please help me!
i have host on server and this configure for mail :
Verifying MX Records and Setting up Databases...Reconfiguring Mail Routing:
* BACKUP MAIL EXCHANGER: This server will serve as a backup mail exchanger for xxx.com' s mail.:
This configuration has been manually selected.
but when i want send mail i see this error :
There was an error sending your message: Failed to add recipient: firstname.lastname@example.org [SMTP: Invalid response code received from server (code: 451, response: Temporary local problem - please try later)]
how can i fix it?