Re: [exim] SSL Anomoly? or config error?

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Author: Hill Ruyter
Date:  
To: exim-users
Subject: Re: [exim] SSL Anomoly? or config error?
Hi

I have just successfully configured and tested connections on port 465
although this is from my remote machine (which worked on port 25
previously)

I will test the local when I get home and report

Thanks for the tips

Hill

----- Original Message -----
From: "Dennis Davis" <D.H.Davis@???>
To: <exim-users@???>
Sent: Tuesday, October 31, 2006 5:38 PM
Subject: Re: [exim] SSL Anomoly? or config error?


> On Tue, 31 Oct 2006, Tim Wilde wrote:
>
>> From: Tim Wilde <tim@???>
>> To: Hill Ruyter <hill@???>
>> Cc: exim-users@???
>> Date: Tue, 31 Oct 2006 09:11:28 -0800
>> Subject: Re: [exim] SSL Anomoly? or config error?
>
> ...
>
>> Is the remote client also using Outlook Express, or a different MUA?
>> Outlook Express (at least in prior versions) can only do SSL via an
>> SMTPS port, the default being 465. To get Exim to listen on 465 for
>> SMTPS in addition to the normal port 25 you would need configuration
>> lines like:
>>
>> daemon_smtp_ports = 25 : 465
>> tls_on_connect_ports = 465
>>
>> Local vs. non-local shouldn't make any difference here, so I'm
>> guessing that the remote client wasn't OE, but something more
>> "sane" that can understand the more modern STARTTLS method of
>> doing secured SMTP.
>
> Note that SMTPS is deemed obsolete[1]. Ideally authenticated mail
> clients (not MTAs) will be using encrypted connections to Message
> Submission (RFC 2476) on port 587[2]. So it's better to set up a
> service with:
>
> daemon_smtp_ports = 25 : 465 : 587
> tls_on_connect_ports = 465
>
> if you want to cover all possibilities.
>
> [1] But, sigh, I see plenty of SMTPS connections here.  So I have
>    to offer this service.

>
> [2] Which is what this message uses to start its journey.
> -- 
> Dennis Davis, BUCS, University of Bath, Bath, BA2 7AY, UK
> D.H.Davis@???               Phone: +44 1225 386101

>
> --
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