Nico Hoffmann via Postfix-users:
> Jun 23 22:50:02 schubert postfix/qmgr[26673]: 60970354BC3:
> from=<x...@lewonze.de>, size=471, nrcpt=1 (queue active)
This message was sent from x...@lewonzelewonze.de, therefore
a non-delivery notification will be sent to that address. This is
defined in the SMTP protocol, also known as RFC 5321.
> Jun 23 22:50:12 schubert postfix/bounce[7837]: 60970354BC3: sender
> non-delivery notification: 3DBEA354BC8
> ...dialup...
> Jun 23 22:50:27 schubert postfix/qmgr[26673]: 3DBEA354BC8: from=<>,
> size=2533,
> nrcpt=1 (queue active)
> Jun 23 22:50:27 schubert postfix/smtp[7836]: 3DBEA354BC8:
> to=<x...@lewonze.de>, relay=mail.gmx.de[212.227.17.168]:25, delay=16,
> delays=15/0/0.76/0.05, dsn=5.0.0, status=bounced (host
As required by RFC 5321 the non-delivery notification is sent to
x...@lewonze.de.
Also as required by RFC 5321 the non-delivery notification has a
null sender address. After a delivery failure the MTA MUST NOT send
another non-delivery notification.
You can configure Postfix to send you some information
about undeliverbale mail:
main.cf:
notify_classes = resource, software, bounce
bounce_notice_recipient = you@localhost
This is not a backup mechanism, you only receive the message header.
Wietse
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