Courier Mail Server is a e-mail server. Contains Web and SOCKS servers.

Major Features:

- SMTP and POP3 services

- Web server with PHP support (HTTP service)

- proxy server (SOCKS service)

- system service operation mode

- support of multiple mail domains

- flexible sorting and antispam mail filtering

- antivirus integration

- user and domain aliases

- alias-based mailing lists

- domain mailboxes and domain forwarding

- mailing to fixed servers (smart hosts)

- direct mailing to recipients' servers (MX delivery)

- restricted forwarding of external mail (antirelay)

- limited size of sent messages and number of recipients

- automatic re-sending of outgoing mail

- notifications of undelivered or infected messages

- view of outgoing mail list with delete feature

- separation of access rights on client IP addresses

- limited number of incoming/outgoing connections

- view of connections list with disconnection feature

- mail collector from remote mailboxes

- scheduler with external application run feature

- copying of all passing mail to the certain address

- mail processing using external applications (archiver, antispam)

- remote access (RAS dial-up)