An email (SMTP) server that accepts all emails and shows them in a web interface.

Inspired by the now apparently defunct mockemail project. License: GPL3+

• code by Jioh L. Jung ziozzang@gmail.com

docker build -t mockmail .
docker run \
  --name=mockmail \
  -d --restart=always \
  -p 25:25 -p 2580:2580 \
  mockmail

mockmail is written in Python 3. Legacy support for 2.6+ is maintained at the moment. mockmail requires no external dependencies.

To install mockmail on your system, run

sudo make install

By default, mockmail runs a the SMTP server on port 2525. The mails received on that port can be seen on http://127.0.0.1:2580/ , from the local machine only.

To change this configuration, edit /etc/mockmail.conf and restart mockmail with service restart mockmail. Common changes are:

• Set smtpport to 25 to not require any configuration. Make sure you disable your old MTA (you can find it with $ netstat -ltpn | grep :25) before restarting.
• Set httphost to "" to allow anyone to access the web interface. Alternatively, you can let your webserver proxy mockmail. Currently, mockmail cannot serve its content over IPv6 due to a limitation in the Python HTTP server.

Alternatively, you can run mockmail manually, like this:

./bin/mockmail.py

Use the -c option to provide a configuration file.