On Fri, 2008-01-18 at 17:31 -0500, Rich Huff wrote: > On Fri, 2008-01-18 at 14:11 -0700, Miark wrote: > > Having been accomodating about it in the past, the technical > > geniuses at Comcast have permanently blocked port 25, separating > > me (at my home office) from my employer's e-mail server. > > > > What can be done on the server side to keep Postfix listening on > > 25 _and_ accept my connections on some other port? Is there a > > Postfix solution? iptables maybe? > > I have had similar problems with some of my hosting clients. > We configured postfix to also listen on port 2525 as follows: RFC 2476 defines port 587 as the preferred port. http://www.ietf.org/rfc/rfc2476.txt