This application multicast single email to two other smtp servers.
Could be used, for example, during migration from Mailhog to Maildev.
- SMTP_MULTICAST_PORT - proxy server port, default 1025
- FIRST_DESTINATION_HOSTNAME - first destination smtp server hostname, default localhost.
- FIRST_DESTINATION_PORT - first destination smtp server port, default localhost.
- SECOND_DESTINATION_HOSTNAME - second destination smtp server hostname, default localhost.
- SECOND_DESTINATION_PORT - second destination smtp server port, default localhost.
https://hub.docker.com/repository/docker/czmoku/smtp-multicast