Error: mailgun sandbox not sending email
What's Causing This Error?
This error occurs if the email is not listed as an "authorized recipient."
Solution - Here's How To Resolve It
Try adding the recipient as an authorized recipient via the MailGun dashboard and re-send the email to resolve the error.
Other Common Mailgun Errors (and Solutions)
View all errors
Build your first notification in minutes
Send up to 10,000 notifications every month, for free.
Get started for free
Build your first notification in minutes
Send up to 10,000 notifications every month, for free.
Get started for free
© 2024 Courier. All rights reserved.