May 16, 2024
KAM Ruleset 20 Year Anniversary
The McGrail Foundation is proud to celebrate it's 20 Year Anniversary of providing the KAM Ruleset to help combat email spam threats. The KAM Ruleset has been in active use and development from May 2004 to now and hopefully into the future with the help of our sponsors. On the 20 Year ... Read More
Apr 01, 2024
April Fools Day News Article
Ever gone to your office and just felt like ignoring everyone for a day? Ever just really want to talk to only the people that want to give you more work? Well, worry no longer, The McGrail Foundation is working on the very first Human Spam Detetctor. It'll be as simple as a little keychain ... Read More
Mar 04, 2024
How are you handling Broadcom’s End of General ...
On February 13, 2024, Broadcom, who recently acquired VMWare from Dell, announced the End of General Availability (EOGA) for the Free vSphere Hypervisor (ESXi 7.x and 8.x) without offering an equivalent replacement product. What was ESXi? ESXI was a free bare-metal hypervisor that helped manage ... Read More
Jan 26, 2024
Google and Yahoo! Deadline Approaching for Email ...
In just a few days on February 1st, 2024, Yahoo! and Google will be attempting a crack down on spammers by enforcing authentication requirements for domains sending more than 5,000 emails per day. Specifically, BOTH Google and Yahoo! will require DKIM and SPF to be properly implemented. ... Read More
Jan 08, 2024
Happy New Year 2024
The McGrail Foundation would like to join everyone in welcoming in the New Year. The foundation is happy to have been able to assist in keeping the world safer from more scams and spam in 2023 and cheers to continuing this trend into 2024. In order to continue operations and provide our work, ... Read More
Nov 30, 2023
Sponsor Spotlight: Linode+Akamai
The McGrail Foundation is pleased to thank Linode+Akamai for their continued support and sponsorship. Due to their continued support with donating the servers that support The McGrail Foundation, we are able to provide our Wild RBL for free for anyone to use. The McGrail Foundation ... Read More
Mar 21, 2023
ANNOUNCE: KAM Ruleset Turning PCCC Wild RBL Back On
The Foundation is pleased to announce that users of the KAM ruleset will once again have the free use of the PCCC Wild RBL. The RBL was previously removed from use due to its popularity. Thanks go to for donating the servers and as always thanks to PCCC for the datafeed. The ... Read More
Sep 01, 2021
Do we Need to Prove Phishing Works?
At the McGrail Foundation, we believe that education is the best way to help users safer in a world of scams not testing users with fake phishes. For example, in September 2020, the Chicago Tribune wanted to test its cyber defenses by phishing their employees. The only problem? The phishing email ... Read More
Aug 27, 2021
MIMEDefang Releases Version 2.85
MIMEDefang is a highly flexible and configurable email filter program that was originally written by Roaring Penguin and Dianne F. Skoll. It is maintained by the McGrail Foundation. With the release of MIMEDefang version 2.85 this week, we wanted to produce a quick start. More can be found ... Read More
May 19, 2021
Contribute at No Cost with Amazon Smile
Want to help make a difference while you shop in the Amazon app, at no extra cost to you? Simply follow the instructions below to select "McGrail Foundation" as your charity and activate AmazonSmile in the app. They'll donate a portion of your eligible mobile app purchases to us. How it works: ... Read More
Dec 28, 2020
Sponsor Spotlight: runbox
The McGrail Foundation is proud to announce that runbox has become a sponsor of supporting the Apache SpamAssassin ruleset that helps protect so many people every day. Below is a note from the managing Director, project manager, and developer at runbox: Geir Thomas Andersen: ... Read More
Nov 26, 2020
Announcing the Apache SpamAssassin Channel for the KAM ...
Happy Thanksgiving, The McGrail Foundation is proud to announce the immediate availability of the channel for the KAM rule set. The rule set has been free and available to improve Apache SpamAssassin installations for going on 17 years now. It includes rules for common spam as well as ... Read More
Oct 28, 2020
McGrail Foundation October Sponsor Spotlight: INKY
The McGrail Foundation is proud to announce that INKY has become a sponsor of supporting the Apache SpamAssassin ruleset that helps protect so many people every day. INKY leads the industry in mail protection powered by unique computer vision, artificial intelligence, and machine ... Read More
Aug 20, 2020
The McGrail Foundation is Seeking Sponsors for Bug ...
Bugs are a common problem in all software. Bug bounties are commonly used by companies to prevent exploits by 'bad actors' by paying ethical hackers to discover the bugs to be fixed. Just this year Microsoft paid $13.7m in bug-bounty payouts. The McGrail foundation is seeking to do the reverse ... Read More
Jul 15, 2020
Apache SpamAssassin Leads A Growing List of ...
Over the past few weeks, a heated debate has arisen on the Apache SpamAssassin users list regarding the replacement of racially charged terms like “whitelist” and “blacklist” used in the Apache Spamassassin Project’s code with more inclusive language. Certain ... Read More
Jul 08, 2020
2020 CARES Act Brings Important Changes for Charitable ...
The McGrail Foundation is seeking funds for three initiatives: 1) To develop and publish a free, open source cybersecurity curriculum 2) To continue developing rules for Apache SpamAssassin 3) Online Financial Literacy and Safety for teens, elderly and underserved populations The CARES Act ... Read More
Jun 08, 2020
Linode Donates Virtual Machines to Support our ...
Linode provides simple and affordable cloud computing. The McGrail Foundation is pleased to annouce that Linode has donated 3 years of hosting for two servers to support our Honeypot and Apache SpamAssassin Channel updates for Read More
May 08, 2020
Net::validMX Donated to The McGrail Foundation
Net::validMX v2.5.0 is released and the project has moved to The McGrail Foundation Net::validMX is a PERL Module to use DNS and/or regular expressions to verify if an email address could be valid. We are pleased to announce the release of v2.5.0 with numerous bug fixes as well as moving the ... Read More
Mar 05, 2020
AppRiver donates MIMEDefang to The McGrail Foundation
Today, we are proud to announce that the MIMEDefang project has been donated to The McGrail Foundation. This includes source code, website, and domains. However, due to the COVID-19 Pandemic, the integration of this project is going to take some time! Please keep an eye out on the MIMEDefang ... Read More
Jun 14, 2019
iSpark IT Services
Thanks to iSpark IT Services and Nitin Shrivastav for their help in designing The McGrail Foundation Website and our new logo. Read More
Jun 20, 2018 Donated to McGrail Foundation
Since 2004, the Apache SpamAssassin ruleset has been provided for free to help battle spammers. Today, it is incorporated into numerous commercial platforms and protects hundreds of millions of mailboxes daily. As of today, has been donated and moved over to The McGrail Foundation ... Read More