Name: Postfix
HomePage: http://www.postfix.org/
Function:  Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users

Name: OpenSSL
HomePage: http://www.openssl.org/
Function: developed for transmitting private documents via the Internet using cryptographic a system

This allows the information found in the 'mail' attribute on your Active Directory tree to be drawn down into a postfix alias formatted file.

Name: Postfix
HomePage: http://www.postfix.org/
Function: (message transfer agent) postfix is program responsible for receiving incoming e-mails and delivering the messages to individual users

Name: PAM
HomePage: http://www.kernel.org/pub/linux/libs/pam/
Function: Linux-PAM (Pluggable Authentication Modules for Linux)

Were going to setup a e-mail server using postfix as our smtp server, dovecot as our pop3/imap server, ClamAV as out anit-virus and MailScanner as out e-mail anti-virus scanner on a fedora core 3 box & ilohamail as out webmail client.

Name: Dovecot
HomePage: http://dovecot.org/
Fuction: Dovecot is an open source IMAP and POP3 server for Linux/UNIX-like systems, written with security primarily in mind.

Name: Clamav
HomePage: http://www.clamav.net
Fuction: An open source anti-virus

Name: Postfix
HomePage: http://www.postfix.org/
Fuction:  Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users

Name: MailScanner
HomePage: http://www.mailscanner.info/
Fuction: Scans all incomming and outgoing e-mails useing the system's anti-virus.

Name: Ilohamail
Homepage: http://blog.ilohamail.org/
fuction: Webmail client, used to check e-mails from anywhere in world, via the internet, like gmail or hotmail

OpenLDAP is a directory server based on the LDAP protocol, that same protocol M$ Active Directory is based on. It is used to store user information in an easily accessible database that can integrate into different applications. Postfix is a Mail Transfer Agent that will use the ldap database to look up users and aliases.

Name: OpenLDAP
HomePage: http://lam.sourceforge.net/
Function: OpenLDAP is an open source implementation of the Lightweight Directory Access Protocol

Name: Postfix
HomePage: http://www.postfix.org/
Function:  Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users