Vpopmail

vpopmail is a free GPL software package, to provide an easy way to manage virtual e-mail domains and non /etc/passwd e-mail accounts on your qmail or Postfix mail servers. Originally developed by [http://www.inter7.com Inter7] it has become a large open source project with a large community supporting it.

Benefits

* Support for 1 to 23 million virtual e-mail domains using a "grow as it goes" balanced directory tree.
* Support for 1 to 23 million e-mail users per domain using the same balanced tree structure.
* Automates all qmail configurations into handy and scriptable command line programs and documented API library calls.
* Automates Unix user/group/other permissioning of directories and files.
* Supports authenticated relay control of your qmail smtp server.
* Needs only one user in /etc/passwd for all email accounts.
* Supports name or IP based virtual domains
* Configurable logging.
* Support for MySQL, Oracle, PostgreSQL, /etc/passwd, /etc/shadow LDAP, Sybase, and default cdb authentication storage.
* Delivers directly to Maildir for use with qmail-pop3d, .qmail files or any other Maildir program.
* No need to have hundreds of .qmail files for virtual domains. Each domain gets its own directory under vpopmail user with a unique password file for each domain.
* Documented command line programs that can be used in scripts or for remote admin.
* Documented C library for all vpopmail features and transactions.
* Deamon to allow you to manage mail accounts via TCP/IP control port.

Operating system requirements

vpopmail is known to be running on at least the following operating systems :
* Linux
* FreeBSD
* NetBSD
* OpenBSD
* Solaris
* HP Tru64
* HP UX
* Unixware

External links

* [http://sourceforge.net/projects/vpopmail/ sourceforge page]
* [http://www.inter7.com/index.php?page=vpopmail project homepage]