Author: Suresh Ramasubramanian Date: To: exim-users Subject: [Exim] Re: how to block mail spammers, without accepting it first on the mai l server
+++ Ward, John (GroupWare) [exim-users] <20/02/02 15:37 +0200>: > Hello, How would I be able to block incoming mail from certain hosts (
> possibly in a text file) right up front when they are still handshaking ?
sender_reject
or if these guys are coming from a fixed IP / range of IPs, use rbldns
(http://cr.yp.to/djbdns/rbldns.html) to set up a local dnsbl that exim
queries.