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Dbmail-2 as of 2.1.0 supports ldap for authentication and delivery information.
NOTICE:
If you have an existing userbase in sql that you which to migrate to ldap-auth, you
must make sure that the uidNumber in ldap is the same as the dbmail_users.user_idnr
in sql. If your tables are in MySQL/innoDB or PostgreSQL, and you have a proper cascade
setup for the foreign key in dbmail_mailboxes like:
CONSTRAINT dbmail_mailboxes_ibfk_1 FOREIGN KEY (owner_idnr)
REFERENCES dbmail_users (user_idnr)
ON DELETE CASCADE ON UPDATE CASCADE
you should be able to issue simple UPDATE statements to reset the user_idnr values in sql.
LDAP-SCHEMA:
I'm providing an example dbmail.schema file that should get you started.
CONFIGURATION:
dbmail.conf contains some new ldap items:
---
"BIND_DN"
This is the Distinguished Name of the user who has read and write access to the LDAP
server.
example: BIND_DN=cn=admin,dc=mydomain,dc=com
"BIND_PW"
The plain text password of the account above.
example: BIND_PW=password
"BASE_DN"
The root or starting point from which searches will be conducted. All searches
use the SCOPE option to search everything in this base and below.
example: BASE_DN=ou=People,dc=mydomain,dc=com
"PORT"
The port number that the LDAP server is listerning on. By default, 389 for
insecure and 636 for secure, however secure LDAP is currently unsupported.
example: PORT=389
"HOSTNAME"
The hostname of the LDAP server. May be an IP address.
example: HOSTNAME=ldap
"SCOPE"
The search scope for ldap searches.
example: SCOPE=SubTree
"USER_OBJECTCLASS"
The object class to use as a search filter for users.
example: USER_OBJECTCLASS=top,account,dbmailUser
"FIELD_UID"
The field which contains the user login name of the user. Required.
example: FIELD_UID=uid
example: CN_STRING=uid
"FIELD_QUOTA"
The field which contains the quota, in bytes, of the user. Not required.
example: FIELD_QUOTA=mailQuota
"FIELD_PASSWD"
The field which contains the password of the user. Not implemented.
example: FIELD_PASSWD=userPassword
"FIELD_MAIL"
The field which contains the primary email address of the user. Required.
example: FIELD_MAIL=mail
"FIELD_NID"
The field which contains the user id number of the user. Required.
example: FIELD_NID=uidNumber
example: MIN_NID=10000
example: MAX_NID=15000
"FIELD_CID"
The field which contains the group id number of the user. Not required.
example: FIELD_CID=gidNumber
example: MIN_CID=10000
example: MAX_CID=15000
"FORW_OBJECTCLASS"
example: FORW_OBJECTCLASS=top,account,dbmailForwardingAddress
"FIELD_FWDTARGET"
The field which contains a destination email address for forwarding mail.
example: FIELD_FWDTARGET=mailForwardingAddress
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