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212218lost connection after CONNECT from google

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  • Crayon
    Jan 1, 2007
    • 0 Attachment
      Hi

      my newly setup postfix system is working well with one exception. Whenever
      google's servers tries to send me mail I get these errors (I used
      debug_peer_list for this particular server):

      =================================================
      Jan 1 13:25:17 [postfix/smtpd] connect from
      ug-out-f141.google.com[66.249.92.141]
      Jan 1 13:25:17 [postfix/smtpd] match_hostname: ug-out-f141.google.com ~?
      1.2.3.4/32
      Jan 1 13:25:17 [postfix/smtpd] match_hostaddr: 66.249.92.141 ~?
      1.2.3.4/32
      Jan 1 13:25:17 [postfix/smtpd] match_list_match: ug-out-f141.google.com:
      no match
      Jan 1 13:25:17 [postfix/smtpd] match_list_match: 66.249.92.141: no match
      Jan 1 13:25:17 [postfix/smtpd] send attr request = connect
      Jan 1 13:25:17 [postfix/smtpd] send attr ident = smtp:66.249.92.141
      Jan 1 13:25:17 [postfix/smtpd] private/anvil: wanted attribute: status
      Jan 1 13:25:17 [postfix/smtpd] input attribute name: status
      Jan 1 13:25:17 [postfix/smtpd] input attribute value: 0
      Jan 1 13:25:17 [postfix/smtpd] private/anvil: wanted attribute: count
      Jan 1 13:25:17 [postfix/smtpd] input attribute name: count
      Jan 1 13:25:17 [postfix/smtpd] input attribute value: 1
      Jan 1 13:25:17 [postfix/smtpd] private/anvil: wanted attribute: rate
      Jan 1 13:25:17 [postfix/smtpd] input attribute name: rate
      Jan 1 13:25:17 [postfix/smtpd] input attribute value: 1
      Jan 1 13:25:17 [postfix/smtpd] private/anvil: wanted attribute: (list
      terminator)
      Jan 1 13:25:17 [postfix/smtpd] input attribute name: (end)
      Jan 1 13:25:17 [postfix/smtpd] > ug-out-f141.google.com[66.249.92.141]:
      220 mx.example.com ESMTP Postfix
      Jan 1 13:25:17 [postfix/smtpd] watchdog_pat: 0x80c5458
      Jan 1 13:25:17 [postfix/smtpd] smtp_get: EOF
      Jan 1 13:25:17 [postfix/smtpd] match_hostname: ug-out-f141.google.com ~?
      1.2.3.4/32
      Jan 1 13:25:17 [postfix/smtpd] match_hostaddr: 66.249.92.141 ~?
      1.2.3.4/32
      Jan 1 13:25:17 [postfix/smtpd] match_list_match: ug-out-f141.google.com:
      no match
      Jan 1 13:25:17 [postfix/smtpd] match_list_match: 66.249.92.141: no match
      Jan 1 13:25:17 [postfix/smtpd] send attr request = disconnect
      Jan 1 13:25:17 [postfix/smtpd] send attr ident = smtp:66.249.92.141
      Jan 1 13:25:17 [postfix/smtpd] private/anvil: wanted attribute: status
      Jan 1 13:25:17 [postfix/smtpd] input attribute name: status
      Jan 1 13:25:17 [postfix/smtpd] input attribute value: 0
      Jan 1 13:25:17 [postfix/smtpd] private/anvil: wanted attribute: (list
      terminator)
      Jan 1 13:25:17 [postfix/smtpd] input attribute name: (end)
      Jan 1 13:25:17 [postfix/smtpd] lost connection after CONNECT from
      ug-out-f141.google.com[66.249.92.141]
      Jan 1 13:25:17 [postfix/smtpd] disconnect from
      ug-out-f141.google.com[66.249.92.141]
      Jan 1 13:25:17 [postfix/smtpd] connect from
      ug-out-f141.google.com[66.249.92.141]
      ...
      =================================================
      These repeat until the "[postfix/smtpd] warning: Connection rate limit
      exceeded:" kicks in.

      These are the restrictions that I have in place:

      =================================================
      smtpd_client_restrictions =
      warn_if_reject,
      reject_unauth_pipelining,
      permit

      smtpd_helo_restrictions =
      permit_mynetworks,
      reject_non_fqdn_helo_hostname,
      reject_invalid_helo_hostname,
      permit

      smtpd_sender_restrictions =
      reject_non_fqdn_sender,
      reject_unknown_sender_domain,
      permit

      smtpd_recipient_restrictions =
      permit_mynetworks,
      permit_sasl_authenticated,
      reject_non_fqdn_recipient,
      reject_unknown_recipient_domain,
      reject_unauth_destination,
      reject_unlisted_recipient,
      check_policy_service inet:127.0.0.1:2501,
      permit
      =================================================

      1) These connects/disconnects have been coming from google for the nearly
      the past 24 hours (I *am* expecting a mail from them)
      2) All the other "lost connection after CONNECT" errors I get are mainly
      from "unknown"s and dial-up/dsl/broadband and other cesspits of spam.
      google is the notable exception
      3) The server is not under any load and not hitting any limits.

      Any ideas? I'm not too keen on simply whitelisting that particular server
      (I've only had contact with that server so far).

      --
      Crayon
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