Hi All,
Is there a way to use the SURBL-way of BL checking with other lists like the Spamhaus lists, so that all the URL's mentioned in the body of the mail are also checked by the SBL-XBL lists of Spamhaus?
Or maybe a new SURBL list can act as a copy of SBL-XBL?
I don't quite understand...
SURBL checks urls, based on their textual domain name. It uses the spamcop reporting system to collect URLs to list, but doesn't check the spamcop blacklist.
sbl, and most other blacklists, check IP addresses. Also, since these lists are focused on mailservers and exploited boxes used in spamming, they generally won't have the IPs of the web-host in them anyway.
You'd be doing several extra DNS queries (resolve www.mypills.com to an IP, then resolve that IP against SBL), and it's not clear you'd have a decent hitrate, since SBL/XBL isn't intended to list the targets of your query.
