the archives within notmuch itself.
If you prefer real-time chat, there is often someone on the
-[#notmuch](irc://chat.freenode.net/#notmuch)@irc.freenode.net IRC channel. Don't
+[#notmuch](irc://irc.libera.chat/#notmuch)@irc.libera.chat IRC channel. Don't
ask if you can ask a question, just ask, and please wait for an answer, we might
not be in your timezone.