On 17.06.2015 19:09, Sujit Acharyya-choudhury wrote:
> Jeremy
> I want to exclude the obvious sites from which mails are said to be coming,
> but actually do not exist! On a corporate gateway machine, we have do a quick
> check, otherwise queue will build up. We can do sender verify for local users
> only.
sender_verify only does some DNS checks. It won't get any faster than
that. Sounds like you accept and bounce and that's the real issue here.
You want to enable verify for recipients ASAP, on a "gateway machine"
probably with activating callouts.
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