Forcing mail to NOT use SMTP servers

[Pele2048]

So I have an account on a friends mail server. I know it's IMAP.

Both of our respective home ISPs do not allow you to run an SMTP server at home, nor do they allow outgoing traffic on port 25, so there was no need for my buddy to put SMTP on the server. At home, we use the SMTP server as supplied by the ISP, in my case, that's Comcast.

How can I force the mail application to just read mail and not bother with an SMTP connection for outgoing mail?