Well, I knew this was going to happen eventually: Google now has global spam filtering for Google Voice . It works in a way very similar to how ISPs track the sending reputation …
The email authentication protocol  DomainKeys Identified Mail,  aka DKIM, is winding its way through the standards track, and seems to be the future of email authentication. Rece…
SpamTips.org, a website devoted to SpamAssassin Tips ( SpamAssassin being the wildly popular open-source spam filter) recently posted a wonderful DNSBL Safety Report , showing hi…
Gee, ya think THIS will scale? Over on the AOL Postmaster blog , a commenter tells a tale of his alternate method of finding a human at AOL to assist with his spam blocking issu…
I was asked today if Spamcop should be "trusted." After all, even the Spamcop Wikipedia page says that their blocking list is "controversial." Though, is it…
Who are you? Wait -- now I remember you. Long ago, I was visiting some far away city, biding my time in some mall or airport or something, some place where the only option for wi…
The Composite Blocking List, a very popular anti-spam blacklist, reports that the Rustock botnet seems to have been disabled . Spam levels have plummeted as a result. Likely not …
But my email fully complies with CAN-SPAM, the argument goes. How can ISPs be allowed to block my mail? I comply! Here's how. Read section 8C of the CAN-SPAM law . It says:…
Guest post by Neil Schwartzman . Reposted from the Word to the Wise blog with the permission of the author and publisher.   Josh Baer, former VP of Datran Media and current CEO…
On March 5th, Spamhaus announced a change to its DBL (Domain Block List). They're now breaking out a separate category of listings specific to spamvertized URL redirectors t…
Return Path's J.D. Falk reports on Comcast's efforts to let customers know when their home computers are infected: Pushing infectees into walled garden, redirecting them …
Techworld reports: "Once the largest source of the world's spam, China has been gradually fading off the list of the world's top spam-producers. Right now Cisco Syst…
A few days ago, a Slashdot user asked , “ Is there a war on small mail servers? ” The admin went on to state that he or she works for a company hosting their own mail server. The…