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Re: problem receiving from mx.191.biz

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  • Daniele Nicolodi
    ... Your customer in not able to receive emails from olmar.191.it ... but this log entry is for an outgoing message to zanelli.191.it. There is no evidence of
    Message 1 of 5 , Dec 6, 2012
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      On 06/12/2012 13:08, Giuseppe De Nicolo' wrote:
      > Hi all,
      >
      > I have received a complaint from a customer thats sit on our
      > server(postconf down below ) about not receiving a message from a
      > particular sender domain " @... "

      Your customer in not able to receive emails from olmar.191.it

      > grep mx.191.biz /var/log/maillog* and this is the output :
      >
      > /var/log/maillog.1:Nov 27 12:42:22 darkstar postfix/smtp[2032]:
      > D43C1214A4: to=<roberto.pucci@...>,
      > relay=mx.191.biz[77.238.27.187]:25, delay=3.1,
      > delays=0.01/0.03/0.79/2.3, dsn=2.0.0, status=sent (250 ok: Message
      > 215728826 accepted)

      but this log entry is for an outgoing message to zanelli.191.it. There
      is no evidence of incoming messages in the log excerpt you produced.

      Cheers,
      Daniele
    • Giuseppe De Nicolo'
      ... Hi Danele, As I stated I did grep for the mx record which happens to be responsible for all the second level domain 191.it and subsequent third level
      Message 2 of 5 , Dec 6, 2012
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        On 12/06/2012 01:27 PM, Daniele Nicolodi wrote:
        > On 06/12/2012 13:08, Giuseppe De Nicolo' wrote:
        >> Hi all,
        >>
        >> I have received a complaint from a customer thats sit on our
        >> server(postconf down below ) about not receiving a message from a
        >> particular sender domain " @... "
        > Your customer in not able to receive emails from olmar.191.it
        >
        >> grep mx.191.biz /var/log/maillog* and this is the output :
        >>
        >> /var/log/maillog.1:Nov 27 12:42:22 darkstar postfix/smtp[2032]:
        >> D43C1214A4: to=<roberto.pucci@...>,
        >> relay=mx.191.biz[77.238.27.187]:25, delay=3.1,
        >> delays=0.01/0.03/0.79/2.3, dsn=2.0.0, status=sent (250 ok: Message
        >> 215728826 accepted)
        > but this log entry is for an outgoing message to zanelli.191.it. There
        > is no evidence of incoming messages in the log excerpt you produced.
        >
        > Cheers,
        > Daniele
        >
        >

        Hi Danele,

        As I stated I did grep for the mx record which happens to be
        responsible for all the second level domain 191.it and subsequent third
        level doman ( zanetti olmar etc.) , the main point is exatly that into
        my server log seems this person "never" tried to send nothing to me BUT
        on the orher side he does affirm he did , I m quite positive this is a
        problem not related to my server ,what I was asking is a external point
        of view of the situation in case I negleted some flaw into my setup.

        Cheers
      • Jim Wright
        ... What you did here was check for mails including that particular DNS name, an incoming message to your server may not have been sent from the MX DNS name,
        Message 3 of 5 , Dec 6, 2012
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          On Dec 6, 2012, at 6:08 AM, Giuseppe De Nicolo' wrote:

           the mx responsible for this domain is mx.191.biz ( Telecom Italia - God save us all ) I checked my server logs for any evidence of this

          grep mx.191.biz /var/log/maillog* and this is the output :

          /var/log/maillog.1:Nov 27 12:42:22 darkstar postfix/smtp[2032]: D43C1214A4: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=3.1, delays=0.01/0.03/0.79/2.3, dsn=2.0.0, status=sent (250 ok:  Message 215728826 accepted)
          /var/log/maillog.1:Nov 27 12:50:27 darkstar postfix/smtp[2091]: BC365214A4: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=0.87, delays=0.02/0.03/0.61/0.21, dsn=2.0.0, status=sent (250 ok:  Message 215612731 accepted)
          /var/log/maillog.1:Nov 28 13:53:18 darkstar postfix/smtp[7131]: 0727C214E6: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=4.6, delays=0.03/0.03/1.8/2.7, dsn=2.0.0, status=sent (250 ok:  Message 215531999 accepted)
          /var/log/maillog.1:Nov 29 12:00:20 darkstar postfix/smtp[11094]: C41E9214EA: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=0.94, delays=0.02/0.01/0.69/0.22, dsn=2.0.0, status=sent (250 ok:  Message 216175404 accepted)
          /var/log/maillog.2:Nov 19 09:44:48 darkstar postfix/smtp[28596]: C22B42147E: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=1.3, delays=0.01/0.01/0.78/0.52, dsn=2.0.0, status=sent (250 ok:  Message 212683426 accepted)

          What you did here was check for mails including that particular DNS name, an incoming message to your server may not have been sent from the 'MX' DNS name, so it would not have been found in your search.

          You may want to instead search simply for 191.it, or possibly 77.238 to see if this gets any additional hits.

          It may be worth having your user check with the sender to see if any failure receipts were received, and to forward those.  That would give additional info that should help in your log search.


          Jim
        • Giuseppe De Nicolo'
          ... Hi, Actually I did that too and did produce the same evidence , anyway tonight I had an illumination on what may cause this behavior. I noticed that my log
          Message 4 of 5 , Dec 7, 2012
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            On 12/06/2012 03:03 PM, Jim Wright wrote:
            On Dec 6, 2012, at 6:08 AM, Giuseppe De Nicolo' wrote:

             the mx responsible for this domain is mx.191.biz ( Telecom Italia - God save us all ) I checked my server logs for any evidence of this

            grep mx.191.biz /var/log/maillog* and this is the output :

            /var/log/maillog.1:Nov 27 12:42:22 darkstar postfix/smtp[2032]: D43C1214A4: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=3.1, delays=0.01/0.03/0.79/2.3, dsn=2.0.0, status=sent (250 ok:  Message 215728826 accepted)
            /var/log/maillog.1:Nov 27 12:50:27 darkstar postfix/smtp[2091]: BC365214A4: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=0.87, delays=0.02/0.03/0.61/0.21, dsn=2.0.0, status=sent (250 ok:  Message 215612731 accepted)
            /var/log/maillog.1:Nov 28 13:53:18 darkstar postfix/smtp[7131]: 0727C214E6: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=4.6, delays=0.03/0.03/1.8/2.7, dsn=2.0.0, status=sent (250 ok:  Message 215531999 accepted)
            /var/log/maillog.1:Nov 29 12:00:20 darkstar postfix/smtp[11094]: C41E9214EA: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=0.94, delays=0.02/0.01/0.69/0.22, dsn=2.0.0, status=sent (250 ok:  Message 216175404 accepted)
            /var/log/maillog.2:Nov 19 09:44:48 darkstar postfix/smtp[28596]: C22B42147E: to=<roberto.pucci@...>, relay=mx.191.biz[77.238.27.187]:25, delay=1.3, delays=0.01/0.01/0.78/0.52, dsn=2.0.0, status=sent (250 ok:  Message 212683426 accepted)

            What you did here was check for mails including that particular DNS name, an incoming message to your server may not have been sent from the 'MX' DNS name, so it would not have been found in your search.

            You may want to instead search simply for 191.it, or possibly 77.238 to see if this gets any additional hits.

            It may be worth having your user check with the sender to see if any failure receipts were received, and to forward those.  That would give additional info that should help in your log search.


            Jim
            Hi,

                Actually I did that too and did produce the same evidence , anyway tonight I had an illumination on what may cause this behavior. I noticed that my log do produce only sent object for that server , wich is quite strange since Telecom Italia is the main ISP and Telephone Company in Italy , before being managed by this server this domain was served by the exatly same mx ( mx.191.biz) so what may be  happening is  that when we did transfer the domain the mx server maintainer did not delete the relevant configuration from it , so THIS server still think of this as local delivery ...... I asked my customer for the older access to see if I can still fetch them from it ......

                Anyway I m quite positive this is NOT a postfix problem so I am investigating in that direction now

            Thank you all
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