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amavisantispamantivirusdockerdocker-mailserverdovecotfail2banimapldapletsencryptmailmailserveropendkimopendmarcpostfixpostgreysaslauthd-ldapsmtpspamassassinssl
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bin | ||
postfix | ||
spamassassin | ||
test | ||
.gitignore | ||
.travis.yml | ||
docker-compose.yml.dist | ||
Dockerfile | ||
LICENCE | ||
Makefile | ||
README.md | ||
SSL.md | ||
start-mailserver.sh |
docker-mailserver
A fullstack but simple mail server (smtp, imap, antispam, antivirus...).
Only configuration files, no SQL database. Keep it simple and versioned.
Easy to deploy and upgrade.
Includes:
- postfix with smtp auth
- courier-imap with ssl support
- amavis
- spamassasin
- clamav with automatic updates
Why I created this image: Simple mail server with Docker
informations:
- only config files, no *sql database required
- mails are stored in
/var/mail/${domain}/${username}
- you should use a data volume container for
/var/mail
for data persistence - email login are full email address (
username1@my-domain.com
) - user accounts are managed in
./postfix/accounts.cf
- aliases and fowards/redirects are managed in
./postfix/virtual
- antispam rules are managed in
./spamassassin/rules.cf
- files must be mounted to
/tmp
in your container (seedocker-compose.yml
template) - ssl is strongly recommended, read SSL.md to use LetsEncrypt or Self-Signed Certificates
- includes integration tests
- builds automated on docker hub
installation
docker pull tvial/docker-mailserver
build
docker build -t tvial/docker-mailserver .
run
docker run --name mail \
-v "$(pwd)/postfix":/tmp/postfix \
-v "$(pwd)/spamassassin":/tmp/spamassassin \
-v "$(pwd)/letsencrypt/etc":/etc/letsencrypt \
-p "25:25" -p "143:143" -p "587:587" -p "993:993" \
-e DMS_SSL=letsencrypt \
-h mail.domain.com \
-t tvial/docker-mailserver
docker-compose template (recommended)
mail:
image: tvial/docker-mailserver
hostname: mail
domainname: domain.com
ports:
- "25:25"
- "143:143"
- "587:587"
- "993:993"
volumes:
- ./spamassassin:/tmp/spamassassin/
- ./postfix:/tmp/postfix/
- ./letsencrypt/etc:/etc/letsencrypt
environment:
- DMS_SSL=letsencrypt
Volumes allow to:
- Insert custom antispam rules
- Manage mail users, passwords and aliases
- Manage SSL certificates
usage
docker-compose up -d mail
client configuration
# imap
username: <username1@my-domain.com>
password: <username1password>
server: <your-server-ip-or-hostname>
imap port: 143 or 993 with ssl (recommended)
imap path prefix: INBOX
auth method: md5 challenge-response
# smtp
smtp port: 25 or 587 with ssl (recommended)
username: <username1@my-domain.com>
password: <username1password>
auth method: md5 challenge-response
todo
Things to do or to improve are stored on Github, some open by myself. Feel free to improve this docker image.
wanna help?
Fork, improve, add tests and PR. ;-)