mailer doesn't break everything anymore. attachments are also inlined.

app/mailers/notifier.rb

@@ -7,7 +7,7 @@ class Notifier < ActionMailer::Base
   def new_request(recipient, sender)
     @receiver = recipient
     @sender = sender
-    attachments["diaspora_white_on_grey.png"] = ATTACHMENT 
+    attachments.inline['diaspora_white_on_grey.png'] = ATTACHMENT 
 
     mail(:to => "#{recipient.real_name} <#{recipient.email}>",
     :subject => "new Diaspora* friend request from #{@sender.real_name}", :host => APP_CONFIG[:terse_pod_url])
@@ -17,7 +17,8 @@ class Notifier < ActionMailer::Base
     @receiver = recipient
     @sender = sender
     @aspect = aspect
-    attachments["diaspora_white.png"] = ATTACHMENT 
+    attachments.inline['diaspora_white_on_grey.png'] = ATTACHMENT 
+
     mail(:to => "#{recipient.real_name} <#{recipient.email}>",
     :subject => "#{@sender.real_name} has accepted your friend request on Diaspora*", :host => APP_CONFIG[:terse_pod_url])
   end

app/views/notifier/new_request.html.haml

@@ -43,7 +43,7 @@
       }
   %body
     %header
-      = image_tag attachments['diaspora_white_on_grey.png'], :alt => "DIASPORA"
+      = image_tag attachments['diaspora_white_on_grey.png'].url, :alt => "DIASPORA"
     #container
       %p
         Hello #{@receiver.profile.first_name}!

app/views/notifier/request_accepted.html.haml

@@ -43,7 +43,7 @@
       }
   %body
     %header
-      = image_tag attachments['diaspora_white_on_grey.png'], :alt => "DIASPORA"
+      = image_tag attachments['diaspora_white_on_grey.png'].url, :alt => "DIASPORA"
     #container
       %p
         Hello #{@receiver.profile.first_name}!