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I have setup Postfix as part of my ISPConfig implementation. It should just forward all mail. Clients should be able to define a new alias and receive mail on a different e-mail address, using ISPConfig.

Example: A mail sent to user1@domain1.com on my ISPConfig server should be forwarded to external mailbox user2@domain2.com This works fine but one important thing.

When opening the mailbox for user2@domain2.com I see the mail with the original sender name, and the original recipient name, i.e. user1@domain1.com

I have tried the forward function and the send copy function on a mailbox in ISPConfig. Both cases show the original recipient user1@domain.com instead of the final recipient user2@domain2.com, as it would when I manually forward an e-mail.

Can this be achieved without having to maintain a list for each entry?

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closed as off-topic by HopelessN00b Mar 3 at 7:49

  • This question does not appear to be about server, networking, or related infrastructure administration within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

    
It sounds like you've described normal behavior for Internet e-mail. –  Michael Hampton Oct 18 '12 at 22:04
    
Thank you Michael. Maybe you are right. But if I manually forward an email to you, your mail address with be shown as recipient, and not mine. It seems like the behavior I am seeing is more like redirecting instead of forwarding. –  user141742 Oct 18 '12 at 22:23
    
Indeed, this is normal auto-forwarding behavior. –  SamB Oct 19 '12 at 1:14
    

2 Answers 2

You are new to email and apparently don't know the difference between the MAIL TO: envelope recipient and any To: headers in the message itself.

These are not the same; see RFC5321 for details.

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Simply set enable_original_recipient = no in your /etc/postfix/main.cf file. This disables the Original-Recipient headers being added to your outgoing email.

Source: http://www.postfix.org/postconf.5.html

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