Weird. Let's Encrypt usually sends out a bunch of reminders shortly before this happens, but I didn't get any this time. 🤔 I guess I need to double-check all my spam filters and maybe set up a little extra monitoring.
Thanks for the heads-up, though. Hopefully all is good now.
I think I've mentioned this before, but the cert here is kind of like a dead man's switch for me, and it's one thing that I manually refresh every few months. If it stays broken for too long, you can probably write me off as a goner.