Your IP is: 3.80.177.176

Message delivery to the host XX.XX.XX.XX failed while delivering to the remote domain ezref.info for the following reason: The remote SMTP service rejected AUTH negotiation.

SCENARIO:

Local SMTP server forwarding all emails to a SMART HOST. 

ERROR:

Logname: system

Source: SMTPSVC

Level: Warning

EventID: 4006

RESOLUTION:

Ensure that the SMART HOST server name is set correctly.