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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I have an eclectic taste in music, which happens to encompass both Nirvana and classic and modern jazz. So color me delighted to have stumbled across this video highlighting a wo…
In Poland, the biggest local mailbox providers are (if my memory serves me right -- it has been a few years) Wirtualna Polska, Onet, Interia and UPC Polska. Wirtualna Polska, whi…
Hey, it's time for something new to try! Once upon a time, I interviewed Mickey Chandler for the blog, all the way back in February . Since then, he has graduated law school …
Historically, many savvy email marketing senders have known about "IP warming," the practice of appropriately building a positive sender reputation -- and maximizing yo…
Today I offer up a recap of recent deliverability news, as my travels last week to the Email Sender and Provider (ESPC) meeting in Washington DC left me with little time to queu…
Some email marketers do seem to be freaking out about the upcoming changes to Apple Mail after seeing screenshots of inboxes from the forthcoming iOS 18.2 update. I don't thi…
Hey, allow me to put on my Valimail hat for a moment (as you may remember, I work for DMARC provider Valimail) and ask a favor of you: Would you be willing to participate in a s…
An administrator from Open-Xchange recently posted to the Mailop list that they will be taking over mail handling for British internet provider TalkTalk, including the domains …
If you're one of those people who rolls up domains to groupings based on mailbox provider, you'll want to take note of this one. As of sometime in October, the MX record …
Are you having trouble delivering mail to Gmail subscribers? Then you need Google Postmaster Tools . It is the single source of truth when it comes to understanding what Google s…
Launched in 2023, Apple Business Connect was introduced as a way for businesses to manage how their brand and business information was displayed across different Apple applicati…
The Internet Archive is back ... partially. After a data breach and denial-of-service attack brought the site down on October 9th , the service appears to be (somewhat) resurrect…
Deliverability consultant and developer Martin Alexander has something cool to share: Inbound Email (SMTP) to Webhook . What this does is sets up an inbound mail server to captu…
Would you like to make your voice heard? Now's your chance! Marketers are adopting AI tools quickly -- or are they? An upcoming panel for the Email Sender & Provider Coal…
Time for another Tuesday Tip here on Spam Resource. Tuesday Tips are meant to be short little bits of wisdom, easily digestible deliverability knowledge nuggets. Today's to…