don't coerce headers stuff

.gitignore

@@ -36,3 +36,4 @@ coverage
 bin
 repos
 test/fixtures/repos
+*.gem

ChangeLog.md

@@ -1,3 +1,6 @@
+= 0.0.8
+* do not coerce headers
+
 = 0.0.7
 * support for setting custom email headers. Give us the hassssh.
 

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    active_mailer (0.0.7)
+    active_mailer (0.0.8)
       activesupport (~> 3.2)
       rails (~> 3.2)
 

active_mailer.gemspec

@@ -7,7 +7,7 @@ Gem::Specification.new do |s|
   s.authors     = ["Matt Gordon"]
   s.email       = '[email protected]'
   s.files = Dir["{app,lib,config}/**/*"] + ["MIT-LICENSE", "Rakefile", "Gemfile", "README.rdoc"]
-  s.version = "0.0.7"
+  s.version = "0.0.8"
   s.homepage    =
     'https://github.com/expectedbehavior/active_mailer'
 

app/models/active_mailer/base.rb

@@ -182,7 +182,7 @@ def define_action_mailer_method
               :to      => options[:recipients],
               :subject => options[:subject],
               :from    => options[:sender].email_address }
-            mail_options[:headers] = options[:headers].to_json if options[:headers].present?
+            mail_options[:headers] = options[:headers] if options[:headers].present?
             mail(mail_options)
           end
         end

test/active_mailer_test.rb

@@ -35,8 +35,8 @@ class ActiveMailerTest < ActiveSupport::TestCase
     email = InvitationEmail.new(:sender => "[email protected]",
                                 :recipients => ["[email protected]", nil],
                                 :subject => "YOU GUYS!")
-    email.headers = { :something => "else" }
+    email.headers = "SOMETHING: else"
     assert { email.send! }
-    assert { email.mailer["headers"].to_s == '{"something":"else"}' }
+    assert { email.mailer["headers"].to_s == "SOMETHING: else" }
   end
 end