Author: Sven Hartge Date: To: exim-users Subject: Re: [exim] Discard bounce notification emails before they are sent
Jeroen van Aart <jeroen@???> wrote:
> "recipient verify callout" is a bad thing and it's a shame it was ever
> implemented in exim way back. In fact it caused quite some dislike for
> exim. It needs to be burried and forgotten.
Well, if used to check _internal_ recipients, this is a very useful
feature to prevent late bounces.
I use this on my MXes to check recipients on a mailman listserver to
discard unknown recipients during the transmit phase at the MX and not
later at the listserver.