From owner-freebsd-questions Fri Mar 14 15:47:34 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id PAA19539 for questions-outgoing; Fri, 14 Mar 1997 15:47:34 -0800 (PST) Received: from corpex.com (yuri.corpex.com [194.74.216.5]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id PAA19267 for ; Fri, 14 Mar 1997 15:43:03 -0800 (PST) Received: by corpex.com via sendmail with stdio id for freebsd-questions@freebsd.org; Fri, 14 Mar 1997 23:43:45 +0000 (GMT) (Smail-3.2 1996-Jul-4 #1 built 1996-Aug-19) Message-Id: From: neil@corpex.com (Neil) Subject: SMTP and Firewalls To: freebsd-questions@freebsd.org (Questions Freebsd) Date: Fri, 14 Mar 1997 23:43:45 +0000 (GMT) X-Mailer: ELM [version 2.4ME+ PL22 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Hi, We are using FBSD 2.1.5 with IPFW configured for a mail server. Other than the obvious port 25 connections, what else must be opened in the firewall to allow SMTP 'sending'. At present we get a 'operation timed out' error as the server cannot connect ot an external server. Cheers, Neil