[Pkg-exim4-users] authenticated ACL

Richard Doyle rdoyle at islandnetworks.com
Fri Oct 28 20:51:14 UTC 2005


In the check recipient ACL of the stock Debian configuration
(30_exim4-config_check_rcpt), the test for authentication of the
incoming SMTP connection (accept authenticated = *) is run next to last,
right before the final "deny message = relay not permitted" stanza in
the ACL. Why does the authentication test run so late in the ACL?

In particular, I use the DNSBL check, which runs earlier in the
check_rcpt ACL, as a blocklist. Because the authentication test runs
later, incoming mail from an authenticated SMTP connection will be
blocked if the sender is listed in the DNSBL blacklist.

Will I break anything if I move the test for SMTP authentication to the
beginning of the ACL?


-- 
Richard Doyle <rdoyle at islandnetworks.com>




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