Forum Discussion
Exchange SMTP Auth Fails with: 451 4.7.0 Temporary server error. Please try again later. PRX5
Office 365 refuses SMTP authentication with error: 451 4.7.0 Temporary server error. Please try again later. PRX5 This is when accessing External Send SMTP AUTH through OAUTH2 authentication. Initia...
How can i check for updates on this? I have this same issue connecting Zoho > smtp with the above error.
Thanks
The issue is related to having Admin.microsoft.com permissions on the user of "Global Admin" Plus anything else. Check the users permissions and remove anything other than global admin, and the problem should go away.
Thank you so much! I have been trying to resolve this issue in Zoho for weeks! Support on both sides offered no help and had no idea how to resolve the issue.
