{Disarmed} Re: Listen on different port

[Devon Harding]

On Jan 7, 2008 10:36 AM, dnsadmin 1bigthink.com <dnsadmin at 1bigthink.com>
wrote:

> Hello,
>
> I use the following in my sendmail.mc. Port 587 is a standard use
> port defined in /etc/services and has really come in handy for
> roaming users. Many hotel Internet access points block port 25!
>
> I also do SMTPS with a self-signed cert.
>
> dnl # The following causes sendmail to only listen on the IPv4 loopback
> address
> dnl # 127.0.0.1 and not on any other network devices. Remove the loopback
> dnl # address restriction to accept email from the internet or intranet.
> dnl #
> DAEMON_OPTIONS(`Port=smtp, Name=MTA')dnl
> dnl #
> dnl # The following causes sendmail to additionally listen to port 587 for
> dnl # mail from MUAs that authenticate. Roaming users who can't reach
> their
> dnl # preferred sendmail daemon due to port 25 being blocked or redirected
> find
> dnl # this useful.
> dnl #
> DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl
> dnl #
> dnl # The following causes sendmail to additionally listen to port 465,
> but
> dnl # starting immediately in TLS mode upon connecting. Port 25 or 587
> followed
> dnl # by STARTTLS is preferred, but roaming clients using Outlook Express
> can't
> dnl # do STARTTLS on ports other than 25. Mozilla Mail can ONLY use
> STARTTLS
> dnl # and doesn't support the deprecated smtps; Evolution <1.1.1 uses
> smtps
> dnl # when SSL is enabled-- STARTTLS support is available in version 1.1.1
> .
> dnl #
> dnl # For this to work your OpenSSL certificates must be configured.
> dnl #
> DAEMON_OPTIONS(`Port=smtps, Name=TLSMTA, M=s')dnl
>
>
> At 09:55 AM 1/7/2008, you wrote:
>
> >On Mon, 07 Jan 2008 14:19:36 +0000
> >Peter Farrow <peter at farrows.org> wrote:
> >
> >[snip]
> >
> > > > I am using sendmail.  Can I have this listen on multiple ports?
> > > >
> > > > -Devon
> > > No,
> > >
> > > you'll have to run multiple daemons to do that...
> > >
> > > P.
> >
> >Hi, I don't use Sendmail since I prefer Postfix; however, I believe
> >that the above is incorrect. Please check out this URL:
> >
> >http://www.sendmail.org/~gshapiro/8.10.Training/DaemonPortOptions.html<http://www.sendmail.org/%7Egshapiro/8.10.Training/DaemonPortOptions.html>
> >
> >I also attempted to reorganize this post so that it is easier to follow.
> >"Top Posting" really makes following a thread a lot harder than
> >necessary.
> >
> >--
> >
> >Gerard
> >gerard at seibercom.net
> >
> >Hand, n.:
> >
> >         A singular instrument worn at the end of a human arm and
> >         commonly thrust into somebody's pocket.
>
>
Will it also accept mail on port 587 or is it just for submission?
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