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0xERR0R/mailcatcher

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mailcatcher

mailcatcher is a small self hosted SMTP server which catches all incoming mails and sends them to a defined mail address. Can be used with dyndns to create own addresses for trash mails. Works fine on Raspberry PI 3!

Installation with docker

  • copy docker-compose.yml
  • change variables (see bellow)
  • run with "docker-compose up -d"
  • configure port forwarding for internet port 25 in your router (for example map internet port 25 to your Raspberry PI's port 1025)

Variables:

Name Description
MC_PORT SMTP listening port. Must match mapped port of container.
MC_HOST email with this host name will be accepted (typically your dyndns host name)
MC_REDIRECT_TO destination address (all mails will be redirected to this address
MC_SENDER_MAIL This address will be used for mail sending
MC_SMTP_HOST use this SMTP server
MC_SMTP_PORT with SMTP Port
MC_SMTP_USER Authentication for SMTP server
MC_SMTP_PASSWORD Authentication for SMTP server

Hints

If you are using GMail SMTP, please activate the usage of insecure apps on https://support.google.com/accounts/answer/6010255?hl=en .