Email Verification

Email Verification

What Is a Catch-All Email Address and How Do You Detect One?

Overview A catch-all email address is a domain setting that accepts mail sent to any address at that domain, even if the specific mailbox does not ex…

Muhammad Ziauldin

Jul 11, 2026 7 min

Email Verification

Single Opt-In vs Double Opt-In: Which Is Better for You?

Overview Single opt-in adds a subscriber to your list the moment they submit a form, while double opt-in sends a confirmation email first and only ad…

Muhammad Ziauldin

Jul 11, 2026 8 min

Email Verification

Should You Email Role Accounts Like info@ and support@?

Overview Role accounts are shared email addresses like info@, support@, and sales@ that belong to a team or function rather than a single person. Thi…

Muhammad Ziauldin

Jul 11, 2026 7 min

Email Verification

How to Check If an Email Address Is Real Without Sending One

Overview You can check whether an email address is real without ever sending a message to it. Verification tools inspect an address in layers, from …

Muhammad Ziauldin

Jul 11, 2026 7 min

Email Verification

How to Spot and Block Disposable Email Addresses

Overview Disposable email addresses are temporary, throwaway inboxes that people use to get past a signup form without giving out their real address.…

Muhammad Ziauldin

Jul 11, 2026 7 min

Email Verification

How Does an Email Verification API Work?

Overview An email verification API is a service your application calls to check whether an address is real and deliverable, returning a verdict in re…

Muhammad Ziauldin

Jul 11, 2026 9 min