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Hello friends, when I try to connect I get SMTP error code 554. What does it mean?

Hello @Rohitkumar !

554 - Rejected from recipient domain.  Means "Not allowed".  The address in the "Send" or "Send" headers appears to have insufficient send permissions, is invalid, or is not authorized by the authentication used.  Check the recipient's address.


https://serversmtp.com/smtp-error/


Is this issue with the same SMTP server as before or related to the same thing?