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Re[2]: Why from=<> and from= for the same client?

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  • sftf@yandex.ru
    ... m is the client a MUA or an MTA? It s MUA connections (MUA- MTA- target MTA) m grep your logs for from= . if you see one, then m
    Message 1 of 4 , Dec 26, 2007
      m> sftf@... wrote:
      >> Hi!
      >> Sombody, tell me please, why "from=<>" in logs happens?

      m> is the client a MUA or an MTA?

      It's MUA connections (MUA->MTA->target MTA)

      m> grep your logs for "from=<recipient@...>". if you see one, then
      m> it may have triggered a notification (bounce, vacation, ...).

      and it's not bounce (queue ID is the same and no "message_queue_ID:
      sender delivery status notification: bounce_queue_ID" line for this

      And one more question about postfix DSN.
      Why in logs DSN's "from" is not "MAILER-DAEMON@bla-bla-bla"
      (it's "from=<>" too) like "From" field in DSN message?

      (Debian etch postfix 2.3.8-2+b1)

      >> With smtpd_peername_lookup=no configuration I have several entries:
      >> ===================================
      >> 2007-12-25T11:37:39+06:00 saturn postfix/smtpd[19735]: connect from unknown[]
      >> 2007-12-25T11:37:39+06:00 saturn postfix/smtpd[19735]:
      >> 9B665600089: client=unknown[], sasl_method=LOGIN,
      >> sasl_username=sender@...
      >> 2007-12-25T11:37:42+06:00 saturn postfix/cleanup[19738]:
      >> 9B665600089:
      >> message-id=<20071225053739.9B665600089@...>
      >> 2007-12-25T11:37:42+06:00 saturn postfix/qmgr[18774]:
      >> 9B665600089: from=<>, size=2818, nrcpt=1 (queue active)
      >> ^^^^^^^
      >> 2007-12-25T11:37:42+06:00 saturn postfix/smtp[19740]:
      >> 9B665600089: to=<recipient@...>,
      >> relay=ws3.softline.ru[]:25, delay=3.3,
      >> delays=2.9/0.01/0.15/0.26, dsn=2.0.0, status=sent (250 Ok: queued
      >> as 2254A51C434)
      >> 2007-12-25T11:37:42+06:00 saturn postfix/qmgr[18774]: 9B665600089: removed
      >> ===================================
      >> and later with the same postfix configuration for the same client:
      >> ===================================
      >> 2007-12-25T11:59:13+06:00 saturn postfix/smtpd[20196]: connect from unknown[]
      >> 2007-12-25T11:59:13+06:00 saturn postfix/smtpd[20196]:
      >> 3AC81600089: client=unknown[], sasl_method=LOGIN,
      >> sasl_username=sender@...
      >> 2007-12-25T11:59:15+06:00 saturn postfix/cleanup[20197]:
      >> 3AC81600089:
      >> message-id=<20071225055913.3AC81600089@...>
      >> 2007-12-25T11:59:15+06:00 saturn postfix/qmgr[18774]:
      >> 3AC81600089: from=<sender@...>, size=698394, nrcpt=1 (queue
      >> active)
      >> ^^^^^^^^^^^^^^^^^^^^^^^^
      >> 2007-12-25T11:59:18+06:00 saturn postfix/smtp[20198]:
      >> 3AC81600089: to=<recipient@...>,
      >> relay=ws3.softline.ru[]:25, delay=28,
      >> delays=2.7/0.01/0.15/25, dsn=2.0.0, status=sent (250 Ok: queued as
      >> 610C551C468)
      >> 2007-12-25T11:59:19+06:00 saturn postfix/smtpd[20196]:
      >> disconnect from unknown[]
      >> ===================================
      >> Thanks!

      Best regards,
      sftf mailto:sftf@...
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