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Error: 550 error mailgun

What's Causing This Error?

This error occurs when there is no active MX Record for the subdomain of the sender's hostname.

Solution - Here's How To Resolve It

To resolve the error, visit your DNS and add the MX records for your subdomains. Afterward, wait about an hour or two to let the record changes propagate. Hereafter, you will not encounter this error.

Other Common Mailgun Errors (and Solutions)

View all errors

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