post last sendmail upgrade

[Mark.Andrews at isc.org]

> 
> > On Thu, Apr 17, 2003, Mark.Andrews at isc.org wrote:
> > > 
> > > 	I've noticed email corruption post the last upgrade to sendmail
> > > 	committed to stable.  Is anyone else experiencing this?
> > 
> > What kind of corruption?
> 
> 	I've had the tail of the body set to 0x80's.  Most common
> 	failure mode.

	Note the 0x80's end with a ')'.
 
> 	I've had a message (S-P1-P2-E) appear as (S-P2 P1-E),
> 	the chunk P1-P2 appears twice.
> 
> 	
> > You may want to follow the advise in the last sentence:
> > 
> > 	To provide partial protection for internal, unpatched MTAs that may be
> > 		performing 7->8 or 8->7 bit MIME conversions, the default
> > 		for MaxMimeHeaderLength has been changed to 2048/1024.
> > 		Note: this does have a performance impact, and it only
> > 		protects against frontal attacks from the outside.
> > 		To disable the checks and return to pre-8.12.9 defaults,
> > 		set MaxMimeHeaderLength to -1/-1.
> > 
> > It seems that the MaxMimeHeaderLength checks remove '\0' under
> > certain circumstances.
> > _______________________________________________
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> --
> Mark Andrews, Internet Software Consortium
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org