Re: [exim] Default enabling of dnsdb

On Wed, 6 May 2009, Mike Cardwell wrote:

> Quite a lot of domains have an SPF record of "v=spf1 -all". I never
> found out *why* this is the case, but it is.
>
> That particular SPF record is a clear policy of "This domain DOES NOT
> send mail," so you don't have to worry about email forwarding or any of
> the other issues with SPF.
>
> You can use that quoted rule at any point after and including
> "acl_smtp_mail" to reject email with domains in the sender envelope,
> containing that SPF record.

I might be being slow today ... why as late as acl_smtp_mail? Can it not
be used in the rcpt acl?

Jethro.

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Jethro R Binks
Computing Officer, IT Services, University Of Strathclyde, Glasgow, UK