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Change Postfix to accept incoming mail on port 1054 or other but send outgoing mail on 25

modify /etc/services
add a new service (say smtp2) with port 1054.
leave smtp at 25

modify /etc/postfix./
change the line that reads

"smtp inet n - n - - smtpd"
"smtp2 inet n - n - - smtpd"

restart postfix
postfix reload


Craig said...

Thanks! Comcast just blocked my smtp port, and I needed this to use mail-relay from Otherwise I need to sign up for Comcast business at an extra $20/month (as opposed to DynDNS mail-relay at $50/year)

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