Suddenly Outgoing mails stopped. with below error
Error : Exchange Toolbox – queue Viewer
4.4.0 Primary Target IP Address Responded with: “535 Authentication Credentials invalid.” Attempted to failover to alternate host, but that did not succeed. Either There are no Alternate hosts, or delivery failed to all alternative hosts.
Image may be NSFW.
Clik here to view.
Solution – Smart Host Authentication – Credentials were invalid
In Send Connector Properties . Smart host authentication password was changed. Had to Update the new password.
Without any service restart mail flow started flowing.
Optional – Restart Transport service to refresh.
Image may be NSFW.
Clik here to view.
The post 535 Authentication Credentials invalid on Outgoing mails appeared first on CareExchange.in.
