Spam, campaign statistics and red flag URLs

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 []) by ... From: Udemy <news@udemy.com> Subject: The Photoshop Secret - Master Adobe Photoshop like a Pro...

URL Shortening and Email

Any time you put a URL in mail you send out, you’re sharing the reputation of everyone who uses URLs with that hostname. So if other people send unwanted email that has the same URL in it that can cause your mail to be blocked or sent to the bulk folder. That has a bunch of implications. If you run an affiliate programme where your affiliates use your URLs then spam sent by your affiliates...

Bit.ly gets you Blocked

URL shorteners, like bit.ly, moby.to and tinyurl.com, do three things: Make a URL shorter Track clicks on the URL Hide the destination URL Making URLs shorter was their original role, and it’s why they’re so common in media where the raw URL is visible to the recipient – instant messaging, twitter and other microblogs, and in plain text email where the “real” URL...

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