Server Fault is a question and answer site for system and network administrators. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

We send emails to clients and bcc each email sent to a few mailing lists. We re using:

  • Google apps
  • From email: is in our domain

We ve been doing this for a few months now but as of 11 am ET today, Outlook users on any of the mailing lists have been seeing: "From on behalf of Domain Emailer".

The process that sends the email uses SMTP through Javamail.

share|improve this question

In case some one is wondering why this happened. I inspected the email headers closely and found this:


Google starting adding this yesterday and thats what caused Outlook to say "on behalf of" all of a sudden.

share|improve this answer

Although I would need more details to understand the issue, the following two links should be able to help you out -


share|improve this answer
We re not using a different account to send the emails out. The from: is the same as the login. For some reason Outlook is showing the Return Path in the from as well. – ankimal Oct 12 '10 at 17:36

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.