Postmark

Instantly check the spam score of your email messages

Have you ever wanted to process the spam score of incoming or outgoing email messages, but didn’t want the hassle of managing SpamAssassin? Now you can use our lightweight JSON API and instantly integrate spam score processing in your app.

This service is provided for free from Postmark, the transactional email service for web apps.

API Documentation
or

Hint Learn how to get full headers.

Your email’s SpamAssassin score:

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