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Date: Sun, 31 Oct 2010 13:07:00 +0100
From: Jos Chrispijn <kernel@webrz.net>
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Subject: Fwd: Postfix SMTP server: errors from mx2.freebsd.org[69.147.83.53]
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  Hi,

It looks like mx2.freebsd.org is blacklisted by Sorbs.net:

-------- Original Message --------Transcript of session follows.

  In:  EHLO mx2.freebsd.org
  Out: 250-PIPELINING
  Out: 250-SIZE 25600000
  Out: 250-ETRN
  Out: 250-ENHANCEDSTATUSCODES
  Out: 250-8BITMIME
  Out: 250 DSN
  In:  MAIL FROM:<owner-freebsd-questions@freebsd.org>  SIZE=3777
  Out: 250 2.1.0 Ok
  Out: 554 5.7.1 Service unavailable; Client host [69.147.83.53] blocked using
      dnsbl.sorbs.net; Currently Sending Spam See: http://www.sorbs.net/lookup.shtml?69.147.83.53
  In:  DATA
  Out: 554 5.5.1 Error: no valid recipients
  In:  RSET
  Out: 250 2.0.0 Ok
  In:  QUIT
  Out: 221 2.0.0 Bye

---

regards,
Jos Chrispijn