As of Sept 11 my alarm systems stopped sending me notifications via email to sms utilizing NUMBER@tmomail.net. After some troubleshooting we have concluded that the email system is failing:
Could not deliver message to the following recipient(s):
Failed Recipient: NUMBER@tmomail.net
Reason: Remote host said: 452 4.1.0 server temporarily unavailable AUP#MXRT
Is anyone else experiencing this issue? Any idea how to fix it? How to escalate it? We will be missing security/fire/medical alerts!
Best answer by lfolksView original