[Dovecot] SSL/TLS with Outlook client

[Steffen Kaiser]

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On Wed, 14 Nov 2007, Nikolay Shopik wrote:

>>> The IMAP spec does not contain an identification of the client application 
>>> to the server. There is no "HELO" as in SMTP.
>> And HELO in SMTP is entirely unreliable, unverifiable, and on many servers 
>> completely skippable.
> RFC says you SHOULD use FQDN for HELO nothing more. But still you can add SPF 
> record for your HELO so nobody can foged your server HELO, thats it.

Well, I brought up HELO as an example just to say that the IMAP protocol 
has no concept at all that a client can say to the server which kind of 
client, e.g. "MS Outlook" vs. "Thunderbird", it is.

Maybe, the user agent string in HTTP would fit better.
Also: unreliable, user-settable, I know.

Bye,

- -- 
Steffen Kaiser
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