Spam Resource: All Things Deliverability
Since 2001, a blog and email newsletter published by Al Iverson. With over 500,000 words, collected in 1500+ articles and viewed more than four million times (so far), focused on the topics of email deliverability, email authentication and DMARC, stopping spam, dealing with spam folder and spam blocking issues, complying with modern sender requirements, and much more. Thanks for visiting!

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Were you worried about using the word free in your subject line? What about in ALL CAPS?! What about extra exclamation points!!! Are you offering an opportunity to make money fas…
As I've done for a while now, I continue to track DMARC adoption month-by-month by caching DNS data (including DMARC records) for the " top ten million domains " da…
Yahoo's Clea Moore just posted to the " Postmaster @ Yahoo & AOL " blog reminding folks that anyone wanting to receive spam complaints via their Complaint Feed…
Once upon a time, the email marketing platform I worked on had three body content parts in the editor: the text version, the HTML version, and ... the AOL version! Because, once …
I admit that I am not sure what Google Trends is/was. So I asked Wikipedia , which told me that "Google Trends is a website by Google that analyzes the popularity of top sea…
Hey, look! It's another mailbox provider adding support for BIMI logos, which is always wonderful to see. This time around it's Zoho Mail , who hosts mail for more than …
It's time for the first installment of a new series:  Tiny Tip Tuesday.  And today, I've got BIMI logos on my mind. A BIMI logo, meant to show up in email clients next t…
Is this the beginning of the end of pre-headers? It might be! Watching today's Apple Event (September 9th) highlighting new iPhones and Apple Watch and Airpods updates, I no…
It's time to define another deliverability term here on Spam Resource! And this time around, as part of the DELIVTERMS series (where I define those confusing email technology…
Google has sent out at least two notices letting folks know that LSA (less secure application) support for Google Workspace accounts is coming to an end. That means, I think, th…
Jazz pianist and composer Herbie Hancock is one of those musical artists who constantly looked to recreate himself musically, significantly changing his musical style multiple ti…
If you've ever gotten down and dirty, deep into the guts of email technology, you know what Quoted-Printable is. If not, be informed that it is a type of content coding quit…
Who hosts what mail? MBP Spotlight is the series here at Spam Resource ranking the top mailbox providers (including B2B) based on their counts of MX records in the top ten milli…
The US Federal Trade Commission very recently announced that they’re imposing a $2.95 million fine against security camera firm Verkada for, among other things, violating CAN-SP…
Black Friday and Cyber Monday (BFCM) are coming! And believe it or not, the time to begin preparation for deliverability success is NOW! BFCM is the big game, the big leagues for…