mailpit-integration

Test email sending locally in .NET Aspire by integrating Mailpit to intercept outgoing emails. This captures SMTP traffic during development, allowing you to inspect messages and verify rendered HTML without spamming real recipients.

Capture and inspect outgoing emails during integration testing by routing SMTP traffic to a local Mailpit instance. It provides a web UI and API to view intercepted messages, inspect headers, and verify HTML rendering safely.

Yes, Mailpit works with .NET Aspire and MailKit for SMTP testing. The integration deploys a containerized Mailpit instance via Aspire's AppHost and configures MailKit to send emails to its local endpoint for capture.

The best way to prevent real emails from sending during .NET development is using a local email capture tool like Mailpit. It intercepts all outgoing SMTP traffic, ensuring test messages are never delivered to actual recipient inboxes.

Configure SMTP settings for a containerized Mailpit instance in Aspire by adding Mailpit to your AppHost and pointing your email sender implementation to its local endpoint. This setup allows the client to capture outgoing messages.