Re: [exim] BT Internet, Yahoo!, DKIM...?

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Συντάκτης: David Sharpe
Ημερομηνία:  
Προς: Exim Users
Αντικείμενο: Re: [exim] BT Internet, Yahoo!, DKIM...?
Hi John,

Funnily enough I have just investigated the same issue. I have
contacted Yahoo regarding it via a form on their website as instructed
by the deferred message in our email logs.
I suspect this will fix it.

Dave


John Robinson wrote:
> A substantial amount of my outgoing mail for Yahoo! is being delayed,
> some of it for a long time, by their odd implementation of greylisting.
> Well, I think that's what it is; they say they don't greylist, in the
> usual sense - defer everything at the first attempt, then accept on the
> second - but they certainly do something weird involving deferring mail:
> sometimes they accept first time, other times they defer a dozen times.
> I wouldn't care if it was just Yahoo! webmail, but since they run all
> the mail systems for BT Internet, this is potentially quite irritating
> to my clients.
>
> I've just set up SPF records for some of my domains. Any idea if this
> will help?
>
> If not, do I need to do DKIM on my outgoing mail? Is there a handy
> explanation and how-to? Neither experimental-spec nor the wiki page hold
> my hand quite enough; I feel like I'm not quite getting it.
>
> Many thanks,
>
> John.
>
>
>