-------- Original Message --------
Subject: Re: Reasons behind defaulting atd and sendmail
From: Chris Tyler <chris@xxxxxxxxxxx>
To: Community assistance, encouragement, and advice for using Fedora.
<fedora-list@xxxxxxxxxx>
Date: 09/05/2008 09:13 AM
(a) With sendmail there, you have a chance of being able to send
outbound e-mail. You may need to adjust the configuration depending on
the network.
(b) Without sendmail or another MTA there, there is zero chance of being
able to send outbound e-mail without doing configuration.
I believe Evolution is installed by default, is it not? *Desktop* Fedora
users are guaranteed outbound e-mail with or without sendmail.
If a desktop application needs to send an e-mail to the Internet it will
need to let the end-user take care of it due to my points about spam
filtering.
So I suppose the question is "what percentage of systems in (a) can send
outbound e-mail without further MTA configuration?" -- if this
approaches 0, then a==b, and sendmail should be disabled by default. I
don't think that's the case; sendmail can definitely send mail to the
LAN, and there are a fair number of cases where sending beyond the LAN
will work too (those with static IPs, those on a corporate or university
network, ...)
You cannot send mail to the LAN. By default sendmail is only able to
accept email from 127.0.0.1. Plus, Fedora's default iptables rules do
not include port 25. You would have to do quite a bit of extra
configuration work to send messages between Fedora boxes on a LAN. The
point is moot.
Mike
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