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Overlap
Email for Multi-platform
Email tools that run on Multi-platform. The Catch for each, not a winner list.
3 tools · the Catch, not a ranking
- PostalMIT self-hosted mail delivery: SMTP + HTTP API
Self-hosted mail delivery SMTP+HTTP API — not Resend hosted tx email, not Plunk Node email, not Listmonk newsletter app. You own deliverability and IP reputation. Distinct from Resend, Plunk, and Listmonk.
- Hyvor RelayAGPL-3.0 email relay; Self-Hosted Free Forever unlimited
Do NOT claim Cloud free. Self-host unlimited is the pitch. Vs Postal full mail server and Plunk Node email. Distinct from Postal and Plunk.
- MailuMIT full mailbox stack: SMTP/IMAP/webmail — not tx API
Full mailbox SMTP/IMAP/webmail — not Resend/Plunk/Postal transactional-or-relay API. Ops-heavy: DNS, TLS, spam, storage. Distinct from Postal, Plunk, and Resend.