Specify to and from

lib/adamantium/syndication/dayone.rb

@@ -23,12 +23,15 @@ module Adamantium
           }
         end
 
-        Mail.deliver do
+        mail = Mail.new do
-          to @to
-          from @username
           subject name
           body content
         end
+
+        mail[:to] = @to
+        mail[:from] = @from
+
+        mail.deliver
       end
     end
   end