Email Sending Services
Self-hosted email sending services
7 of the 51 email sending services in this directory can be self-hosted, according to their own sites.
5 of them are free or have a free plan.
Listings checked up to Nov 13, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| useSendOpen-source email sender built on Amazon SES | Free plan · from $10/mo | Yes | Web |
| Forward EmailOpen-source email forwarding and hosting for custom domains | Free plan · from $3/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| PlunkOpen-source email platform for transactional and marketing mail | Free plan · from $0.001 | Yes | Web |
| Hyvor RelayOpen-source email API you can self-host | Free plan · from €10,000/yr | Yes | Web |
| EmailEngineSelf-hosted REST API for Gmail, Microsoft 365 and IMAP mailboxes | Free trial · from $199/mo | Trial only | Web |
| MailerQSelf-hosted mail transfer agent for high-volume email sending | Free trial · from €10,000 one-time | Trial only | Web |
| KumoMTAOpen-source mail server for high-volume, self-run email sending | Free plan · from $5,000/yr | Yes | Linux |
Common questions
Which email sending services can be self-hosted?
7 of the 51 email sending services in this directory can be self-hosted, according to their own sites. They are useSend, Forward Email, Plunk, Hyvor Relay, EmailEngine, MailerQ and KumoMTA.
Which of these email sending services are free?
useSend, Forward Email, Plunk, Hyvor Relay and KumoMTA are free or have a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Nov 12, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.