[Exim] Problem with the RBL-Feature and Dial-Up Hosts authen…

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Author: Dominik Schulz
Date:  
To: exim-users
Subject: [Exim] Problem with the RBL-Feature and Dial-Up Hosts authentificating via SMTP-Auth
Hi,
I'm running a mail-server that's not on my local network and the clients
using this server are authentificating themselves using the SMTP-Auth
feature which works pretty well.
But in conjunction with the RBL feature of exim there seems to a problem.
At this time i'm using a dial-ups RBL in warning mode and everytime the
(authentificated through SMTP-Auth thus valid) clients create a RBL
warning in the logs. I wouldn't care about this but after some time of
evalutating the RBL feature (which also works pretty well for me) i'd
like to switch from warning mode to reject mode but i worry that than
even the valid clients will be rejected.
To make it clear: I want only the (unauthentificated) connections
sending mails TO my host to be checked against the RBLs and not the
clients sending mail TRU my server.

I'm running Exim 3.35 (Debian/woody) and using the following RBL
configuration:
rbl_domains = relays.ordb.org/reject:blackholes.wirehub.net/warn:dnsbl.njabl.org/warn
rbl_log_headers = true  # log headers of accepted RBLed messages
rbl_log_rcpt_count = true       # log recipient info of accepted RBLed messages
recipients_reject_except = postmaster@???


Mit freundlichen Gruessen / Best regards
Dominik Schulz