> Hello All, > > I'm trying to set up my mail server; however I want to > make sure that I have the correct port(s) open. I > already have TCP port 25 open; however do I also have > to have UDP port 25 open as well? Any help would be > appreciated. > > Thanks, > James If you want to run SMTP (the standard case) with your mail server port 25/TCP ist sufficient. Port 25/UDP is not used by sendmail or any other SMTP server software (as far as I know). johannes walch
