EMAIL ALERTS have stopped working

Hello is anyone experiencing any problems with the email alerts, all my alerts are down and i have contacted erpnext support twice but no response, They stopped all of a sudden today. i need these alerts to monitor my warehouses.

Robert
Pickmix

We did not receive your mails. Are you a subscriber?

Maybe your general email sever must be down.

Hello Mr Mehta , yes i am a subscriber , my general email server is not down please. It just seems not to be working