Configuring MailHog =================== You can configure MailHog using command line options or environment variables: | Environment | Command line | Default | Description | ------------------- | ------------- | --------------- | ----------- | MH_HOSTNAME | -hostname | mailhog.example | Hostname to use for EHLO/HELO and message IDs | MH_HTTP_BIND_ADDR | -httpbindaddr | 0.0.0.0:8025 | Interface and port for HTTP server to bind to | MH_MONGO_COLLECTION | -mongocoll | messages | MongoDB collection name for message storage | MH_MONGO_DB | -mongodb | mailhog | MongoDB database name for message storage | MH_MONGO_URI | -mongouri | 127.0.0.1:27017 | MongoDB host and port | MH_SMTP_BIND_ADDR | -smtpbindaddr | 0.0.0.0:1025 | Interface and port for SMTP server to bind to | MH_STORAGE | -storage | memory | Set message storage: memory / mongodb