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
Select Forum Responses to become Knowledge Articles!
Select the “Nominate to Knowledge Base” button to recommend a forum post to become a knowledge article.
User | Count |
---|---|
1663 | |
1077 | |
752 | |
446 | |
220 |
The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.
Copyright 2024 Fortinet, Inc. All Rights Reserved.