Anyone knows free email hosting options that allow custom domains?

Haven't seen free ones, but there are really cheap ones. I just got a shared hosting plan for like $3 p/m (from a shared web hosting provider) and I've got like 10 domains and 15+ inboxes hooked up.

Zoho mail let's you do that

Gmail! I just set this up with my GoDaddy domain this morning:… Edit: Just realized what you're asking so this probably won't cut it. 😬

I use! It's free 👍

Yep, but "[...] 10 outgoing messages per day which include a discreet signature "Sent via Migadu" at the bottom of each message."