Affected
Operational from 1:15 PM to 1:24 AM
This incident has been resolved for several days, we just wanted to leave the issue open until we felt good about it.
There are instances of "condition check lookup defer" and "temporary local problem" on this server. cPanel has assigned this an incident number, https://support.cpanel.net/hc/en-us/articles/4410449210519-Dovecot-restart-causes-message-delivery-failure-with-error-condition-check-lookup-defer