Hello. For a month or so i struggle with occasional such reports, as below. The log of the last is like
Jun 9 01:38:05 postfix/smtpd[17007]: warning: hostname hosted-by.rootlayer.net does not resolve to address 45.137.22.84 Jun 9 01:38:05 postfix/smtpd[17007]: connect from unknown[45.137.22.84] So this would not normally be able to post, it would result in rejection like Jun 9 00:43:50 postfix/smtpd[15761]: NOQUEUE: reject: RCPT from unknown[.]: 504 5.5.2 <..>: Helo command rejected: need fully-qualified hostname .. However, somehow this is circumvented here Jun 9 01:38:06 postfix/smtpd[17007]: B713116056: client=unknown[45.137.22.84] Jun 9 01:38:06 postfix/cleanup[17011]: B713116056: message-id=<20210608163805.e242f6fe5d7ac...@sdaoden.eu> Jun 9 01:38:06 postfix/qmgr[2581]: B713116056: from=<stef...@sdaoden.eu>, size=2828, nrcpt=1 (queue active) Well this is faked, but .. nothing is actually enqueued for sending anyhow.. Jun 9 01:38:06 postfix/smtpd[17007]: disconnect from unknown[45.137.22.84] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5 Jun 9 01:38:07 postfix/local[17012]: B713116056: to=<stef...@sdaoden.eu>, relay=local, delay=2.1, delays=1.3/0.01/0/0.83, dsn=2.0.0, status=sent (delivered to mailbox) This i do not parse, too, actually, no such mail happens to happen. Jun 9 01:38:07 postfix/cleanup[17011]: A5B3516059: message-id=<20210608233807.a5b3516...@sdaoden.eu> Jun 9 01:38:07 postfix/qmgr[2581]: A5B3516059: from=<>, size=2213, nrcpt=1 (queue active) Jun 9 01:38:07 postfix/bounce[17013]: B713116056: sender delivery status notification: A5B3516059 So here a delivery status is generated, and i do not know why or how i could disable this. Jun 9 01:38:07 postfix/qmgr[2581]: B713116056: removed Jun 9 01:38:07 postfix/local[17012]: A5B3516059: to=<stef...@sdaoden.eu>, relay=local, delay=0.03, delays=0.01/0/0/0.02, dsn=2.0.0, status=sent (delivered to mailbox) Jun 9 01:38:07 postfix/qmgr[2581]: A5B3516059: removed So all _i_ find in the inbox then is a delivery report as below. Is this a misconfiguration on my side, what can i do to avoid this problem? Thank you, and Ciao from Germany, --- Forwarded from (Mail Delivery System) <mailer-dae...@sdaoden.eu> --- From MAILER-DAEMON Wed Jun 9 01:38:07 2021 Return-Path: <> X-Original-To: stef...@sdaoden.eu Delivered-To: stef...@sdaoden.eu Received: by sdaoden.eu (Postfix) id A5B3516059; Wed, 9 Jun 2021 01:38:07 +0200 (CEST) Date: Wed, 9 Jun 2021 01:38:07 +0200 (CEST) From: mailer-dae...@sdaoden.eu (Mail Delivery System) Subject: Successful Mail Delivery Report To: stef...@sdaoden.eu Auto-Submitted: auto-replied MIME-Version: 1.0 Content-Type: multipart/report; report-type=delivery-status; boundary="B713116056.1623195487/sdaoden.eu" Message-Id: <20210608233807.a5b3516...@sdaoden.eu> Status: RO Content-Description: Notification Content-Type: text/plain; charset=us-ascii This is the mail system at host sdaoden.eu. Your message was successfully delivered to the destination(s) listed below. If the message was delivered to mailbox you will receive no further notifications. Otherwise you may still receive notifications of mail delivery errors from other systems. The mail system <stef...@sdaoden.eu>: delivery via local: delivered to mailbox Content-Description: Delivery report Content-Type: message/delivery-status Content-Description: Message Headers Content-Type: text/rfc822-headers Return-Path: <stef...@sdaoden.eu> Received: from sdaoden.eu (unknown [45.137.22.84]) by sdaoden.eu (Postfix) with ESMTP id B713116056 for <stef...@sdaoden.eu>; Wed, 9 Jun 2021 01:38:05 +0200 (CEST) From: Mail Delivery Report <stef...@sdaoden.eu> To: stef...@sdaoden.eu Subject: [Warning Notice]: stef...@sdaoden.eu Verification Required Date: 8 Jun 2021 16:38:05 -0700 Message-ID: <20210608163805.e242f6fe5d7ac...@sdaoden.eu> MIME-Version: 1.0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable -- End forward <20210608233807.a5b3516...@sdaoden.eu> --steffen | |Der Kragenbaer, The moon bear, |der holt sich munter he cheerfully and one by one |einen nach dem anderen runter wa.ks himself off |(By Robert Gernhardt)