Practical guides, industry tips, and insights to help you keep your lists clean and your deliverability high.
Sending to bad addresses silently destroys your sender reputation. Learn what bounce rates actually cost you and how to fix them.
Not all bounces are created equal. Understanding the distinction can save your domain from being blacklisted.
A step-by-step process for removing invalid, duplicate, and risky addresses from any list — no matter how messy.
Outlook, Hotmail, Live, and MSN all sit under the Microsoft account umbrella. Here's how to tell a real address from a fake one.
gmai.com, outlok.com, hotmial.com — typos cost you real leads. Here are the patterns and how auto-correction works.