so yesterday evening I found out about a security issue in opensmtpd. I stopped my servers and reconfigured my #guix machines. Went well on one server, except the new version of smtpd has a new configuration syntax. After updating it, it accepted to start and I had my second MX server running (the first is still down because it's a small ARM machine that's stuck building its kernel :/). Well... guess what happened this morning?
During the night, it tried to send an email to root, which bounced at my server, so it generated a new mail to say it couldn't deliver, which couldn't be delivered either of course. For some reason, monitoring started to go crazy and send mail every 5 minutes, which added to the mess. Not sure if this is me or really bad timing, but here is a graph. I'm so sorry :/
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