Here’s a quick IPTables rule to setup an alternate non-standard SMTP port without reconfiguring the mail server software: /sbin/iptables -t nat -A PREROUTING -p tcp -m tcp –dport 2525 \ -j REDIRECT –to-ports 25 Bookmark on Delicious Digg this post Recommend on Facebook share via Reddit Share with Stumblers Tweet about it Subscribe to the [...]
Here’s a quick IPTables rule to setup an alternate non-standard SMTP port without reconfiguring the mail server software:
/sbin/iptables -t nat -A PREROUTING -p tcp -m tcp --dport 2525 \ -j REDIRECT --to-ports 25