Anne Wilson wrote on Fri, 28 Mar 2008 10:50:08 +0000:
These, it seems, are outgoing packets.
No, they are incoming. They have various sources and one destination and I suppose that's your server's IP. So they are incoming.
open relay,
Relaying is SMTP. And you will see all sorts of connects on SMTP, too, but this doesn't mean they all are relay attempts ;-)
I just read Ned's reply and recognize I missed that part "my router" of your message. It's indeed just your packet filter reporting that it forwarded a packet on port 143 as instructed.
Kai