SQMail All-In-One

All-in-one S/QMail server with

• s/qmail
• spam filter
• dovecot (imap/pop)
• web admin
• Roundcube
• Fetchmail

Usage

Docker

docker run \
  --name sqmail-aio \
  --publish 80:80 \
  --publish 88:88 \
  --publish 25:25 \
  --publish 465:465 \
  --publish 587:587 \
  --publish 110:110 \
  --publish 995:995 \
  --publish 143:143 \
  --publish 993:993 \
  --volume /opt/mail_data/qcontrol:/var/qmail/control \
  --volume /opt/mail_data/ssl:/ssl \
  --volume /opt/mail_data/domains:/var/vpopmail/domains \
  --volume /opt/mail_data/vpopmail_etc:/var/vpopmail/etc \
  --volume /opt/mail_data/log:/log \
  --volume /opt/mail_data/spamassassin:/var/spamassassin \
  --volume /opt/mail_data/tmp:/var/qmail/tmp \
  --volume /opt/mail_data/qusers:/var/qmail/users \
  --volume /opt/mail_data/queue:/var/qmail/queue \
  --volume /opt/mail_data/qalias:/var/qmail/alias \
  --volume /opt/mail_data/domainkeys:/var/qmail/ssl/domainkeys
  semhoun/sqmail_all-in-one

Docker Compose

version: '3.8'

services:
  sqmail-aio:
    image: semhoun/sqmail_all-in-one
    volumes:
      - ./data/qcontrol:/var/qmail/control
      - ./data/ssl:/ssl
      - ./data/domains:/var/vpopmail/domains
      - ./data/vpopmail_etc:/var/vpopmail/etc
      - ./data/log:/log
      - ./data/spamassassin:/var/spamassassin
      - ./data/tmp:/var/qmail/tmp
      - ./data/qusers:/var/qmail/users
      - ./data/queue:/var/qmail/queue
      - ./data/qalias:/var/qmail/alias
      - ./data/domainkeys:/var/qmail/ssl/domainkeys
    ports:
      - 80:80
      - 88:88
      - 443:443
      - 25:25
      - 465:465
      - 587:587
      - 110:110
      - 995:995
      - 143:143
      - 993:993

Initialization

Docker

docker run \
  --rm -it \
  --env SKIP_INIT_ENV=1 \
  --volume /opt/mail_data/qcontrol:/var/qmail/control \
  --volume /opt/mail_data/ssl:/ssl \
  --volume /opt/mail_data/domains:/var/vpopmail/domains \
  --volume /opt/mail_data/vpopmail_etc:/var/vpopmail/etc \
  --volume /opt/mail_data/spamassassin:/var/spamassassin \
  --volume /opt/mail_data/qusers:/var/qmail/users \
  --volume /opt/mail_data/queue:/var/qmail/queue \
  --volume /opt/mail_data/qalias:/var/qmail/alias \
  --volume /opt/mail_data/domainkeys:/var/qmail/ssl/domainkeys
  semhoun/sqmail_all-in-one /opt/bin/init.sh
  
docker run \
  --rm -it \
  --env SKIP_INIT_ENV=1 \
  --volume ./mail_data/ssl:/ssl \
  --publish 80:80 \
  semhoun/sqmail_all-in-one /opt/bin/init-certs.sh

Docker Compose

docker compose run -e SKIP_INIT_ENV=1 --rm sqmail-aio /opt/bin/init.sh
docker compose run -e SKIP_INIT_ENV=1 --rm sqmail-aio /opt/bin/init-certs.sh

Docker configuration

Environment

• SKIP_INIT_ENV - Skip all initialization of docker_entrypoint (like directory, spamassassin, clamav)
• DEV_MODE - Currently remove some clamav databases

Volumes

• /ssl - SSL Certificates
• /var/qmail/control- QMail config files
• /var/vpopmail/domains - Domains (mail) data
• /var/vpopmail/etc- vpopmail config files
• /log - Log directoy
• /var/spamassassin- SpamAssassin
• /var/qmail/tmp- QMail temporary directory (best if tmpfs)
• /var/qmail/users - QMail user file
• /var/qmail/queue - QMail queue
• /var/qmail/alias - QMail alias (for local users)
• /var/qmail/ssl/domainkeys - Domain DKIM private and public keys

Ports

• 80 - Webmail (roundcube) and SSL Acme certs
• 88 - HTTP admin (https and security not provided)
• 443 - SSL Webmail (roundcube)
• 25 - SMTP
• 465 - SMTPs
• 587 - Submission
• 110 - POP3
• 995 - POP3s
• 143 - IMAP
• 993 - IMAPs

Useful File Locations

• /ssl/acme - Letsencrypt SSL data (remove to renew certs installation)

• /ssl - SSL Certificates

  • /ssl/http.key - Webmail Key
  • /ssl/http.crt - Webmail Certificate
  • /ssl/imap.key - IMAP Key
  • /ssl/imap.crt - IMAP Certificate
  • /ssl/pop.key - POP3 Key
  • /ssl/pop.crt - POP3 Certificate
  • /ssl/smtp.key - SMTP Key
  • /ssl/smtp.crt - SMTP Certificate

• /opt/bin/init.sh - Initialisation script

• /opt/bin/init-certs.sh - Certs initialisation script

• /opt/bin/mkdkimkey.sh - DKIM key creation

  • usage /opt/bin/mkdkimkey.sh [-p] <domain>
  • Print domainkey with -p, without create domain keys
  • You can split the result here: https://www.mailhardener.com/tools/dns-record-splitter

• /var/qmail/control/dkimdomains - DKIM domains

• Sending domains other than the default domain and with they own key must be added in this file

• For more information see https://www.fehcom.de/sqmail/man/qmail-dksign.html

• /opt/bin/tester.sh - Check is IMAP POP SMTP Clamav and SpamAssasin was working

  • usage tester.sh <test mail recipient> -doit

Built With

• qmail-autoresponder 2.0
• clamav 1.2.1
• dovecot 2.3.21
• ezmlm-idx 7.2.2
• fehQlibs 23
• fcron 3.3.1
• qmailadmin
• qmail-autoresponder 2.0
• Roundcube 1.6.4
• SpamAssassin 4.0.0
• s6 2.11.3.2
• SQMail 4.2.28
• VPopMail
• vqadmin
• acme.sh 3.0.7
• fetchmail

Testing

Manual SMTP

You can test the SMTP part with Swaks A simpe test mail could be done with this:

swaks --to <to mail> --from <from email> --server <qmail aio host name>

Auto

You can check IMAP POP SMTP Clamav and SpamAssasin configuration inside the docker with tester.sh script. A valid mail account must used (a temporay is also created for testing). Docker must be running during the tests.

Docker

docker exec -it sqmail-aio /opt/bin/tester.sh <receipient email> -doit

Docker compose

docker compose exec sqmail-aio /opt/bin/tester.sh <receipient email> -doit

Find Me

• GitHub
• DockerHub

Authors

• Nathanaël Semhoun - Docker creation - semhoun

License

This project is licensed under the MIT License - see the LICENSE.md file for details.

Acknowledgments

This docker use sources and patches from

• http://cr.yp.to
• https://www.fehcom.de/sqmail/sqmail.html
• https://notes.sagredo.eu
• https://github.com/brunonymous/vpopmail
• http://skarnet.org/software/s6/index.html
• http://fcron.free.fr
• http://untroubled.org/qmail-autoresponder/