How I "turn-on" e-mail?

[Brian Truter]

> People,
>
> I'm on FC5.
>
> I'm a Linux newbie.
>
> I can see sendmail running on my host:
>
> bash sb2 root /etc/mail 61 # ps -ef|grep -i send
> root      4606     1  0 Jan31 ?        00:00:00 sendmail: accepting
> connections
> smmsp     4614     1  0 Jan31 ?        00:00:00 sendmail: Queue
> runner at 01:00:00
> for /var/spool/clientmqueue
> root      1302   736  0 14:25 pts/2    00:00:00 grep -i send
> bash sb2 root /etc/mail 62 #
>
> And I can connect to port 25 on localhost:
>
> bash sb2 root /etc/sysconfig 24 # telnet sb2.local 25
> Trying 127.0.0.1...
> Connected to localhost.localdomain (127.0.0.1).
> Escape character is '^]'.
> 220 sb2.local ESMTP Sendmail 8.13.6/8.13.6; Mon, 19 Feb 2007 13:55:50
> -0800
>
> But...
> I cannot connect to port 25 when I come from other hosts.
>
> I'm looking for some general advice on how to configure this host so
> it will receive e-mail.
>
> I assume that in that advice will be some clues on how to turn on
> port 25 to other hosts.
>
> How do I "turn-on" in-coming mail?
>
> -Bob
> sinbuzz at sinbuzz.com
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Sendmail is configured by default to only listen on the loopback device.
You will need to reconfigure it to listen for connections on your network
connection. You will need the sendmail-cf package to do this.