[CentOS] IMAP security

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

-- 
Kai Schätzl, Berlin, Germany
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