sendmail question on gateway install

Lowell Gilbert freebsd-questions-local at be-well.ilk.org
Wed Sep 28 06:22:35 PDT 2005


steve lasiter <slas7713 at yahoo.com> writes:

> This is a follow up to an issue I still have
> concerning my FreeBSD 5.4 gateway. I've done a basic
> install and have disabled inetd and sendmail. My mail
> server is behind my gateway. I can send mail out but
> the gateway is blocking incoming request on port 25. I
> have the ipf rules and ipnat rules in place but the
> gateway never allows it through. I can telnet to the
> 192.x.x.1 address behind the gateway fine so I know my
> postfix is up and running. I can do a port scan via
> the internet and see that 25 is opened but when I try
> to telnet into the public ip on 25 I never get in and
> get a connection refused. When I check with "tcpdump
> -vnt port 25" and run the web port scan I see it
> catching the packets. But when I run the tcpdump and
> try to telnet in on 25 it never reaches it. There is
> also output in my maillog even though sendmail is
> disabled via rc.conf. Can anyone give me a heads up on
> what configuration files need modifying to open this
> up?

It sounds obvious that your firewall rules are *not* in place to allow
SMTP through.  You didn't show them.


-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
		http://be-well.ilk.org/~lowell/


More information about the freebsd-questions mailing list