smtp.pat 1.8 KB

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  1. # SMTP - Simple Mail Transfer Protocol - RFC 2821 (See also RFC 1869)
  2. # Pattern quality: great fast
  3. # usually runs on port 25
  4. #
  5. # This pattern has been tested and is believed to work well. If it does not
  6. # work for you, or you believe it could be improved, please post to
  7. # l7-filter-developers@lists.sf.net . This list may be subscribed to at
  8. # http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
  9. smtp
  10. # As usual, no text is required after "220", but all known servers have some
  11. # there. It (almost?) always has string "smtp" in it. The RFC examples
  12. # does not, so we match those too, just in case anyone has copied them
  13. # literally.
  14. ^220[\x09-\x0d -~]* (e?smtp|simple mail)
  15. # This is ~3x faster if the stream starts with "220"
  16. #^220.* (e?smtp|simple mail)
  17. # Some examples:
  18. # 220 mail.stalker.com ESMTP CommuniGate Pro 4.1.3
  19. # 220 mail.vieodata.com ESMTP Merak 6.1.0; Mon, 15 Sep 2003 13:48:11 -0400
  20. # 220 mail.ut.caldera.com ESMTP
  21. # 220 persephone.pmail.gen.nz ESMTP server ready.
  22. # 220 smtp1.superb.net ESMTP
  23. # 220 mail.kerio.com Kerio MailServer 5.6.7 ESMTP ready
  24. # 220-mail.deerfield.com ESMTP VisNetic.MailServer.v6.0.9.0; Mon, 15 Sep 2003 13:4
  25. # 220 altn.com ESMTP MDaemon 6.8.5; Mon, 15 Sep 2003 12:46:42 -0500
  26. # 220 X1 NT-ESMTP Server ipsmin0165atl2.interland.net (IMail 6.06 73062-3)
  27. # 220 mail.icewarp.com ESMTP Merak 6.1.1; Mon, 15 Sep 2003 19:43:23 +0200
  28. # 220-mail.email-scan.com ESMTP
  29. # 220 smaug.dreamhost.com ESMTP
  30. # 220 kona.carleton.edu -- Server ESMTP (PMDF V6.2#30648)
  31. # 220 letra.reed.edu ESMTP Sendmail 8.12.9/8.12.9; Mon, 15 Sep 2003 10:35:57 -0700 (PDT)
  32. # 220-swan.mail.pas.earthlink.net ESMTP Exim 3.33 #1 Mon, 15 Sep 2003 10:32:15 -0700
  33. #
  34. # RFC examples:
  35. # 220 xyz.com Simple Mail Transfer Service Ready (RFC example)
  36. # 220 dbc.mtview.ca.us SMTP service ready