Forcing sendmail to use HELO (vs. EHLO)?

Jeff Macdonald macfisherman at gmail.com
Wed Sep 22 14:07:00 EDT 2004


On Wed, 22 Sep 2004 12:00:23 -0400, Scott Garman <sgarman at iname.com> wrote:
> Any sendmail gurus know how to force sendmail to use the HELO method for
> all outgoing mail instead of EHLO?
>

Look for this line in sendmail.cf:

Mesmtp,         P=[IPC], F=mDFMuXa, S=EnvFromSMTP/HdrFromSMTP ...

remove the 'a' from the F parameter:

F=mDFMuXa

to 

F=mDFMuX

> I have pcap traces on each side of the connection during a bounce if
> anyone is curious enough to want them. It looks like Exchange just kills
> the connection in the middle of the message body transfer and generates
> a bounce instead.

This doesn't make sense. If Exchange stopped the transaction then
sendmail would be generating the bounce, not exchange.


-- 
Jeff Macdonald
Ayer, MA



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