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Subject: Re: ssmtp
From: Lutz Jaenicke (Lutz.Jaenickeaet.TU-Cottbus.DE)
Date: Tue Sep 19 2000 - 09:28:16 CDT

On Tue, Sep 19, 2000 at 09:30:54AM -0400, Bennett Todd wrote:
> 2000-08-26-19:01:53 Jernej Horvat:
> > On Sat, Aug 26, 2000 at 08:05:11PM +0200, Christian Kurz wrote:
> > > over this ssl-connection. I'm not if postfix supports this, but I think
> > > should be not to hard to set it up.
> >
> > on debian:
> > apt-get install sslwrap
>
> I think there are two different SMTP-with-SSL protocols, one is the
> trivial tunnel over on a separate port; establish SSL connection
> then talk SMTP through it. That's easy to do with any SSL wrapper.
> The other one is negotiated as an extension within the SMTP
> protocol, so it can happen on the same port as regular SMTP; that
> would either require TLS support within Postfix, or else, possibly,
> a very clever wrapper. I don't know if sslwrap does anything
> protocol-specific, but stunnel claims to have some special smtp
> support built in. I haven't played with it yet, though.

The Postfix/TLS patchkit offers both protocols:
  http://www.aet.tu-cottbus.de/personen/jaenicke/postfix_tls

Best regards,
        Lutz 

-- 
Lutz Jaenicke                             Lutz.Jaenickeaet.TU-Cottbus.DE
BTU Cottbus               http://www.aet.TU-Cottbus.DE/personen/jaenicke/
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