Category · Developer resources

Developer resources

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

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Developer resources

Developer resources 4 min read

What is an MX record? Explained for non-engineers

MX records sit at the heart of email delivery, but most senders never look at one. Here is the plain-English explanation.

AD Admin

May 29, 2026

Developer resources

Developer resources 4 min read

SPF, DKIM, DMARC: the complete setup guide for 2026

Gmail and Yahoo now require all three. Here is the no-fluff setup guide for SPF, DKIM, and DMARC, with the common gotchas that break authentication.

AD Admin

May 23, 2026

Developer resources

Developer resources 5 min read

Email verification API: how to integrate one in your app (with code)

A practical guide to integrating an email verification API: authentication, request shape, response handling, retries, and signup-form patterns with copy-paste code.

AD Admin

May 5, 2026

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