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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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…
A number of weeks ago I started up a new video series. Every week, I publish a new, short (usually) video on Linkedin and on Valimail’s Youtube page , where I answer questions f…
Let's throw some cold water on that hot take, shall we? There's a myth floating around by way of a couple of different hot takes posted to Linkedin. The myth: That, as o…
Microsoft's Exchange Online was suffering from a false positive filtering issue that led it to flag some emails as malware and quarantine them based on a false positive signa…
As you may or may not know, my friend Mickey Chandler , whom I’ve interviewed for this blog previously, recently completed law school and passed the bar in Texas. And now he has…
A reader dropped me an email the other day, asking me if I was interested in being notified if/when he noticed typos here on Spam Resource. Yes, of course! Please do drop me a li…
Sometimes, I'll have a gap in the blog calendar. Sometimes, I will choose to fill that gap with a rubber chicken squeaking a cover of Bad Guy by Billie Eilish. Sometimes, I t…
Ron Dorsey,  Sr. Director, Lifecycle Marketing at Eargo , is somebody that I've known for years. A smart marketer who gets deliverability, and a nice guy to boot! Today he wr…