Matches up with their current Twitter thread:
We're experiencing a network outage. Stay tuned at https://www.fastmailstatus.com . We're in close communication with our provider trying to restore service.
1:34 AM - 1 Aug 2018
We're experiencing a network outage. Stay tuned at https://www.fastmailstatus.com . We're in close communication with our provider trying to restore service.
1:34 AM - 1 Aug 2018