I was using "tcpdump" for capture the packets,
The packets are directed to public ip (I use NAT) of my server
hitting port 25 and the server is relaying to the world.
sample:
20:58:38.506904 eth1 61.107.10.249.29690 172.17.15.1.smtp: R 2038520947:2038520947(0)
ack 0 win 0 (ttl 64, id
In middle of 2001, I created mail server for multiple domains base
on qmail:
qmail 1.03
ucspi-tcp 0.88
vpopmail 4.9.10
courier-imap 1.3.8.1
Relaying is enable only from our internal network (LAN) and
few our public IPs. I'm using also enable after pop base
on open-smtp in vpopmain/etc.
I have on
