[clug] postfix with smarthost using TLS/Authentication

Daniel Black daniel.subs at internode.on.net
Fri Feb 3 10:34:07 GMT 2006

On Wed, 1 Feb 2006 10:56 pm, David Collett wrote:
> Hi all,
> I use postfix on my ubuntu laptop to send mail to a
> smarthost/relayhost. The relayhost is my ISP's SMTP server.
> Mail is collected from the ISP pops server using fetchmail,
> and mutt is my MUA. This is a nice setup which I've been using
> for a while.
> I recently changed ISP's to internode and noticed that they have a
> secure SMTP server (securemail.internode.on.net) which uses "SSL and
> authentication". This allows you to connect to it securely, and from
> anywhere (think wireless hotspots, hotels etc).
> Does anyone know how to setup postfix to talk to this server? I have
> tried a few things based on the postfix TLS and SASL documentation
> without success. My postfix just connects (3way handshake) then sits
> there doing nothing till it times out. I assume that what the internode
> server does (smtps, port 465) is not the same as the full TLS stuff
> described in the postfix doco.
> I tried evolution with "Server requires authentication" and "Use Secure
> Connection" and that works fine, but I want my postfix!!

I'm thinking postfix to an outgoing local port with stunnel to tunnel this to 

BTW I've asked Internode to place their server certificate on their web page 
too and that's currently in the hands of their web team.

> Any ideas?
> Dave


Daniel Black
Proudly a Gentoo Linux User.
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