Launch HN: Plum Mail (YC S20) – Email alternative for group conversations Hello HN! Plum Mail ( https://plummail.co ) is a messaging app that gives you better conversation features than email and instant messengers. These features help make conversations more useful and easier to get value from. Today we're launching Plum Mail in early access. You can join our Wait List to be one of the early users by emailing yesplease@plummail.co. Email is disorganised, instant messaging is distracting and group chats are hard to keep track of. But email is great, because everyone has an email address. Why can’t we build an awesome messaging platform that lets us keep our email addresses? Our insight: keep the email address but replace the emails with something better. The first thing we want to fix is group conversations. Conversations between three or more people in email get messy quickly. We can solve that with the ability to break off-topic messages out into sub-threads or the ability to con...