Mailman Discord Bot

The Discord bot to verify user emails and whitelist specific emails for your server https://unidentifiedx.github.io/Mailman

People add Mailman to their servers mainly for verification. Its invite asks for no permissions at all. About 21 servers use it. Tools like this matter most once a server grows past a few hundred members. No owner has claimed this page yet, so the details come from public listing data. It has been on Discord since 2023.