David Chait <David.Chait@???> (Fr 19 Jun 2009 00:41:22 CEST):
> How would I configure Exim to verify recipients for inbound mail against the delivery smarthost prior to delivering?
Depending on your ACL setup you need something like
verify = recipient/callout
I'd recommend consulting the specs about further options (as
``defer_ok'', ``use_sender'', random tests, timeouts, caching, etc.)
This verification steps uses your router configuration and establishes a
short SMTP session to the (delivery) host. This session ends after
reading the response to "RCPT TO: <...>". So expect more inbound
connections on your internal mail server.
Best regards from Dresden/Germany
Viele Grüße aus Dresden
Heiko Schlittermann
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