[KLUG Members] SendMail (?) issue

[Mark Kowitz]

Not sure what you're getting at.  Would it be as simple as having the
remote site telneting in, or do I really need watch it realtime?

mk

On 3/28/06, Adam Tauno Williams <adam at morrison-ind.com> wrote:
> > 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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>
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--
Mark Kowitz
---------------------------------------------
He is no fool . . .
    who gives what he cannot keep
             to gain what he cannot lose.
--jim elliot