Re: [Exim] Sender Verification with Callback

On Thu, Nov 29, 2001, I. Forbes wrote:
> Hello All
>
> I am busy having a look at the functionality of "Sender Verification
> with Callback".
>
> The documentation recommends this for low volume sites only.
>
> I assume if a sender is rejected, that the rejected address will end
> up on a "hints" database and thus not be tested over and over.
>
> However is there a "positive" hints database feature that will record
> the names of successful call back tests, and remember these
> addresses for a period, so as to lower the amount of load on the
> box?

Doesn't seem so.

sourceforge is testing my box 2 (up to 4) times whenever I send a
mail to them. I now unsubscribed from their mailing lists, this
seems to be too stupid (they don't want to use dsn.rfc-ignorant.org).

PS: they test 2 times for envelope and header sender address,
even though both MX records point to the same machine.
Sometimes they test 4 times, I don't know why...