Open source alternatives to SendGrid
SendGrid is a hosted service for sending transactional email.
3 projects
- postal3.3.7postalserver/postal
📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail
17k starsMITRubyDockerReleased 5 months ago - plunkv0.18.0useplunk/plunk
The Open-Source Email Platform
5.6k starsAGPL-3.0TypeScriptDockerReleased 14 days ago - stalwartv1.1.0stalwartlabs/stalwart
All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).
15.9k starsRustDockerReleased 5 days ago