Check out this neat thing: Email Privacy Tester
Smart web developer and systems admin Mike Cardwell put together something neat that I think you'll want to check out: Email Privacy Tes...Read More
DMARC does only one thing (but pretty well)
DMARC (specifically, DMARC with a p=reject policy) does one thing: It makes it very difficult for somebody to use your domain in a from addr...Read More
OpenDKIM & SpamAssassin Gotchas on Ubuntu 12.04
Allow me to share with you my rough notes compiled during my recent configuration of email and DKIM on a new Ubuntu VPS installation. Hopefu...Read More
106 miles to Chicago
If you've ever set up catch-all domain names, that accept mail destined to any address, or set up your MTA in a way where all mail i...Read More
Blast from the past: Challenge/Response Filtering?
A few weeks ago, somebody on the Mailop list asked about an email they received. Turns out, it was a Challenge/Response spam filter. You kno...Read More
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