RBLTag Archive

Introduction SORBS (Spam and Open Relay Blocking System) is a DNS-based Realtime Blackhole List (DNSBL) used to identify IP addresses associated with spam activity, open relays, and other unwanted mail sources. By integrating SORBS with Exim, incoming SMTP connections can be checked against the blacklist database before accepting email. If… Continue Reading Configuring Exim with the SORBS RBL Blacklist