Sendmail not accepting connections on port 25

[Bernt Hansson]

2011-07-19 09:03, ssgriffonuser skrev:
> Hi all,
>
> I'm having difficulty getting sendmail set up on my server. I can send
> and receive to localhost and I can send to external networks but I can
> not receive from external networks (I receive a 550: Address rejected).
> Netstat says sendmail is listening on port 25 but I cannot telnet to it.
> When I do a port scan of the server, nmap does not show anything on port
> 25 but does show smtp on 587.

You do have sendmail_enable="YES" in /etc/rc.conf?