> De: Wietse Venema via Postfix-users <postfix-users@postfix.org> > Enviada: 31 de março de 2023 15:35 > Para: Postfix users <postfix-users@postfix.org> > Assunto: [pfx] Re: Success DSN for virtual mailboxes not working > > Nuno Pereira via Postfix-users: > > Logs of message with success DSN sent: > > > > Mar 31 13:26:16 MAIL01 postfix/cleanup[1444410]: 21069213F: > > message- > id=<!&!AAAAAAAAAAAuAAAAAAAAAHAXE34T8Y9Ei+rbVgA87vYBAMO2jhD3dR > H > > OtM0AqgC7t > > > uYAAAAAAA4AABAAAAB+0ZLW85dyTYzsfdF+fjJNAQAAAAA=@otherdomain.com > > > > Mar 31 13:26:19 MAIL01 MailScanner[1402982]: Requeue: 21069213F.A0295 > > to > > C91CB2217 > > Mar 31 13:26:19 MAIL01 dovecot: > > > lmtp(nuno.pere...@virtualdomain.com)<1448368><CCo8BWvRJmSwGRYAi7tdO > A>: > > > msgid=<!&!AAAAAAAAAAAuAAAAAAAAAHAXE34T8Y9Ei+rbVgA87vYBAMO2jhD > 3dRHOtM0A > > qgC7tuYAAA > > AAAA4AABAAAAB+0ZLW85dyTYzsfdF+fjJNAQAAAAA=@otherdomain.com>: > saved > > AAAA4AABAAAAB+0ZLW85dyTYzsfdF+mail to INBOX > > Mar 31 13:26:19 MAIL01 dovecot: lmtp(1448368): Disconnect from local: > > Client has quit the connection (state=READY) Mar 31 13:26:19 MAIL01 > > postfix/lmtp[1444780]: C91CB2217: > > to=<nuno.pere...@realdomain.com>, > > relay=mail01.nortenet.pt[private/dovecot-lmtp], delay=3, > > delays=2.9/0/0/0.07, dsn=2.0.0, status=sent (250 2.0.0 > > <nuno.pere...@realdomain.com> CCo8BWvRJmSwGRYAi7tdOA Saved) Mar 31 > > 13:26:19 MAIL01 postfix/cleanup[1444410]: 26C44213F: > > message-id=<20230331122619.26c442...@mail01.nortenet.pt> > > Mar 31 13:26:19 MAIL01 postfix/qmgr[3435793]: 26C44213F: from=<>, > > size=3618, > > nrcpt=1 (queue active) > > Mar 31 13:26:19 MAIL01 postfix/bounce[1449644]: C91CB2217: sender > > delivery status notification: 26C44213F Mar 31 13:26:19 MAIL01 > > postfix/qmgr[3435793]: C91CB2217: removed Mar 31 13:26:19 MAIL01 > > postfix/smtp[1449595]: 26C44213F: > > to=<nuno.pere...@otherdomain.com>, > > relay=a.mx.interacesso.pt[212.13.45.18]:25, > > delay=0.02, delays=0/0/0.02/0, dsn=2.0.0, status=sent (250 2.0.0 Ok: > > queued as > > 2BAA81D38) > > Mar 31 13:26:19 MAIL01 postfix/qmgr[3435793]: 26C44213F: removed > > Above a DSN is created with: > > > Mar 31 13:26:19 MAIL01 postfix/bounce[1449644]: C91CB2217: sender > > delivery status notification: 26C44213F > > Which is delivered as expected. > > > Logs of message with success DSN not sent: > > > > Mar 31 13:25:39 MAIL01 postfix/cleanup[1444410]: E3F7220E5: > > message- > id=<!&!AAAAAAAAAAAuAAAAAAAAAHAXE34T8Y9Ei+rbVgA87vYBAMO2jhD3dR > H > > OtM0AqgC7t > > > uYAAAAAAA4AABAAAAAEaRBcggJbQphyIaiykwwrAQAAAAA=@otherdomain.co > m> > > Mar 31 13:25:43 MAIL01 MailScanner[1402982]: Requeue: E3F7220E5.A2EE1 > > to 048FA228D Mar 31 13:26:19 MAIL01 postfix/qmgr[3435793]: C91CB2217: > > from=<nuno.pere...@otherdomain.com>, size=27235, nrcpt=1 (queue > > active) Mar 31 13:25:43 MAIL01 postfix/qmgr[3435793]: 048FA228D: > > from=<nuno.pere...@otherdomain.com>, size=20866, nrcpt=1 (queue > > active) Mar 31 13:25:43 MAIL01 dovecot: lmtp(1448368): Connect from > > local Mar 31 13:25:43 MAIL01 MailScanner[1402982]: Unscanned: > > Delivered 1 messages Mar 31 13:25:43 MAIL01 MailScanner[1402982]: > > Deleted 1 messages from processing-database Mar 31 13:25:43 MAIL01 > > MailScanner[1402982]: MailWatch: Logging message > > E3F7220E5.A2EE1 to SQL > > Mar 31 13:25:43 MAIL01 MailScanner[1405172]: MailWatch: > > E3F7220E5.A2EE1: Logged to MailWatch SQL Mar 31 13:25:43 MAIL01 > > dovecot: > > lmtp(nuno.pere...@interacesso.pt)<1448368><iPZaA0fRJmSwGRYAi7tdOA>: > > > msgid=<!&!AAAAAAAAAAAuAAAAAAAAAHAXE34T8Y9Ei+rbVgA87vYBAMO2jhD > 3dRHOtM0A > > qgC7tuYAAA > > AAAA4AABAAAAAEaRBcggJbQphyIaiykwwrAQAAAAA=@otherdomain.com>: > saved > > mail to INBOX Mar 31 13:25:43 MAIL01 postfix/lmtp[1448361]: 048FA228D: > > to=<nuno.pere...@realdomain.com>, > > orig_to=<nuno.pere...@virtualdomain.com>, > > relay=mail01.nortenet.pt[private/dovecot-lmtp], delay=3.2, > > delays=3.1/0/0/0.06, dsn=2.0.0, status=sent (250 2.0.0 > > <nuno.pere...@realdomain.com> iPZaA0fRJmSwGRYAi7tdOA Saved) Mar 31 > > 13:25:43 MAIL01 postfix/qmgr[3435793]: 048FA228D: removed > > Here, no sender notification is created: there is no logging that says: > > > MAIL01 postfix/bounce[XXX]: YYYY: sender delivery status notification: > > ZZZZ > > Either the original message had no "notify=success", or MailScanner mis-handled > the Postfix queue file record. How can it be checked if the message had "notify=success"?
> There is a history of MailScanner breaking DSN Success notification, see for > example https://github.com/E-F-A/v4/issues/193 - the bug report has two > examples: one example where a success DSN is created, and one example where no > success DSN is created. Perhaps that sounds familiar to you. > > For a workaround, see > https://github.com/E-F-A/v4/issues/193#issuecomment-688494424 > https://github.com/E-F-A/v4/issues/193#issuecomment-688494619 > > If you still believe that this is a Postfix problem, then you MUST reproduce the > problem WITHOUT USING MailScanner. Not using MailScanner is not an option in the production system. I've checked our configuration against te workarounds, and we have them implemented. MailScanner might be the guilty, but it's not making a mess with messages sent to @realdomain.com on the same server.
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