Features
SuperMailOS is hosted business email: we run the mail server, the sending IPs and the deliverability work. The parts other tools leave to you are simply included — on every plan, on every domain you connect.
DKIM on every message, SPF and DMARC from the server's own zone, a DMARC report dashboard, new-domain warm-up and sending-IP reputation watched day and night.
/features/deliverability
Domains & aliases→One-click DNS across six hosts (copy-paste anywhere else), records taken from the real server zone and verified live, and unlimited free aliases on every domain.
/features/domains
IMAP & SMTP→Standard IMAP and SMTP over SSL on every plan, with per-client app passwords, so Apple Mail, Outlook, Thunderbird and mobile just work. The webmail is optional.
/features/imap-smtp
Security→TOTP two-factor, session visibility, revocable app passwords and real per-message DMARC/DKIM authentication badges — we never claim a pass we can't back.
/features/security
Want the head-to-head view instead?
See how SuperMailOS stacks up on the comparison pages, or read the product docs.
Add a domain, tap the addresses you want, and reply from one place. The first 14 days are free.