[69170] in North American Network Operators' Group

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Re: disabling SMTP

daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Mon Mar 29 08:03:49 2004

Date: Mon, 29 Mar 2004 18:33:02 +0530
From: Suresh Ramasubramanian <suresh@outblaze.com>
To: Richard Welty <rwelty@averillpark.net>
Cc: nanog@merit.edu
In-Reply-To: <Mahogany-0.66.0-6633-20040329-073018.00@averillpark.net>
Errors-To: owner-nanog-outgoing@merit.edu


[3/29/2004 6:00 PM]  Richard Welty :
  to the banner obscuration, i (and others) have seen patterns of
> intermittant, arbitrary disconnections of SMTP sessions when fixup is turned
> on. this is harder to diagnose, though, because there is a TCP bug in some

Older pixes had a major issue with MTU path discovery that'd cause email 
to be repeatedly resent.

http://archives.neohapsis.com/archives/postfix/2001-06/1198.html for 
example.

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manager, outblaze.com security and antispam operations

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