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Exim - block incoming mail from blacklisted IPS only

I would like to check for blacklists only for incoming e-mail. I have users who usually get dynamic IP's which are blacklisted so they are not able to send the e-mail if I turn the blacklist option ...
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1answer
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Windows 2012 Essentials DNS problems querying certain RBLs

I'm running a mail server, Smartermail (SM) on Windows 2012 Essentials. The server is also doing DNS, but has no other roles. The DNS server is using the root hints and has no forwarders configured. ...
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0answers
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Postfix RBL lookup fails to trap all connections for a listed IP address

Our mail server is getting large amounts of spam from net blocks assigned to Enzu Inc. We're running Postfix 2.6.6, configured to check spamhaus and barracuda RBLs. Here is the relevant part of my ...