diff --git a/app/services/create_mail_method.rb b/app/services/create_mail_method.rb
deleted file mode 100644
index 7eec387603..0000000000
--- a/app/services/create_mail_method.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-# Configures Rails to use the specified mail settings. It does so creating
-# a Spree::MailMethod and applying its configuration.
-class CreateMailMethod
-  # Constructor
-  #
-  # @param attributes [Hash] MailMethod attributes
-  def initialize(attributes)
-    @attributes = attributes
-  end
-
-  def call
-    persist_attributes
-    initialize_mail_settings
-  end
-
-  private
-
-  attr_reader :attributes
-
-  # Updates the created mail method's attributes with the ones specified
-  def persist_attributes
-    mail_method.update_attributes(attributes)
-  end
-
-  # Creates a new Spree::MailMethod for the current environment
-  def mail_method
-    Spree::MailMethod.create(environment: attributes[:environment])
-  end
-
-  # Makes Spree apply the specified mail settings
-  def initialize_mail_settings
-    Spree::Core::MailSettings.init
-  end
-end
diff --git a/app/services/mail_configuration.rb b/app/services/mail_configuration.rb
new file mode 100644
index 0000000000..483e02eb90
--- /dev/null
+++ b/app/services/mail_configuration.rb
@@ -0,0 +1,18 @@
+# Configures Rails to use the specified mail configuration
+#   by setting entries on the Spree Config
+#   and initializing Spree:MailSettings that uses the Spree::Config.
+class MailConfiguration
+  # @param entries [Hash] Spree Config entries
+  def self.entries=(entries)
+    entries.each do | name, value |
+      Spree::Config[name] = value
+    end
+    apply_mail_settings
+  end
+
+  private
+
+  def self.apply_mail_settings
+    Spree::Core::MailSettings.init
+  end
+end
diff --git a/db/seeds.rb b/db/seeds.rb
index d285cbda01..9561e036e2 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -30,26 +30,23 @@ states.each do |state|
   end
 end
 
-def create_mail_method
-  Spree::MailMethod.destroy_all
-
-  CreateMailMethod.new(
-    environment: Rails.env,
-    preferred_enable_mail_delivery: true,
-    preferred_mail_host: ENV.fetch('MAIL_HOST'),
-    preferred_mail_domain: ENV.fetch('MAIL_DOMAIN'),
-    preferred_mail_port: ENV.fetch('MAIL_PORT'),
-    preferred_mail_auth_type: 'login',
-    preferred_smtp_username: ENV.fetch('SMTP_USERNAME'),
-    preferred_smtp_password: ENV.fetch('SMTP_PASSWORD'),
-    preferred_secure_connection_type: ENV.fetch('MAIL_SECURE_CONNECTION', 'None'),
-    preferred_mails_from: ENV.fetch('MAILS_FROM', "no-reply@#{ENV.fetch('MAIL_DOMAIN')}"),
-    preferred_mail_bcc: ENV.fetch('MAIL_BCC', ''),
-    preferred_intercept_email: ''
-  ).call
+def set_mail_configuration
+  MailConfiguration.entries= {
+    enable_mail_delivery: true,
+    mail_host: ENV.fetch('MAIL_HOST'),
+    mail_domain: ENV.fetch('MAIL_DOMAIN'),
+    mail_port: ENV.fetch('MAIL_PORT'),
+    mail_auth_type: 'login',
+    smtp_username: ENV.fetch('SMTP_USERNAME'),
+    smtp_password: ENV.fetch('SMTP_PASSWORD'),
+    secure_connection_type: ENV.fetch('MAIL_SECURE_CONNECTION', 'None'),
+    mails_from: ENV.fetch('MAILS_FROM', "no-reply@#{ENV.fetch('MAIL_DOMAIN')}"),
+    mail_bcc: ENV.fetch('MAIL_BCC', ''),
+    intercept_email: ''
+  }
 end
 
-create_mail_method
+set_mail_configuration
 
 spree_user = Spree::User.first
 spree_user && spree_user.confirm!
diff --git a/spec/services/create_mail_method_spec.rb b/spec/services/create_mail_method_spec.rb
deleted file mode 100644
index d57d5882a4..0000000000
--- a/spec/services/create_mail_method_spec.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-require 'spec_helper'
-
-describe CreateMailMethod do
-  describe '#call' do
-    let(:mail_method) { Spree::MailMethod.create(environment: 'test') }
-    let(:mail_settings) { instance_double(Spree::Core::MailSettings) }
-    let(:attributes) do
-      { preferred_smtp_username: "smtp_username", environment: "test" }
-    end
-
-    before do
-      allow(Spree::MailMethod)
-        .to receive(:create).with(environment: 'test').and_return(mail_method)
-      allow(Spree::Core::MailSettings).to receive(:init) { mail_settings }
-    end
-
-    context 'unit' do
-      before do
-        allow(mail_method).to receive(:update_attributes).with(attributes)
-      end
-
-      it 'creates a new MailMethod' do
-        described_class.new(attributes).call
-
-        expect(Spree::MailMethod)
-          .to have_received(:create).with(environment: 'test') { mail_method }
-      end
-
-      it 'updates the MailMethod' do
-        described_class.new(attributes).call
-
-        expect(mail_method)
-          .to have_received(:update_attributes).with(attributes) { mail_method }
-      end
-
-      it 'initializes the mail settings' do
-        described_class.new(attributes).call
-        expect(Spree::Core::MailSettings).to have_received(:init)
-      end
-    end
-
-    context 'integration' do
-      it 'updates the mail method attributes' do
-        described_class.new(attributes).call
-        expect(mail_method.preferred_smtp_username).to eq('smtp_username')
-      end
-    end
-  end
-end
diff --git a/spec/services/mail_configuration_spec.rb b/spec/services/mail_configuration_spec.rb
new file mode 100644
index 0000000000..b93bff9b28
--- /dev/null
+++ b/spec/services/mail_configuration_spec.rb
@@ -0,0 +1,34 @@
+require 'spec_helper'
+
+describe MailConfiguration do
+  describe 'entries=' do
+    let(:mail_settings) { instance_double(Spree::Core::MailSettings) }
+    let(:entries) do
+      { smtp_username: "smtp_username", mail_auth_type: "login" }
+    end
+
+    before do
+      allow(Spree::Core::MailSettings).to receive(:init) { mail_settings }
+    end
+
+    # keeps spree_config unchanged
+    around do |example|
+      original_smtp_username = Spree::Config[:smtp_username]
+      original_mail_auth_type = Spree::Config[:mail_auth_type]
+      example.run
+      Spree::Config[:smtp_username] = original_smtp_username
+      Spree::Config[:mail_auth_type] = original_mail_auth_type
+    end
+
+    it 'sets config entries in the Spree Config' do
+      described_class.entries= entries
+      expect(Spree::Config[:smtp_username]).to eq("smtp_username")
+      expect(Spree::Config[:mail_auth_type]).to eq("login")
+    end
+
+    it 'initializes the mail settings' do
+      described_class.entries= entries
+      expect(Spree::Core::MailSettings).to have_received(:init)
+    end
+  end
+end