How to send all “Undeliverable Mail” notifications to a single email address with POSTFIX

emailpostfix

When my site tries to send an email to a bad domain, my postfix server sends an "Undelivered Mail Returned to Sender" notification to the sending account.

How can I instead send these notifications to a single email account, regardless of the sender?

If this is not possible, is there a way to disable these notifications?

Thanks!

Best Answer

The notify_classes directive is probably what you're looking for.

notify_classes = resource, software, bounce

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Auto-forwarding undeliverable email reports with Exchange 2003

In Microsoft Exchange 2000 Server and Microsoft Exchange Server 2003, you can send a copy of all non-delivery reports (NDRs) to a specific mailbox or [SMTP] e-mail address.

-- XADM: How to Send a Copy of an NDR to a Specific E-mail Address

Disabling postfix “Undelivered Mail Returned to Sender”

If you make postfix just reject the mail as it comes in, it doesn't use the sender address, it just refuses the email at the "RCPT TO" stage. Make sure you have

soft_bounce=no
unknown_local_recipient_reject_code = 550

I'm not sure what else you've got going on, but at least on my postfix, if somebody attempts to send an email to an unknown local user, it gets bounced early in the connection rather than after they've connected and sent you the message.

Best Answer

Related Solutions

Auto-forwarding undeliverable email reports with Exchange 2003

Disabling postfix “Undelivered Mail Returned to Sender”

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