In the last few days, I’ve spent hours and hours configuring accounts on my private iPhone 6 running iOS 11 in order to attempt to nail down where its connection issues originate.
I’m happy to be able to tell you I seem to have nailed it down, and there’s a quick fix for it, that we can apply on the server-side.
Continue Reading “iOS IMAP Connection Issues Resolved”
Earlier this morning, at 04:38 UTC, one out of the twenty-two IMAP backends in production stopped serving its mail spool, showing Input/Output errors on its disk. Our Standard Operating Procedure is to examine log files, flush vm caches, stop the virtual machine, and start it back up again. This occurred at 05:48 UTC. The IMAP backend in question did not come back up cleanly.
Continue Reading “Incident Report: Backend Down”