smtp port change

Hello, I want to setup a mail server but my ISP block port 25 if I change the smtp port to something else will I be able tu receive mail from other mail server ex. yahoo or will other mail server will only try to connect to the default mail server port 25 Thanks for your help ===== \\|// - ? (o o) / =======oOOO=(_)OOo=====================\ email : ephlodur@rocketmail.com What we need is Awareness we can't get carelless. __________________________________ Do you Yahoo!? Exclusive Video Premiere - Britney Spears http://launch.yahoo.com/promos/britneyspears/