Re: [exim] Certified Server Validation/Client SMTP Validatio…

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Lähettäjä: John Horne
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Vastaanottaja: Exim users
Aihe: Re: [exim] Certified Server Validation/Client SMTP Validation (CSV)?
On Mon, 2010-02-15 at 13:16 +0000, Jasper Wallace wrote:
> Hi,
>
> I've been wondering about deploying CSV records and was wondering if
> anyone was using it and if anyone has any idea about how widely it's
> been deployed?
>

Hello,

Yes, we use it but I don't think it is widely deployed.

Stats from one of our mailhubs for today so far shows:

    Sending host HELO failed CSA            488     (No. of domains: 2)
    CSA check gave a temporary error:       862
    CSA success:                            0       (No. of domains: 0)


So, it is rejecting sites, although the CSA successes seems to indicate
that it is not used that much (at least for the mail we have received
today)! Most of the CSA failures are for sites claiming to be us.




John.

-- 
John Horne                   Tel: +44 (0)1752 587287
University of Plymouth, UK   Fax: +44 (0)1752 587001