You can always inspect the code and make sure it's backdoor free and has no spying modules. For example it comes with smart filters for various services (apache, exim, ssh, etc) in order to ban any host IP address that makes too many login attempts.This utility provides automated management of autoresponders using email.You need only send it an email, and the subject and body of your message will be used to create an "out-of-office" autoresponder for your mailbox.
If a local username or address is not listed in $local_recipient_maps, then the Postfix SMTP server will reject the address with "User unknown in local recipient table".
Webmin is a web-based interface for system administration for Unix.
Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more.
Thanks to A few quick items before we start: Amavisd-new and Clam AV were installed from the RPMForge repository.
To enable the RPMForge repository do the following (this example is for 64bit systems. 220 mail.ESMTP Postfix ehlo localhost 250-mail.250-PIPELINING 250-SIZE 20480000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN quit 221 2.0.0 Bye Connection closed by foreign host.
The Stream Control Transmission Protocol (SCTP) and the Datagram Congestion Control Protocol (DCCP) also use port numbers.