U+002Ccb@treehouse.systems
10/26/2025guys named william don't call themselves bill anymore... they call themselves will
guys named william don't call themselves bill anymore... they call themselves will
For people who are curious about how you write Mail.app extensions on a Mac, or looking for a Mail.app extension that makes mailing lists easier to use, good news! I wrote such an extension, and I wrote about my experience developing it.