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adrianTNT
Asked: 2014-03-03 03:52:06 +0800 CST

Where is the email bounce sent? To the @domain or to the IP that sent it?

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When I send an email from [email protected] to [email protected] and I use that VERP bounce format like [email protected]

Is this bounce back sent to the mail server in DNS records of the sending domain or is it sent back to the IP address of the mail server that sent the message ?

email

1 Answers

  1. Best Answer

    The return path for bounces is determined by the envelope sender (the MAIL FROM line in the smtp protocol). In the mail headers this is generally copied to the Return-Path header. Here's an example of a mailing list mail that specifies bounces should go to the mailing list server instead of the sender of the mail:

    Return-Path: <[email protected]>
From:   Sun He <[email protected]>
To:     [email protected]
Subject: [PATCH v2] Replace memcpy with hashcpy when dealing hash copy
 globally
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