The EmailVerifyerAPI Blog
Email deliverability, decoded.
Field notes on email verification, list hygiene and getting into the inbox, written by the small team building EmailVerifyerAPI in Montréal.
Latest articles
View all →Your email list is decaying faster than you think
Roughly 22% of a list goes stale every year as people change jobs and abandon inboxes. Here’s how to measure the rot and slow it down.
Disposable emails: spot them before they wreck your metrics
Throwaway inboxes inflate signups and tank engagement. A look at how disposable domains work and the signals that give them away.
Should you ever email info@ and support@ addresses?
Role-based addresses behave nothing like personal inboxes. When they’re worth keeping, when they’re a liability, and how to treat them.
The six checks behind every EmailVerifyerAPI verdict
Valid, risky, or invalid: that label is the sum of six signals. We break down each one and what it tells you about an address.
Why we run verification entirely in your browser
Most verifiers ship your list to a server. We didn’t want to. A note on the privacy trade-offs and the engineering it took.
A pre-send checklist for your next campaign
Eleven things to confirm before you hit send, from authentication records to a final scrub of the recipient list.
Stay sharp
Deliverability tips, once a month.
Short, practical notes on keeping your lists clean and your mail in the inbox. No spam. We would be embarrassed.