    sentry-raven (2.7.4)
+    sentry-rails (5.8.0)
-      faraday (>= 0.7.6, < 1.0)
+      railties (>= 5.0)
-    sprockets (3.7.2)
+      sentry-ruby (~> 5.8.0)
+    sentry-ruby (5.8.0)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+    set (1.0.3)
+    sorted_set (1.0.3)
+      rbtree
+      set (~> 1.0)
+    sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
+      rack (>= 2.2.4, < 4)
     sprockets-rails (3.4.2)
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    temple (0.8.2)
+    temple (0.10.0)
-    thor (0.19.4)
+    thor (1.2.1)
-    thread_safe (0.3.6)
+    tilt (2.1.0)
-    tilt (2.0.10)
+    timeout (0.3.2)
-    turbolinks (5.2.0)
+    turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.11)
+    tzinfo (2.0.6)
-      thread_safe (~> 0.1)
+      concurrent-ruby (~> 1.0)
-    uglifier (4.1.18)
+    uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (2.4.2)
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
+    zeitwerk (2.6.7)
 
 PLATFORMS
+  arm64-darwin-22
   ruby
+  x86_64-linux
 
 DEPENDENCIES
   annotate
-  authie (~> 3.0)
+  authie
   autoprefixer-rails
   basic_ssl
   bcrypt
@@ -283,11 +324,12 @@ DEPENDENCIES
   changey
   chronic
   clockwork
-  coffee-rails (~> 4.2)
+  coffee-rails (~> 5.0)
   database_cleaner
   dotenv-rails
   dynamic_form
   encrypto_signo
+  execjs (~> 2.7, < 2.8)
   factory_bot_rails (~> 4.0)
   foreman
   gelf
@@ -297,24 +339,25 @@ DEPENDENCIES
   jquery-rails
   jwt
   kaminari
-  mail!
+  mail
   moonrope
   mysql2
   nifty-utils
   nilify_blanks
   nio4r
   puma
-  rails (= 5.2.8.1)
+  rails (= 6.1.7.3)
   resolv (~> 0.2.1)
   rspec
   rspec-rails
   rubocop
   rubocop-rails
-  sass-rails (~> 5.0)
+  sass-rails
   secure_headers
-  sentry-raven
+  sentry-rails
+  sentry-ruby
   turbolinks (~> 5)
   uglifier (>= 1.3.0)
 
 BUNDLED WITH
-   2.4.7
+   2.4.9

app/assets/config/manifest.js

@@ -1,3 +1,5 @@
 //= link_tree ../images
 //= link_directory ../javascripts .js
 //= link_directory ../stylesheets .css
+//= link application/application.css
+//= link application/application.js

app/jobs/unqueue_message_job.rb

@@ -424,8 +424,8 @@ class UnqueueMessageJob < Postal::Job
             e.backtrace.each { |e| log("#{log_prefix} #{e}") }
             queued_message.retry_later
             log "#{log_prefix} Queued message was unlocked"
-            if defined?(Raven)
+            if defined?(Sentry)
-              Raven.capture_exception(e, extra: { job_id: self.id, server_id: queued_message.server_id, message_id: queued_message.message_id })
+              Sentry.capture_exception(e, extra: { job_id: self.id, server_id: queued_message.server_id, message_id: queued_message.message_id })
             end
             if queued_message.message
               queued_message.message.create_delivery("Error", details: "An internal error occurred while sending this message. This message will be retried automatically. If this persists, contact support for assistance.", output: "#{e.class}: #{e.message}", log_id: "J-#{self.id}")

app/models/address_endpoint.rb

@@ -19,7 +19,7 @@ class AddressEndpoint < ApplicationRecord
   has_many :routes, as: :endpoint
   has_many :additional_route_endpoints, dependent: :destroy, as: :endpoint
 
-  validates :address, presence: true, format: { with: /@/ }, uniqueness: { scope: [:server_id], message: "has already been added" }
+  validates :address, presence: true, format: { with: /@/ }, uniqueness: { scope: [:server_id], message: "has already been added", case_sensitive: false }
 
   before_destroy :update_routes
 

app/models/concerns/has_authentication.rb

@@ -1,5 +1,8 @@
-class User
+module HasAuthentication
 
+  extend ActiveSupport::Concern
+
+  included do
     has_secure_password
 
     validates :password, length: { minimum: 8, allow_blank: true }
@@ -10,14 +13,17 @@ class User
         self.password_reset_token_valid_until = nil
       end
     end
+  end
 
-  def self.authenticate(email_address, password)
+  class_methods do
+    def authenticate(email_address, password)
       user = where(email_address: email_address).first
       raise Postal::Errors::AuthenticationError, "InvalidEmailAddress" if user.nil?
       raise Postal::Errors::AuthenticationError, "InvalidPassword" unless user.authenticate(password)
 
       user
     end
+  end
 
   def authenticate_with_previous_password_first(unencrypted_password)
     if password_digest_changed?

app/models/concerns/has_dns_checks.rb

@@ -1,6 +1,6 @@
 require "resolv"
 
-class Domain
+module HasDNSChecks
 
   def dns_ok?
     spf_status == "OK" && dkim_status == "OK" && ["OK", "Missing"].include?(mx_status) && ["OK", "Missing"].include?(return_path_status)

app/models/credential.rb

@@ -23,7 +23,7 @@ class Credential < ApplicationRecord
 
   TYPES = ["SMTP", "API", "SMTP-IP"]
 
-  validates :key, presence: true, uniqueness: true
+  validates :key, presence: true, uniqueness: { case_sensitive: false }
   validates :type, inclusion: { in: TYPES }
   validates :name, presence: true
   validate :validate_key_cannot_be_changed

app/models/domain.rb

@@ -40,8 +40,7 @@ class Domain < ApplicationRecord
 
   include HasUUID
 
-  require_dependency "domain/dns_checks"
+  include HasDNSChecks
-  require_dependency "domain/dns_verification"
 
   VERIFICATION_EMAIL_ALIASES = ["webmaster", "postmaster", "admin", "administrator", "hostmaster"]
 
@@ -52,7 +51,7 @@ class Domain < ApplicationRecord
 
   VERIFICATION_METHODS = ["DNS", "Email"]
 
-  validates :name, presence: true, format: { with: /\A[a-z0-9\-.]*\z/ }, uniqueness: { scope: [:owner_type, :owner_id], message: "is already added" }
+  validates :name, presence: true, format: { with: /\A[a-z0-9\-.]*\z/ }, uniqueness: { case_sensitive: false, scope: [:owner_type, :owner_id], message: "is already added" }
   validates :verification_method, inclusion: { in: VERIFICATION_METHODS }
 
   random_string :dkim_identifier_string, type: :chars, length: 6, unique: true, upper_letters_only: true
@@ -138,6 +137,22 @@ class Domain < ApplicationRecord
     @resolver ||= Postal.config.general.use_local_ns_for_domains? ? Resolv::DNS.new : Resolv::DNS.new(nameserver: nameservers)
   end
 
+  def dns_verification_string
+    "#{Postal.config.dns.domain_verify_prefix} #{verification_token}"
+  end
+
+  def verify_with_dns
+    return false unless verification_method == "DNS"
+
+    result = resolver.getresources(name, Resolv::DNS::Resource::IN::TXT)
+    if result.map { |d| d.data.to_s.strip }.include?(dns_verification_string)
+      self.verified_at = Time.now
+      save
+    else
+      false
+    end
+  end
+
   private
 
   def get_nameservers

app/models/domain/dns_verification.rb

@@ -1,23 +0,0 @@
-require "resolv"
-
-class Domain
-
-  def dns_verification_string
-    "#{Postal.config.dns.domain_verify_prefix} #{verification_token}"
-  end
-
-  def verify_with_dns
-    return false unless verification_method == "DNS"
-
-    result = resolver.getresources(name, Resolv::DNS::Resource::IN::TXT)
-    if result.map { |d| d.data.to_s.strip }.include?(dns_verification_string)
-      self.verified_at = Time.now
-      save
-    else
-      false
-    end
-  end
-
-end
-
-# -*- SkipSchemaAnnotations

app/models/organization.rb

@@ -31,7 +31,7 @@ class Organization < ApplicationRecord
   include HasSoftDestroy
 
   validates :name, presence: true
-  validates :permalink, presence: true, format: { with: /\A[a-z0-9-]*\z/ }, uniqueness: true, exclusion: { in: RESERVED_PERMALINKS }
+  validates :permalink, presence: true, format: { with: /\A[a-z0-9-]*\z/ }, uniqueness: { case_sensitive: false }, exclusion: { in: RESERVED_PERMALINKS }
   validates :time_zone, presence: true
 
   default_value :time_zone, -> { "UTC" }

app/models/server.rb

@@ -72,9 +72,9 @@ class Server < ApplicationRecord
   default_value :spam_threshold, -> { Postal.config.general.default_spam_threshold }
   default_value :spam_failure_threshold, -> { Postal.config.general.default_spam_failure_threshold }
 
-  validates :name, presence: true, uniqueness: { scope: :organization_id }
+  validates :name, presence: true, uniqueness: { scope: :organization_id, case_sensitive: false }
   validates :mode, inclusion: { in: MODES }
-  validates :permalink, presence: true, uniqueness: { scope: :organization_id }, format: { with: /\A[a-z0-9-]*\z/ }, exclusion: { in: RESERVED_PERMALINKS }
+  validates :permalink, presence: true, uniqueness: { scope: :organization_id, case_sensitive: false }, format: { with: /\A[a-z0-9-]*\z/ }, exclusion: { in: RESERVED_PERMALINKS }
   validate :validate_ip_pool_belongs_to_organization
 
   before_validation(on: :create) do

app/models/track_domain.rb

@@ -27,8 +27,8 @@ class TrackDomain < ApplicationRecord
   belongs_to :server
   belongs_to :domain
 
-  validates :name, presence: true, format: { with: /\A[a-z0-9-]+\z/ }, uniqueness: { scope: :domain_id, message: "is already added" }
+  validates :name, presence: true, format: { with: /\A[a-z0-9-]+\z/ }, uniqueness: { scope: :domain_id, case_sensitive: false, message: "is already added" }
-  validates :domain_id, uniqueness: { scope: :server_id, message: "already has a track domain for this server" }
+  validates :domain_id, uniqueness: { scope: :server_id, case_sensitive: false, message: "already has a track domain for this server" }
   validate :validate_domain_belongs_to_server
 
   scope :ok, -> { where(dns_status: "OK") }

app/models/user.rb

@@ -27,11 +27,11 @@ class User < ApplicationRecord
 
   include HasUUID
 
-  require_dependency "user/authentication"
+  include HasAuthentication
 
   validates :first_name, presence: true
   validates :last_name, presence: true
-  validates :email_address, presence: true, uniqueness: true, format: { with: /@/, allow_blank: true }
+  validates :email_address, presence: true, uniqueness: { case_sensitive: false }, format: { with: /@/, allow_blank: true }
   validates :time_zone, presence: true
 
   default_value :time_zone, -> { "UTC" }

app/models/user_invite.rb

@@ -18,7 +18,7 @@ class UserInvite < ApplicationRecord
 
   include HasUUID
 
-  validates :email_address, presence: true, uniqueness: true, format: { with: /@/, allow_blank: true }
+  validates :email_address, presence: true, uniqueness: { case_sensitive: false }, format: { with: /@/, allow_blank: true }
 
   has_many :organization_users, dependent: :destroy, as: :user
   has_many :organizations, through: :organization_users

app/views/layouts/application.html.haml

@@ -58,4 +58,3 @@
               Powered by #{link_to "Postal", "https://postalserver.io", target: '_blank'} #{Postal.version}.
             %li= link_to "Documentation", "https://docs.postalserver.io", target: '_blank'
             %li= link_to "Ask for help", "https://discussions.postalserver.io", target: '_blank'
-

config/application.rb

@@ -15,6 +15,8 @@ Bundler.require(*Rails.groups)
 module Postal
   class Application < Rails::Application
 
+    config.load_defaults 6.0
+
     # Disable most generators
     config.generators do |g|
       g.orm             :active_record
@@ -36,5 +38,7 @@ module Postal
 
     config.logger = Postal.logger_for(:rails)
 
+    config.hosts << Postal.config.web.host
+
   end
 end

config/initializers/sentry.rb

@@ -1,14 +1,7 @@
 require "postal/config"
 
 if Postal.config.general&.exception_url
-  require "raven"
+  Sentry.init do |config|
-  Raven.configure do |config|
     config.dsn = Postal.config.general.exception_url
-    config.environments = ["production"]
-    if ENV["DEV_EXCEPTIONS"]
-      config.environments << "development"
-    end
-    config.silence_ready = true
-    config.tags = { process: ENV.fetch("PROC_NAME", nil) }
   end
 end

lib/postal/message_parser.rb

@@ -50,8 +50,8 @@ module Postal
     rescue StandardError => e
       raise if Rails.env.development?
 
-      if defined?(Raven)
+      if defined?(Sentry)
-        Raven.capture_exception(e)
+        Sentry.capture_exception(e)
       end
       @actioned = false
       @tracked_links = 0

lib/postal/smtp_sender.rb

@@ -197,8 +197,8 @@ module Postal
         safe_rset
       rescue StandardError => e
         log "#{e.class}: #{e.message}"
-        if defined?(Raven)
+        if defined?(Sentry)
-          Raven.capture_exception(e, extra: { log_id: @log_id, server_id: message.server.id, message_id: message.id })
+          Sentry.capture_exception(e, extra: { log_id: @log_id, server_id: message.server.id, message_id: message.id })
         end
         result.type = "SoftFail"
         result.retry = true

lib/postal/smtp_server/server.rb

@@ -113,8 +113,8 @@ module Postal
                 monitor.value = client
               rescue StandardError => e
                 # If something goes wrong, log as appropriate and disconnect the client
-                if defined?(Raven)
+                if defined?(Sentry)
-                  Raven.capture_exception(e, extra: { log_id: begin
+                  Sentry.capture_exception(e, extra: { log_id: begin
                     client.id
                   rescue StandardError
                     nil
@@ -227,8 +227,8 @@ module Postal
               rescue StandardError => e
                 # Something went wrong, log as appropriate
                 client_id = client ? client.id : "------"
-                if defined?(Raven)
+                if defined?(Sentry)
-                  Raven.capture_exception(e, extra: { log_id: begin
+                  Sentry.capture_exception(e, extra: { log_id: begin
                     client.id
                   rescue StandardError
                     nil

lib/postal/tracking_middleware.rb

@@ -44,7 +44,7 @@ module Postal
       rescue StandardError => e
         # Somethign else went wrong. We don't want to stop the image loading though because
         # this is our problem. Log this exception though.
-        Raven.capture_exception(e) if defined?(Raven)
+        Sentry.capture_exception(e) if defined?(Sentry)
       end
 
       source_image = request.params["src"]

lib/postal/worker.rb

@@ -69,8 +69,8 @@ module Postal
           e.backtrace.each do |line|
             logger.warn "[#{message['id']}]    " + line
           end
-          if defined?(Raven)
+          if defined?(Sentry)
-            Raven.capture_exception(e, extra: { job_id: message["id"] })
+            Sentry.capture_exception(e, extra: { job_id: message["id"] })
           end
         ensure
           logger.info "[#{message['id']}] Finished processing \e[34m#{message['class_name']}\e[0m job in #{Time.now - start_time}s"