I am running into a similar issue.
I can send mail through my own sendmail MTA on port 25 (so the ISP is not blocking it, or at least outbound traffic on it).
I can telnet in to my MX mail record domain name on port 110. It responds with +OK.
But no mail arrives from remote MTAs? Local users can pass mail back and forth though...
Raidmax: unless your box is its own nameserver you should be setting your IP's DNS servers in the nameserver lines in resolv.conf. Then restart named:
Quote:
/etc/rc.d/rc.bind restart
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