Smtp Connections list

You can check what connection you have via smtp protocol with the simple command:

netstat -a | grep smtp

The output must be something like this:

root /scripts# netstat -a | grep smtp
tcp 0 0 *:smtp *:* LISTEN
tcp 0 14 myserver.tld:smtp dyn-86.106.61.22.ph.up:3025 ESTABLISHED
tcp 0 1 myserver.tld:55355 mta-v9.mail.vip.mud.ya:smtp SYN_SENT
tcp 0 1 myserver.tld:55380 mta-v2.mail.vip.re3.ya:smtp SYN_SENT
tcp 0 0 myserver.tld:54786 mta-v7.mail.vip.mud.ya:smtp ESTABLISHED