Re: [fetchmail-users] strange polling errors

[Jerry <fet...@se...>]

On Mon, 28 Feb 2011 19:05:07 +0100
Matthias Andree <mat...@gm...> articulated:

> However, Jonathan stated earlier he had difficulties determining the
> Exchange server's version.  Exchange 2003 as provided by Alice DSL
> Germany greets me with "version 6.5.mumble" in case that helps.

I was surprised to discover that servers are not required to disclose
their versions.

   "SMTP server implementations MAY include identification of their
   software and version information in the connection greeting reply
   after the 220 code, a practice that permits more efficient isolation
   and repair of any problems.  Implementations MAY make provision for
   SMTP servers to disable the software and version announcement where
   it causes security concerns.  While some systems also identify their
   contact point for mail problems, this is not a substitute for
   maintaining the required "postmaster" address (see Section 4)."

http://www.ietf.org/rfc/rfc5321.txt

Microsoft does by default configure its Exchange servers to display
their version information. However, any admin can easily modify that. I
don't know of anything that the OP can do to alleviate that problem.

-- 
Jerry ✌
Fet...@se...

Disclaimer: off-list followups get on-list replies or get ignored.
Please do not ignore the Reply-To header.
__________________________________________________________________