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Check Letter Opener activity status

If it is not active, get in touch with us over the “Contact Support” link.

Check the Letter Opener banner

A banner on top of the email says “Please purchase Letter Opener”

Enter your license code to register your version of Letter Opener for macOS Mail or buy it here

Letter Opener has encountered an unexpected error

Please forward the message in question to our support team.

How to forward a message to our support team

With the Message open in Mail: go to Message > Forward as Attachment

Send to our support email address “”.

Please note that we can only answer support requests in English language.

We will answer your request as swiftly as we can!