diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 645ac2fe1a..1a51002664 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -810,12 +810,6 @@ Rails/ApplicationJob:
   Exclude:
     - 'app/jobs/report_job.rb'
 
-# Offense count: 1
-# This cop supports unsafe autocorrection (--autocorrect-all).
-Rails/ApplicationMailer:
-  Exclude:
-    - 'app/mailers/spree/base_mailer.rb'
-
 # Offense count: 5
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: NilOrEmpty, NotPresent, UnlessPresent.
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
new file mode 100644
index 0000000000..00a6a7dc6c
--- /dev/null
+++ b/app/mailers/application_mailer.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class ApplicationMailer < ActionMailer::Base
+  # Inline stylesheets
+  include Roadie::Rails::Automatic
+
+  helper TermsAndConditionsHelper
+
+  default from: -> { Spree::Config[:mails_from] }
+  layout 'mailer'
+
+  def money(amount)
+    Spree::Money.new(amount).to_s
+  end
+  helper_method :money
+
+  protected
+
+  def roadie_options
+    # This lets us specify assets using relative paths in email templates
+    super.merge(url_options: { host: URI(main_app.root_url).host })
+  end
+end
diff --git a/app/mailers/enterprise_mailer.rb b/app/mailers/enterprise_mailer.rb
index dd094c8de4..fa507cb67a 100644
--- a/app/mailers/enterprise_mailer.rb
+++ b/app/mailers/enterprise_mailer.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'devise/mailers/helpers'
-class EnterpriseMailer < Spree::BaseMailer
+class EnterpriseMailer < ApplicationMailer
   include Devise::Mailers::Helpers
   include I18nHelper
 
@@ -12,7 +12,6 @@ class EnterpriseMailer < Spree::BaseMailer
                   enterprise: @enterprise.name,
                   sitename: Spree::Config[:site_name])
       mail(to: enterprise.contact.email,
-           from: from_address,
            subject: subject)
     end
   end
@@ -20,12 +19,10 @@ class EnterpriseMailer < Spree::BaseMailer
   def manager_invitation(enterprise, user)
     @enterprise = enterprise
     @instance = Spree::Config[:site_name]
-    @instance_email = from_address
 
     I18n.with_locale valid_locale(@enterprise.owner) do
       subject = t('enterprise_mailer.invite_manager.subject', enterprise: @enterprise.name)
       mail(to: user.email,
-           from: from_address,
            subject: subject)
     end
   end
diff --git a/app/mailers/payment_mailer.rb b/app/mailers/payment_mailer.rb
index b1ba77124f..47eb4ae587 100644
--- a/app/mailers/payment_mailer.rb
+++ b/app/mailers/payment_mailer.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class PaymentMailer < Spree::BaseMailer
+class PaymentMailer < ApplicationMailer
   include I18nHelper
 
   def authorize_payment(payment)
@@ -8,7 +8,7 @@ class PaymentMailer < Spree::BaseMailer
     subject = I18n.t('spree.payment_mailer.authorize_payment.subject',
                      distributor: @payment.order.distributor.name)
     I18n.with_locale valid_locale(@payment.order.user) do
-      mail(to: payment.order.email, from: from_address, subject: subject)
+      mail(to: payment.order.email, subject: subject)
     end
   end
 
@@ -19,7 +19,6 @@ class PaymentMailer < Spree::BaseMailer
                      order: @payment.order)
     I18n.with_locale valid_locale(shop_owner) do
       mail(to: shop_owner.email,
-           from: from_address,
            subject: subject)
     end
   end
diff --git a/app/mailers/producer_mailer.rb b/app/mailers/producer_mailer.rb
index 18becd43c6..1d8a473454 100644
--- a/app/mailers/producer_mailer.rb
+++ b/app/mailers/producer_mailer.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class ProducerMailer < Spree::BaseMailer
+class ProducerMailer < ApplicationMailer
   include I18nHelper
 
   def order_cycle_report(producer, order_cycle)
@@ -14,7 +14,6 @@ class ProducerMailer < Spree::BaseMailer
 
       mail(
         to: @producer.contact.email,
-        from: from_address,
         subject: subject,
         reply_to: @coordinator.contact.email,
         cc: @coordinator.contact.email
diff --git a/app/mailers/spree/base_mailer.rb b/app/mailers/spree/base_mailer.rb
deleted file mode 100644
index 2057841cc9..0000000000
--- a/app/mailers/spree/base_mailer.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-# frozen_string_literal: true
-
-module Spree
-  class BaseMailer < ActionMailer::Base
-    # Inline stylesheets
-    include Roadie::Rails::Automatic
-
-    helper TermsAndConditionsHelper
-
-    layout 'mailer'
-
-    def from_address
-      Spree::Config[:mails_from]
-    end
-
-    def money(amount)
-      Spree::Money.new(amount).to_s
-    end
-    helper_method :money
-
-    protected
-
-    def roadie_options
-      # This lets us specify assets using relative paths in email templates
-      super.merge(url_options: { host: URI(main_app.root_url).host })
-    end
-  end
-end
diff --git a/app/mailers/spree/order_mailer.rb b/app/mailers/spree/order_mailer.rb
index 889a419b5e..57f8766098 100644
--- a/app/mailers/spree/order_mailer.rb
+++ b/app/mailers/spree/order_mailer.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 module Spree
-  class OrderMailer < BaseMailer
+  class OrderMailer < ApplicationMailer
     helper 'checkout'
     helper SpreeCurrencyHelper
     helper Spree::PaymentMethodsHelper
@@ -13,7 +13,6 @@ module Spree
       @order = find_order(order_or_order_id)
       I18n.with_locale valid_locale(@order.user) do
         mail(to: @order.email,
-             from: from_address,
              subject: mail_subject(t('spree.order_mailer.cancel_email.subject'), resend))
       end
     end
@@ -23,7 +22,6 @@ module Spree
       I18n.with_locale valid_locale(@order.distributor.owner) do
         subject = I18n.t('spree.order_mailer.cancel_email_for_shop.subject')
         mail(to: @order.distributor.contact.email,
-             from: from_address,
              subject: subject)
       end
     end
@@ -33,7 +31,6 @@ module Spree
       I18n.with_locale valid_locale(@order.user) do
         subject = mail_subject(t('spree.order_mailer.confirm_email.subject'), resend)
         mail(to: @order.email,
-             from: from_address,
              subject: subject,
              reply_to: @order.distributor.contact.email)
       end
@@ -44,7 +41,6 @@ module Spree
       I18n.with_locale valid_locale(@order.user) do
         subject = mail_subject(t('spree.order_mailer.confirm_email.subject'), resend)
         mail(to: @order.distributor.contact.email,
-             from: from_address,
              subject: subject)
       end
     end
@@ -56,7 +52,6 @@ module Spree
       attach_file("invoice-#{@order.number}.pdf", pdf)
       I18n.with_locale valid_locale(@order.user) do
         mail(to: @order.email,
-             from: from_address,
              subject: mail_subject(t(:invoice), false),
              reply_to: @order.distributor.contact.email)
       end
diff --git a/app/mailers/spree/shipment_mailer.rb b/app/mailers/spree/shipment_mailer.rb
index c67c4e0702..de315dbaac 100644
--- a/app/mailers/spree/shipment_mailer.rb
+++ b/app/mailers/spree/shipment_mailer.rb
@@ -1,12 +1,12 @@
 # frozen_string_literal: true
 
 module Spree
-  class ShipmentMailer < BaseMailer
+  class ShipmentMailer < ApplicationMailer
     def shipped_email(shipment, delivery:)
       @shipment = shipment.respond_to?(:id) ? shipment : Spree::Shipment.find(shipment)
       @delivery = delivery
       subject = base_subject
-      mail(to: @shipment.order.email, from: from_address, subject: subject)
+      mail(to: @shipment.order.email, subject: subject)
     end
 
     private
diff --git a/app/mailers/spree/test_mailer.rb b/app/mailers/spree/test_mailer.rb
index 6cf8b9c272..fb9080b9cb 100644
--- a/app/mailers/spree/test_mailer.rb
+++ b/app/mailers/spree/test_mailer.rb
@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
 module Spree
-  class TestMailer < BaseMailer
+  class TestMailer < ApplicationMailer
     def test_email(user)
       recipient = user.respond_to?(:id) ? user : Spree::User.find(user)
       subject = "#{Spree::Config[:site_name]} #{t('spree.test_mailer.test_email.subject')}"
-      mail(to: recipient.email, from: from_address, subject: subject)
+      mail(to: recipient.email, subject: subject)
     end
   end
 end
diff --git a/app/mailers/spree/user_mailer.rb b/app/mailers/spree/user_mailer.rb
index f85b8a11a0..ce87b4b7ba 100644
--- a/app/mailers/spree/user_mailer.rb
+++ b/app/mailers/spree/user_mailer.rb
@@ -3,7 +3,7 @@
 # This mailer is configured to be the Devise mailer
 # Some methods here override Devise::Mailer methods
 module Spree
-  class UserMailer < BaseMailer
+  class UserMailer < ApplicationMailer
     include I18nHelper
 
     helper MailerHelper
@@ -16,7 +16,7 @@ module Spree
         "#{I18n.t('spree.user_mailer.reset_password_instructions.subject')}"
 
       I18n.with_locale valid_locale(user) do
-        mail(to: user.email, from: from_address, subject: subject)
+        mail(to: user.email, subject: subject)
       end
     end
 
@@ -24,7 +24,7 @@ module Spree
     def signup_confirmation(user)
       @user = user
       I18n.with_locale valid_locale(@user) do
-        mail(to: user.email, from: from_address,
+        mail(to: user.email,
              subject: t(:welcome_to) + ' ' + Spree::Config[:site_name])
       end
     end
@@ -39,7 +39,6 @@ module Spree
       I18n.with_locale valid_locale(@user) do
         subject = t('spree.user_mailer.confirmation_instructions.subject')
         mail(to: confirmation_email_address,
-             from: from_address,
              subject: subject)
       end
     end
diff --git a/app/mailers/subscription_mailer.rb b/app/mailers/subscription_mailer.rb
index 11900bde3b..174fef790b 100644
--- a/app/mailers/subscription_mailer.rb
+++ b/app/mailers/subscription_mailer.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class SubscriptionMailer < Spree::BaseMailer
+class SubscriptionMailer < ApplicationMailer
   helper 'checkout'
   helper MailerHelper
   helper ShopMailHelper
@@ -37,7 +37,6 @@ class SubscriptionMailer < Spree::BaseMailer
     @shop = Enterprise.find(summary.shop_id)
     @summary = summary
     mail(to: @shop.contact.email,
-         from: from_address,
          subject: "#{Spree::Config[:site_name]} #{t('subscription_mailer.placement_summary_email.subject')}")
   end
 
@@ -45,7 +44,6 @@ class SubscriptionMailer < Spree::BaseMailer
     @shop = Enterprise.find(summary.shop_id)
     @summary = summary
     mail(to: @shop.contact.email,
-         from: from_address,
          subject: "#{Spree::Config[:site_name]} #{t('subscription_mailer.confirmation_summary_email.subject')}")
   end
 
@@ -56,7 +54,6 @@ class SubscriptionMailer < Spree::BaseMailer
       confirm_email_subject = t('spree.order_mailer.confirm_email.subject')
       subject = "#{Spree::Config[:site_name]} #{confirm_email_subject} ##{order.number}"
       mail(to: order.email,
-           from: from_address,
            subject: subject,
            reply_to: order.distributor.contact.email)
     end