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Freeposte.io
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============
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Simple yet functional and full-featured mail server as a single Docker image.
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The idea behing Freeposte.io is identical to motivations that led to poste.io:
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even though it looks like a Docker anti-pattern, single upgradable image
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running a full-featured mail server is a truly amazing advantage for hosting
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mails on modern cloud services or home-brewed Docker servers.
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People from poste.io did an amazing job at accomplishing this ; any company
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looking for a serious yet simple mail server with professional support should
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turn to them.
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This project is meant for free software supporters and hackers to reach the
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same level of functionality and still be able to host a complete mail server
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at little cost while running only FOSS, applying the KISS principle and being
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able to fine-tune some details if needed.
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How-to run your mail server
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===========================
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*Please note that this image is still in a very early stage. Do not use for
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production!*
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The mail server runs as a single Docker container. A volume should be mounted to ``/data`` for persistent storage. Simply setup Docker on your
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server then run a container with the ``kaiyou/freeposte.io`` image:
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```
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docker run --name=freeposte -d \
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-e POSTMASTER_ADDRESS=admin@your.tld \
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-e MAIL_HOSTNAME=mail.your.tld \
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-e SECRET_KEY=yourflasksecretkey \
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-p 25:25 \
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-p 143:143 \
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-p 587:587 \
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-p 80:80 \
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-v /path/to/your/data:/data \
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kaiyou/freeposte.io
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```
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General architecture
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====================
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The mail infrastructure is based on a standard MTA-LDA :
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* Postfix with an SQLite database for transport ;
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* Dovecot with an SQLite database for delivery and access ;
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* Spamassassin for spam filtering ;
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* ClamAV for malware filtering.
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Additional Web UI :
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* Roundcube Webmail (can easily be replaced) ;
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* Administration UI based on Flask.
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All components are monitored by supervisord.
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