Spam Resource: All Things Deliverability

Published Monday, April 6, 2026 by Al Iverson. Click here to subscribe.

Relief for marketers? Washington email law amended

Hey, friend! It's that time again! Here's what's happening in the world of email deliverability as found on Al Iverson's Spam Resource. Thanks for reading!

This Week's Featured Story

Relief for marketers? Washington email law amended
If you've been following the legal landscape for email marketing, you're likely aware of the "litigation gold rush" happening in Washington State. Thanks to a strict interpretation of the Washington Commercial Electronic Mail Act (CEMA), even the smallest technical inaccuracies in a subject line could trigger a wave of lawsuits.

And More to Read

When Gmail broke the rules: What a two-day glitch taught us about user intent
Steven Lunniss, Director of Deliverability for email marketing provider Cordial, was able to answer a very important question back in January, thanks to an unexpected glitch. The question: What happens to engagement and subscriber sentiment when ...

Industry: Apple to enter B2B mailbox space, Amazon exits
Here's a quick update on recent comings and goings in the business mailbox provider space. Amazon to wind down Workmail offering ...

DELIVTERMS: Hashbusting
It is time to clarify another technical concept here on Spam Resource, in our series DELIVTERMS, where we decode email and related acronyms and terms, helping you better understand the messaging ecosystem that surrounds you. Today, the word we're defining is: hashbusting. If you have ever seen an email that ends with a strange block of ...

Plus A Bonus Article From the Archives (May 2024)

DELIVTERMS: Google Postmaster Tools (GPT)
It seems like a good day to decode another deliverability acronym. It's DELIVTERMS! The annoyingly random ongoing feature from Spam Resource, where we explain all those confusing deliverability terms.

As always, thanks for reading.

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Mailing address: 1522 W Jarvis Ave, Chicago IL 60626. I am not a lawyer and this is not legal advice. Duh. All opinions are mine alone and do not necessarily represent the views of any group, company, organization or other person. No chimps, bees or clouds were harmed in the crafting of this 100% artisanal and protein free email newsletter.