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289528Re: Initial 220 greeting timeout

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  • Wietse Venema
    Nov 20, 2012
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      Alex:
      > Nov 19 20:39:03 mail01 postfix/smtpd[19820]: lost connection after
      > CONNECT from listserver.translateplanmulti.info[198.41.120.7]

      Your server is too slow, so that connections pile up in front of
      it.

      Find out where the bottle neck is by SYSTEMATICALLY MEASURING latency
      (not: manual "telnet to port 25" tests): name lookups, header checks,
      body checks, file system, CPU, memory, and so on. If you can't
      figure it out then hire a professional.

      Wietse
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