Category · How-to guides

How-to guides

Practical guides on email verification, sender reputation, and keeping your lists clean. Written by the MailoClean team.

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How-to guides 3 min read

Mailchimp will charge you for unengaged subscribers. Here is the right way to clean an audience without removing the people who actually open.

AD Admin

May 28, 2026

How-to guides 3 min read

Got a column of emails in Excel or Google Sheets? Here are three ways to verify them, ranked from quickest to most thorough.

AD Admin

May 25, 2026

How-to guides 3 min read

Microsoft 365 is the catch-all king. Here is how to verify Outlook and corporate Microsoft email addresses and what to do with risky results.

AD Admin

May 20, 2026

How-to guides 3 min read

Gmail is the trickiest mailbox to verify. Here is exactly how to check if a Gmail address exists without sending a single email.

AD Admin

May 19, 2026

How-to guides 4 min read

A practical 2026 guide to verifying email addresses: what each check actually does, how SMTP verification works, and the fastest way to clean a list.

AD Admin

May 17, 2026

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