When you sign up for a Postmark account, we ask you to use a work email. If you...
What the heck is BIMI?
I don’t blame you for asking. Honestly it sounds like a new Scandi-style furniture company, or maybe an...
How blacklists don’t work
Oh, how I love tossing an IP into multirbl.valli.org, a true one-stop-shop to instantly check “all the things.” But...
How to check your domain reputation
While IP reputation is still important, most people are sending mail over an IP shared with other senders....
How to warm up a domain
Perhaps you’ve started a new business, you’re going through a branding shift, or maybe you’re just adding a...