The MailSure blog
Email verification, deliverability and clean lists
Practical guides for marketers and developers who want their email to reach real people.
Basics2 min read
How MX records work (and why we check them)
MX records tell the world which servers accept mail for a domain. Checking them is the first real test of whether an address can receive email.
Basics2 min read
Typos in email addresses: the silent signup killer
A mistyped address means a lost customer who never knows why they didn't get your email. Here is how common typos are and how to catch them.
Basics2 min read
Email validation vs email verification: is there a difference?
The two terms are used interchangeably, but there is a useful distinction. Here is how to think about it and which one you actually need.
Basics2 min read
What is email verification and why does it matter?
Email verification checks whether an address is real and can receive mail, before you send to it. Here is what it covers and what it can't do.