Mailcatcher catches mail and serves it through a dream.
Run with : docker run -d -p 1025:25 -p 1080:80 --name mailcatcher jeanberu/mailcatcher
Deliver mails to smtp://127.0.0.1:1025 et check out http://127.0.0.1:1080 to see them.
When you are using it with docker-compose and a DNS resolver, out of the box you can deliver mails to
smtp://yourdns:25 et check out http://yourdns to see them.
SMTP_PORT Change default SMTP port (default: 25)
HTTP_PORT Change default HTTP port (default: 80)