dsn=4.3.0, stat=Deferred: 451-Sender host (41.78.83.238) not yet authorized to deliver from 451-<neagada@frcnigeria.gov.ng> to <olumide.adeboyejo@procentriciq.com>. Please 451 try again later.
Hello Team,
Help someone should explain what this error means.
Regards,
Firdausi
Nominating a forum post submits a request to create a new Knowledge Article based on the forum post topic. Please ensure your nomination includes a solution within the reply.
Hi,
Nothing serious at first; 4xx error codes are temporaries, and could indicate several causes, i.e. capacity problems, greylisting , etc
Keep on eye on it and mailqueue, specifically if mail keeps trying or change to a permanent failure (error codes 5xx)
regards
/ Abel
Thank you abelio
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