It’s not often spammers send me their campaign statistics, but on Tuesday one did. The spam came “from” news@udemy.com, used udemy.com in the HELO and message-ids and, sure enough, was advertising udemy.com: Received: from udemy.com (unknown [198.20.115.217]) by ... From: Udemy <news@udemy.com> Subject: The Photoshop Secret - Master Adobe Photoshop like a Pro...
July 7, 2016
Spam, campaign statistics and red flag URLs
07July