Also see notmuch [1] for a frontend-agnostic tagging/search system that also works great for multi-gigabyte maildirs. I use it with the Emacs client and lieer [

Also see notmuch [1] for a frontend-agnostic tagging/search system that also works great for multi-gigabyte maildirs. I use it with the Emacs client and lieer [2] for populating the maildir and syncing tags with Gmail labels using the Gmail API, which is a lot more reliable than offlineimap for me. [1]: https://notmuchmail.org/ https://notmuchmail.org/ [2]: https://github.com/gauteh/lieer https://github.com/gauteh/lieer