User Databases
==============
After a user has been successfully authenticated, Dovecot looks up the user's
userdb information. The userdb lookup is also done by <LDA.txt> to find out how
to deliver mails for the user.
The user database lookup returns these fields:
* *uid*: User's <UID> [UserIds.txt] (UNIX user ID)
* *gid*: User's <GID> [UserIds.txt] (UNIX group ID)
* *home*: <Home directory> [VirtualUsers.txt]. Although not required, it's
highly recommended even for virtual users (see the link).
* *mail*: <Mail location> [MailLocation.txt] (if needed to override the
default 'mail_location' setting)
* Optional <extra fields> [UserDatabase.ExtraFields.txt] which are passed to
the IMAP/POP3 process in environment variables.
The user and <password databases> [PasswordDatabase.txt] may be the same or
they may be different depending on your needs. You can also have <multiple
databases> [Authentication.MultipleDatabases.txt].
Currently supported user databases are:
* <Passwd> [AuthDatabase.Passwd.txt]: System users (NSS, '/etc/passwd', or
similiar)
* <Passwd-file> [AuthDatabase.PasswdFile.txt]: '/etc/passwd'-like file in
specified location
* <NSS> [UserDatabase.NSS.txt]: Name Service Switch
* <LDAP> [AuthDatabase.LDAP.txt]: Lightweight Directory Access Protocol
* <SQL> [AuthDatabase.SQL.txt]: SQL database (PostgreSQL, MySQL, SQLite)
* <Static> [UserDatabase.Static.txt]: Userdb information generated from a
given template
* <VPopMail> [AuthDatabase.VPopMail.txt]: External software used to handle
virtual domains
* <Prefetch> [UserDatabase.Prefetch.txt]: This assumes that the passdb already
returned also all the required user database information
(This file was created from the wiki on 2011-01-13 04:52)
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