Index: app/models/mail_handler.rb
===================================================================
--- app/models/mail_handler.rb	(revision 12902)
+++ app/models/mail_handler.rb	(working copy)
@@ -472,8 +472,11 @@
     addr, name = from, nil
     if m = from.match(/^"?(.+?)"?\s+<(.+@.+)>$/)
       addr, name = m[2], m[1]
+    elsif m = from.match(/^(.+@.+)\s+\((.+?)\)$/)
+      addr, name = m[1], m[2]
     end
     if addr.present?
+      logger.info "MailHandler: creating user from email for [#{addr}]" if logger
       user = self.class.new_user_from_attributes(addr, name)
       if @@handler_options[:no_notification]
         user.mail_notification = 'none'