I did this with an old ISP that blocked port 25. In my case, I had my dynamic dns provider store and forward to my server on an alternate port. I used 1054, but use whatever you'd like.
modify /etc/services add a new service (say smtp2) with port 1054. leave smtp at 25 modify /etc/postfix./master.cf change the line that reads "smtp inet n - n - - smtpd" to "smtp2 inet n - n - - smtpd" Do a postfix reload and you should be good to go. No changes are needed to ensure local users get their mail. Brandon > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Russell W. Behne > Sent: Saturday, August 30, 2003 2:47 AM > To: [EMAIL PROTECTED] > Subject: [expert] reassigning ports > > > I want to run my mailserver on a nonstandard port ---other than port 25. > How can I reconfigure postfix to run on port 26? And are there any other > things that are needed to make sure that mail arriving on this port gets > properly delivered to local users? (Don't worry about the sender, > that's another issue entirely.) Thanks! > > -- > Mit freundlichen Gr en, > Russ. > *----------------------------------------------------------------- > --------* > |P.S. My wife & I collect _unusual_ ethnic recipes. If you have > something| > | interesting please email it to me along with info & country of > origin, | > | and please put this anywhere on the Subject line: > ethnicrecipe | > | Thanks! > | > *----------------------------------------------------------------- > --------* > | http://www.TruthAboutWar.org > | > | What is freedom, really? See this great flash presentation: > | > | http://www.isil.org/resources/introduction.swf > | > *----------------------------------------------------------------- > --------* > | -----=====[Russell's Quotes 1]=====----- > | > | Who is rich? He that rejoices in his Portion. > | > *----------------------------------------------------------------- > --------* > | -----=====[Russell's Quotes 2]=====----- > | > | If thou do what you should not, you must hear what you would > not. | > *----------------------------------------------------------------- > --------* > > >
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