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Log Question

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  • Jewel Makda
    Below is an entry in my log and I don t understand exactly what it means. May 30 07:14:59 lists postfix/smtp[31044]: A84572795A6: to= ,
    Message 1 of 3 , Jun 1, 2007
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      Below is an entry in my log and I don't understand exactly what it means.

      May 30 07:14:59 lists postfix/smtp[31044]: A84572795A6: to=<crsgreg@...>, relay=none, delay=77855, status=deferred (connect to mx2.umich.edu[141.211.124.86]: server refused to talk to me: 421 Error checking reverse address:/ "my server's IP address" /timeout )



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    • Lars Johansen
      Means that your ip address cant be resolved to the domain you claim to be sending from
      Message 2 of 3 , Jun 1, 2007
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        Means that your ip address cant be resolved to the domain you claim to
        be sending from
        Jewel Makda skrev:
        > Below is an entry in my log and I don't understand exactly what it means.
        >
        > May 30 07:14:59 lists postfix/smtp[31044]: A84572795A6:
        > to=<crsgreg@...>, relay=none, delay=77855, status=deferred
        > (connect to mx2.umich.edu[141.211.124.86]: server refused to talk to
        > me: 421 Error checking reverse address:/ "my server's IP address"
        > /timeout )
        >
        >
        >
      • Payne
        Do you a revese dns entry? A lot mail server use RDNS as a means to stop spam. A 4xx is a temp error, so it might go later. I wonder if they are doing grey
        Message 3 of 3 , Jun 1, 2007
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          Do you a revese dns entry? A lot mail server use RDNS as a means to stop
          spam.

          A 4xx is a temp error, so it might go later. I wonder if they are doing
          grey listing. Because if you were on their black list the error would be
          5xx.

          Lars Johansen wrote:
          > Means that your ip address cant be resolved to the domain you claim to
          > be sending from
          > Jewel Makda skrev:
          >
          >> Below is an entry in my log and I don't understand exactly what it means.
          >>
          >> May 30 07:14:59 lists postfix/smtp[31044]: A84572795A6:
          >> to=<crsgreg@...>, relay=none, delay=77855, status=deferred
          >> (connect to mx2.umich.edu[141.211.124.86]: server refused to talk to
          >> me: 421 Error checking reverse address:/ "my server's IP address"
          >> /timeout )
          >>
          >>
          >>
          >>
          >
          >
          >
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