Kerry,
The first thing to do is verify the network configuration on the Review
Board server. It’s the server which is experiencing these timeouts.
If you don’t need DMARC for your emails, you could also change the settings
for email delivery to avoid the DNS lookup here. That said, if DNS is
Occasionally clients to our RB 5.0.4/Ubuntu 22.04 get a HTTP 500 Internal
Server Error when posting to RB. It appears email notifications do not go
out when this occurs but the posting to RB is successful. Below is the RB
log showing a traceback that seems to go back to a DNS timeout. Anyone
