After I recently blogged about all of the different email render test tools I know about (including Testi@ ), HTML Email Developer David Gutierrez reached out to share something he built for t…
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Here's a cool tool that a colleague at Valimail created recently, and if you care about protecting against people spoofing your emails through lookalike domains, I think you…
Groups.io is a provider of email discussion group hosting that has been around a good long while ( launched in 2014 ) and serves up rather a lot of email. That gives them insigh…
Swaks has long been my favorite quick and dirty tool for poking at mail servers. It's powerful, flexible, scriptable, and it doesn't hide anything behind a shiny GUI. I f…
Here's a simple-but-cool tool created by Faisal Misle : smtp.codes . smtp.codes is a collection of SMTP response codes returned by email servers and a guide to help you unde…
If you're an email developer or marketer, you know how tricky it can be to get your emails to look right across all the different email clients. Enter Can I Email , an essent…
If you’re curious which ESP or marketing automation platform just sent you a given email message, here are three easy things you can try. First, try the ESP Finder tool from Send…
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…
John Jetmore's cool tool " Swaks ," is billed as a "Swiss Army Knife for SMTP." I've written about it here on Spam Resource before , as I find it to b…
What does Sendview do? As they describe it, they provide "Competitor tracking built for email marketers." (It reminds me of what eDatasource was when it first started.…
Here's a link to DMARCian's DMARC Dictionary . Say that ten times fast! Then bookmark it, because it'll come in handy as you navigate this new world of DMARC. And don…
Do you know about Swaks ? Maybe not! It is perhaps not very widely known, but it is an amazingly useful tool. Swaks, created and maintained by John Jetmore, is billed as a "…
Need help creating your DKIM key? Specifically, the private key file and public key info that you'll publish in DNS? MessageBird (acquirer of Sparkpost (itself the acquirer o…
Julia Evans aka b0rk is somebody smart that I follow on Twitter. She created this super cool tool that I've linked to on social media before, called Mess with DNS , providi…
Remember EML files? Of course you do, but if not, I've blogged on the topic here previously . If you need to edit or view the raw headers or source from an email message, you…
I wanted to take a few minutes to let folks know about this cool website called Email Resources . It’s not just cool because we both use the word "resource" (though tha…
Email developer Andris Reinman has created a cool email authentication library for Node.js that'll help you check a whole bunch of stuff relating to different email authentic…
John Jetmore has updated his super cool "email swiss army knife" tool, Swaks . It now comes with .netrc support (that's a file where you can store login credentials…
