Spam Resource: All Things Deliverability

Want to spam everybody who signed up for emails from Wisconsin governor Scott Walker during his failed presidential bid? That'll cost you $10,500 . Makes me wish I had signed up for his email list, so I could see what kind of junk he's allowing people to send through to…

Somebody asked me recently, what is phishing? Instead of re-inventing the wheel, allow me to link to a few of the resources already out there that explain what phishing is and why it is a problem. What is phishing? From Wikipedia : "Phishing is the attempt to acquire sensi…

Yahoo and Gmail both hit the news this past weekend, and not for great reasons. If you're an American Yahoo! Mail user and you want to email your congressman, good luck with that. Congress is apparently blocking access to Yahoo! Mail, in an effort to reduce malware infectio…

Today's guest post comes from deliverability consultant extraordinaire, my friend Josie Garcia. Take it away, Josie! Did you know that senders are in control of many more reputation and vulnerability factors than ESPs? Your ESP is in control of things like setting up an abu…

Over on the Mailop list, a postmaster shared his tale of woe involving sending mail to a small set of recipients whose mail server is behind a Cisco PIX firewall. You can tell if a receiving site is using a Cisco PIX firewall by telnetting to port 25 of the site's MX and s…

Some or all of verizon.net mailboxes are going to move to infrastructure hosted by AOL.  Laura Atkins of Word to the Wise reports that Verizon is saying this only affects users in Florida, Texas and California. My guess is all other Verizon email users' mailboxes will be t…

Today's guest post is from Brian Curry, Manager of Deliverability, for Merkle Inc.. Take it away, Brian! Since July of 2015, Google rolled out a shiny new tool for the Deliverability community to poke around and nerd out. We all know Google hasn’t always been the most trans…