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I am getting SMTP server repsonse 500 error which says currently not permitted to relay 550 through this server in XAMPP in windows ?
I am getting an SMTP server response 500 error on XAMPP in Windows, which says that I am currently not permitted to relay 550 through this server. What does it mean, and how can I fix this issue?
The error message indicates that the server is refusing to process and deliver your email due to a configuration issue. You can try updating the settings or verifying the credentials for the SMTP server you are using.