OT: How to configure sendmail to use a specific IP address instead of MX record value

[Bruno Wolff III]

On Mon, Nov 13, 2006 at 09:55:28 -0500,
  Patrick Doyle <wpdster at gmail.com> wrote:
> 
> Anyway I have a Linux box parked on the inside of a firewall which,
> for whatever reason, won't let the box connect to the company's mail
> server via its MX record IP address.  I can, however, connect to the
> mail server using its internal IP address.  (Verified by telnet
> a.b.c.d 25).

MX records point to A records, not to IP addresses. If your MX record has
an IP address in it, it is set up incorrectly.