Spam Resource: All Things Deliverability

Published Monday, October 6, 2025 by Al Iverson. Click here to subscribe.

Zeta Global buys Marigold enterprise platforms

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

Zeta Global buys Marigold enterprise platforms
It's time to report on more M&A activity in the email marketing platform space. Zeta Global and Marigold have announced that Zeta is acquiring various email marketing platforms from Marigold. These include: Marigold ...

And More to Read

Texas SMS requirements: Talking SB140 with Mickey Chandler
Life (and compliance) can get tricky sometimes for marketers, and here is a perfect example. Texas recently amended SMS marketing requirements in a potentially scary way; the updated compliance requirements even mandate registering with the state and securing a $10,000 bond. But then came a lawsuit filed by nonprofit trade association Ecommerce ...

DELIVTERMS: Alignment
It's time to define another email technology-related term for the DELIVTERMS series here on Spam Resource. Today, what we'll tackle is alignment, something very near and dear to my own heart, as it is such an important component of email authentication success. Alignment is defined in section 3.1 of RFC 7489, the guiding ...

Cloudflare adds Email Sending
I've blogged before about Cloudflare's Email Routing service, how it can route inbound email replies, and how their email authentication requirements help broaden the “no auth, no entry” mandate, requiring that email senders authenticate all emails with SPF and DKIM (and publish DMARC records, too).

Plus A Bonus Article From the Archives (February 2021)

Help! I got spammed! What should I do?
Here's what I think you should do if you've received unwanted spam in your inbox. 1. Most importantly, you should click the "report spam" button offered ...

That's all for now. Got an idea for a future story? Or an email question that I could answer in a blog post? Or just want to share feedback? Please feel free to reply! 😊

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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.