Spam Resource: All Things Deliverability

Today, I've invited email marketing pro Walker Matko an opportunity to connect with Spam Resource readers to assist with his job hunt. Here's why you should consider hir…

Here’s a fun-but-simple exercise: Take the list of top 10 million domains. Look for all of the domains for a given country’s TLD, in this case, .jp. Let’s look at the MX records …

Author Domain Signing Practices (ADSP) is an add-on to DKIM email authentication. It provided domain owners with the ability to define a policy that asks mailbox providers to di…

It is with great sadness that I share that my friend and marketing industry colleague Chip House has passed away. He left this world Saturday morning with his family by his side…

The maintainers of the "NixSPAM" blocklist (with a DNSBL zone of ix.dnsbl.manitu.net) have decided to shut down. As of January 16, 2025, their website at  nixspam.net  …

For those interested in BIMI (Brand Indicators for Message Identification) sender logos, you likely already know that for maximum possible display of your BIMI sender logo, you …

Here it is, the first episode of "Fun with Data" for 2025. Today, I present to you a link to a downloadable list containing the top Microsoft Outlook.com (Microsoft OLC…

Here's a lightly anonymized version of a true story that I overheard recently: Sender reaches out to big ISP X, asking for help with deliverability issues. ISP offers to inve…

Back a few months ago, we warned all you email marketing senders to hold off on making any significant changes to your sending infrastructure and marketing strategy, so as not to…

It's always great to see another mailbox provider supporting BIMI sender logos! This time around, it is French telecommunications provider SFR (Société Française du Radiotélé…

Davey Winder writing for Forbes recently shared a tale of woe brought to his attention wherein an email sender points out that email messages they're sending to Gmail subscr…

Do you want to help protect and improve the email ecosystem? Well, you're in luck! Because for my most recent Valimail "Ask Al" video , I sat down with rock star de…

A gentleman named Florian Effenberger , a long time "free and open source software enthusiast," has put together a neat little guide on email reputation and deliverabil…

Here are my predictions for what I think the deliverability landscape will look like in 2025. People always ask for these types of predictions and no matter what we think, they e…

It's time for yet another walk down memory lane! This time around I just wanted to quickly recap a few of the important things that happened in the world of deliverability in…