mirror of
https://github.com/docker-mailserver/docker-mailserver.git
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125 lines
3.5 KiB
Markdown
125 lines
3.5 KiB
Markdown
---
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title: 'LDAP Authentication'
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---
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## Introduction
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Getting started with ldap and this mailserver we need to take 3 parts in account:
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* POSTFIX
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* DOVECOT
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* SASLAUTHD (this can also be handled by dovecot above)
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## Variables to Control Provisioning by the Container
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__POSTFIX__:
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* `LDAP_QUERY_FILTER_USER`
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* `LDAP_QUERY_FILTER_GROUP`
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* `LDAP_QUERY_FILTER_ALIAS`
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* `LDAP_QUERY_FILTER_DOMAIN`
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__SASLAUTHD__:
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* `SASLAUTHD_LDAP_FILTER`
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__DOVECOT__:
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* `DOVECOT_USER_FILTER`
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* `DOVECOT_PASS_FILTER`
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!!! note
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This page will provide several use cases like recipes to show, how this project can be used with it's LDAP Features.
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## LDAP Setup - Kopano / Zarafa
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```yaml
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---
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version: '2'
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services:
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mail:
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image: tvial/docker-mailserver:latest
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hostname: mail
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domainname: domain.com
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container_name: mail
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ports:
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- "25:25"
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- "143:143"
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- "587:587"
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- "993:993"
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volumes:
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- maildata:/var/mail
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- mailstate:/var/mail-state
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- ./config/:/tmp/docker-mailserver/
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environment:
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# We are not using dovecot here
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- SMTP_ONLY=1
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- ENABLE_SPAMASSASSIN=1
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- ENABLE_CLAMAV=1
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- ENABLE_FAIL2BAN=1
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- ENABLE_POSTGREY=1
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- SASLAUTHD_PASSWD=
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# >>> SASL Authentication
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- ENABLE_SASLAUTHD=1
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- SASLAUTHD_LDAP_SERVER=<yourLdapContainer/yourLdapServer>
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- SASLAUTHD_LDAP_PROTO=
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- SASLAUTHD_LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc
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- SASLAUTHD_LDAP_PASSWORD=mypassword
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- SASLAUTHD_LDAP_SEARCH_BASE=dc=mydomain,dc=loc
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- SASLAUTHD_LDAP_FILTER=(&(sAMAccountName=%U)(objectClass=person))
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- SASLAUTHD_MECHANISMS=ldap
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# <<< SASL Authentication
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# >>> Postfix Ldap Integration
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- ENABLE_LDAP=1
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- LDAP_SERVER_HOST=<yourLdapContainer/yourLdapServer>
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- LDAP_SEARCH_BASE=dc=mydomain,dc=loc
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- LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=loc
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- LDAP_BIND_PW=mypassword
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- LDAP_QUERY_FILTER_USER=(&(objectClass=user)(mail=%s))
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- LDAP_QUERY_FILTER_GROUP=(&(objectclass=group)(mail=%s))
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- LDAP_QUERY_FILTER_ALIAS=(&(objectClass=user)(otherMailbox=%s))
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- LDAP_QUERY_FILTER_DOMAIN=(&(|(mail=*@%s)(mailalias=*@%s)(mailGroupMember=*@%s))(mailEnabled=TRUE))
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# <<< Postfix Ldap Integration
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# >>> Kopano Integration
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- ENABLE_POSTFIX_VIRTUAL_TRANSPORT=1
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- POSTFIX_DAGENT=lmtp:kopano:2003
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# <<< Kopano Integration
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- ONE_DIR=1
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- DMS_DEBUG=0
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- SSL_TYPE=letsencrypt
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- PERMIT_DOCKER=host
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cap_add:
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- NET_ADMIN
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volumes:
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maildata:
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driver: local
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mailstate:
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driver: local
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```
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If your directory has not the postfix-book schema installed, then you must change the internal attribute handling for dovecot. For this you have to change the `pass_attr` and the `user_attr` mapping, as shown in the example below:
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```yaml
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- DOVECOT_PASS_ATTR=<YOUR_USER_IDENTIFYER_ATTRIBUTE>=user,<YOUR_USER_PASSWORD_ATTRIBUTE>=password
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- DOVECOT_USER_ATTR=<YOUR_USER_HOME_DIRECTORY_ATTRIBUTE>=home,<YOUR_USER_MAILSTORE_ATTRIBUTE>=mail,<YOUR_USER_MAIL_UID_ATTRIBUTE>=uid, <YOUR_USER_MAIL_GID_ATTRIBUTE>=gid
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```
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The following example illustrates this for a directory that has the qmail-schema installed and that uses `uid`:
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```yaml
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- DOVECOT_PASS_ATTRS=uid=user,userPassword=password
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- DOVECOT_USER_ATTRS=homeDirectory=home,qmailUID=uid,qmailGID=gid,mailMessageStore=mail
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- DOVECOT_PASS_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active))
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- DOVECOT_USER_FILTER=(&(objectClass=qmailUser)(uid=%u)(accountStatus=active))
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```
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