[KLUG Members] SendMail (?) issue

[Adam Tauno Williams]

> I'm having an issue either with my sendmail server or an outside issue
> with someone's FIrebox firewall.  Whenever we send or try to receive
> email from this site (they use MS Exchange), I get an error in my
> logfile:
> "k2Q9FebZ014205: mail.abcde.com [64.141.128.42] did not issue
> MAIL/EXPN/VRFY/ETRN during connection to MTA."

This message usually results from the remote dropping the connection
before issuing a command;  I've seen this lots from M$ PocketPC devices
etc... that are trying to do some kind of AUTH and don't get the
response they expect.

> Checking with their admin, he says that they did a firmware update to
> their firebox, closing off an IDENT port that Sendmail supposedly
> requires.  He says that Firebox says opening this port is a security
> risk, so is hesitant to do so.

Seems terribly unlikely.  IDENT has been dead for ages,  it was stupid
and nearly useless when it was new.

> Anyone know anything about this?  Any ideas?

Can you sniff the connection and actually see what the exchange is?
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