It is Veeam Monitor 126.96.36.1991
The error is unable to authenticate
It looks like a an authentication error but I can map a drive to the server so I am guessing the Windows 2008R2 server Veeam is on is not communicating to the mail server correctly. I have disabled the firewall to rule it out but I am still seeing the error.
08/22/12 06:24:07 Inform 0x0BC8 alarms"Send email: recepients = email@example.com;, Sender mail/name = Veeam_Monitor@myaddress.com, Server = myserver.fqdn:25, Use Auth = 0, Login = , Subject = [Veeam Monitor] Alarm - Guest disk space"
08/22/12 06:24:07 Error 0x0BC8 alarms"Failed to send test email message.
Error description: Failure sending mail.Unable to connect to the remote server"