Message could not be delivered to recipient.The node gave the following reason (in the language of the node):554 5.7.1 : Relay access deni

Dear All,

I'm facing some issues in testing alerts(rsalertest) and not receiving the mail in my inbox.I'm getting below errors.

Basically my requirement is settingup alerts for errors in xml messages(sxmb_moni) to popup in my inbox.

The message could not be delivered to recipient . The node gave the following reason (in the language of the node):554 5.7.1 <email addr>: Relay access deniSystem ResponseProcessing was ended normally.Additional information of the node used (in the system language of the node):554 5.7.1 <email addr>: Relay access deniProcedure

Please find below Screen shots for the same.

Please help.Thanks in advance.