[Mimedefang] timeout problem in mimedefang

[Jan-Pieter Cornet]

On Mon, Jan 14, 2008 at 12:27:24PM -0800, Kenneth Porter wrote:
> I see that on my home server, but only when I submit from the office, not 
> when I submit from home.
> 
> Has anyone set up a Red Hat server to run dual sendmail instances, one 
> authenticated submission-only, that passes off to the transfer instance? 
> What's needed in the mc files and initscript to do that? (I currently just 
> have the one mc and have it listening on both ports.) I could figure it out 
> myself but if someone else has already wiki'd the setup details, that would 
> be a great resource.

I haven't wiki'd the setup, and I don't have exactly such a setup,
but something similar.

If your clients are well-behaved and connect to the MSA port (587),
which is usually setup as authenticated-only, you can simply check:

    # this assumes the following in sendmail.mc:
    # FEATURE(`no_default_msa')
    # DAEMON_OPTIONS(`Listen=128,Port=587,Name=MSA,M=Eaf')

    sub filter_sender {
	# ... any other processing here, if necessary
	read_commands_file();
	if ( $SendmailMacros{"daemon_name"} eq 'MSA' ) {
	    return('ACCEPT_AND_NO_MORE_FILTERING', 'ok');
	}
	# ... any other processing here, if necessary
    }

If your clients insist on connecting to port 25, and that cannot be
changed by threatening with slowly responding MUAs, you'll have to setup
two separate IPs and provide separate DAEMON_OPTIONS(`...Addr=ip...')
for each IP, and distinguish on that.

-- 
Jan-Pieter Cornet <johnpc at xs4all.nl>
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