Email server configuration (#246)

Co-authored-by: riggraz <riccardo.graziosi97@gmail.com>

app/mailers/application_mailer.rb

@@ -1,5 +1,15 @@
 class ApplicationMailer < ActionMailer::Base
-  default from: "notifications@astuto.io"
   layout 'mailer'
   helper :application
+
+  after_action :set_mail_from_for_multitenancy
+
+  private
+  
+    def set_mail_from_for_multitenancy
+      if Rails.application.multi_tenancy?
+        from = "#{Current.tenant_or_raise!.site_name} <#{ENV.fetch('EMAIL_MAIL_FROM', 'notifications@astuto.io')}>"
+        mail.from = from
+      end
+    end
 end

config/environments/development.rb

@@ -37,6 +37,26 @@ Rails.application.configure do
     config.cache_store = :null_store
   end
 
+  if ENV['EMAIL_DELIVERY_METHOD'] == "smtp"
+    config.action_mailer.delivery_method = :smtp
+    config.action_mailer.smtp_settings = {
+      address:              ENV['EMAIL_SMTP_HOST'],
+      port:                 ENV.fetch("EMAIL_SMTP_PORT") { 25 },
+      domain:               ENV["EMAIL_SMTP_HELO_DOMAIN"],
+      user_name:            ENV.fetch("EMAIL_SMTP_USER"),
+      password:             ENV.fetch("EMAIL_SMTP_PASS"),
+      authentication:       ENV.fetch("EMAIL_SMTP_AUTH", "plain"),
+      enable_starttls_auto: ActiveModel::Type::Boolean.new.cast(ENV.fetch("EMAIL_SMTP_STARTTLS_AUTO", "true")),
+      openssl_verify_mode:  ENV["EMAIL_SMTP_OPENSSL_VERIFY_MODE"],
+      tls:                  ENV["EMAIL_SMTP_TLS"]
+    }
+  end
+
+  config.action_mailer.default_options = {
+    from: ENV.fetch("EMAIL_MAIL_FROM", "Astuto <notifications@astuto.io>"),
+    reply_to: ENV.fetch("EMAIL_MAIL_REPLY_TO", ENV.fetch("EMAIL_MAIL_FROM", "Astuto <notifications@astuto.io>"))
+  }
+
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local
 

config/environments/production.rb

@@ -66,6 +66,28 @@ Rails.application.configure do
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
   config.action_mailer.raise_delivery_errors = false
 
+  if ENV['EMAIL_DELIVERY_METHOD'] == "smtp"
+    config.action_mailer.delivery_method = :smtp
+    config.action_mailer.smtp_settings = {
+      address:              ENV['EMAIL_SMTP_HOST'],
+      port:                 ENV.fetch("EMAIL_SMTP_PORT") { 25 },
+      domain:               ENV["EMAIL_SMTP_HELO_DOMAIN"],
+      user_name:            ENV.fetch("EMAIL_SMTP_USER"),
+      password:             ENV.fetch("EMAIL_SMTP_PASS"),
+      authentication:       ENV.fetch("EMAIL_SMTP_AUTH", "plain"),
+      enable_starttls_auto: ActiveModel::Type::Boolean.new.cast(ENV.fetch("EMAIL_SMTP_STARTTLS_AUTO", "true")),
+      openssl_verify_mode:  ENV["EMAIL_SMTP_OPENSSL_VERIFY_MODE"],
+      tls:                  ENV["EMAIL_SMTP_TLS"]
+    }
+  end
+
+  if ENV['EMAIL_CONFIRMATION']
+    config.action_mailer.default_options = {
+      from: ENV.fetch("EMAIL_MAIL_FROM", "Astuto <notifications@astuto.io>"),
+    reply_to: ENV.fetch("EMAIL_MAIL_REPLY_TO", ENV.fetch("EMAIL_MAIL_FROM", "Astuto <notifications@astuto.io>"))
+    }
+  end
+
   # 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

config/environments/test.rb

@@ -40,6 +40,11 @@ Rails.application.configure do
 
   config.action_mailer.perform_caching = false
 
+  config.action_mailer.default_options = {
+    from: "notifications@astuto.io",
+    reply_to: "notifications@astuto.io"
+  }
+
   # Tell Action Mailer not to deliver emails to the real world.
   # The :test delivery method accumulates sent emails in the
   # ActionMailer::Base.deliveries array.

config/initializers/devise.rb

@@ -18,7 +18,7 @@ Devise.setup do |config|
   # Configure the e-mail address which will be shown in Devise::Mailer,
   # note that it will be overwritten if you use your own mailer class
   # with default "from" parameter.
-  config.mailer_sender = 'notifications@astuto.io'
+  config.mailer_sender = ''
 
   # Configure the class responsible to send e-mails.
   # config.mailer = 'Devise::Mailer'