Re: Weird slowness

Adam Clark:
> Hey,
> I just installed postfix, configured it and testing now.
> If I telnet localhost or from the DMZ I happily See the following:
> 220 monet1.ngv.vic.gov.au ESMTP Postfix
> quit
> 221 Bye
> Connection closed by foreign host.
>
> Which is fairly speedy and looks fine
>
> If I telnet from outside of our DMZ I get:
> 220 ***********************************
> quit
> 502 Error: command not implemented
>
> There is a delay of about a second or so.

You're going through a PIX firewall that has SMTP
screwup^h^h^h^h^h^hfixup mode turned on. Turn it off.

Wietse