Merge pull request #3 from 1442acb42ee0e3a727d7330e9755eb94/master

Lift 256 character limit on alternative field.

Author: matrei

grails-app/domain/grails/plugin/asyncmail/AsynchronousMailMessage.groovy

@@ -167,6 +167,8 @@ class AsynchronousMailMessage implements Serializable {
         )
 
         text type: 'text'
+        
+        alternative type: 'text'
 
         attachments cascade: "all-delete-orphan"
     }