Alternatives to Mailpit
An email testing tool that catches outgoing messages over SMTP and shows them in a web interface. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Mailpit
An email testing tool that catches outgoing messages over SMTP and shows them in a web interface.
Replacements
Listings that take over the same core job as Mailpit.
Mailinator
A disposable email service with public inboxes and paid private domains for email and SMS testing.
Mailinator is a hosted service with public inboxes and paid private domains for email and SMS testing, instead of a self-hosted SMTP catcher you run locally.
Also worth comparing
These listings name Mailpit as their own alternative, so the relationship runs both ways.
Postmark Spam Check
A free web tool and JSON API that returns the SpamAssassin score of an email message.
Mailpit is open source and self-hosted, catching outgoing mail with built-in spam checks, though scoring relies on a SpamAssassin setup.
Similar software
Related functionality, not a direct replacement.
Novu
Open-source notification infrastructure that sends in-app, email, SMS, push and chat messages through one API.
MockServer
An open-source self-hosted server for mocking, proxying and recording HTTP, HTTPS and gRPC APIs.
WireMock
An open-source tool for mocking HTTP APIs so you can test without real service dependencies.
XAMPP
Apache, MariaDB, PHP and Perl packaged as one local development stack.
