openvpn is a vpn solution that implements connections for the layer 2 or 3, using the SSL/TLS protocol stack. Configuring a vpn SSL/TLS is a good idea and enhance the security of our communications due to the data cipher using
To improve the security of the communication with the ldap servers, it’s very interesting to configure the protocol SSL/TLS to encrypt all the data across the network. This configuration requires a valid X.509 certificate signed by a CA (certified authority)
Perdition is an IMAP/POP proxy written in C, and it offers map user connections to another mail servers where store the email inbox. The clients will connect to perdition server and this will distribute the connections to the corresponding server.