In the last 2 hours I cannot receive any of the emails.
I've checked the MX Toolbox which retrieved this info:
Connecting to 104.21.4.79
6/22/2021 7:47:39 AM Connection attempt #1 - Unable to connect after 15 seconds. [15.05 sec]
LookupServer 15052ms
Can you tell me what's happening with email?