Resend handles sending. MailOne handles everything else.

Most products built on Resend eventually need the same things: receive replies, thread conversations, track delivery events, parse attachments, build an inbox. There's no good solution for this today - every team writes it from scratch and maintains it forever.

MailOne is a thin layer on top of Resend that gives you all of it through one consistent API. Threads, replies, customer timelines, and webhook normalization - without writing any infrastructure.

Currently validating demand. If you've built this yourself and wished it already existed, join the waitlist.

👉 https://rmx.onl/pkyWV