4.1 Create Router   Step 1: # vim /etc/sysctl.conf  net.ipv4.ip_forward = 1 Step 2: run this command  # sysctl -p     4.2 Squid Configuration   #apt-get install squid Minimum Configuration: # vim /etc/squid/sq…

At the Email Client Software (Outlook) change the authentication in your account settings from "Clear Text Authentication" to other option. Step:1 # vim /etc/dovecot/conf.d/10-auth.conf # allow plain text auth         …

Dovecot Configuration with postfix MTA Here I am going to show the basic installation and configuration of a Pop server with Postfix MTA. Step: 1 #apt-get install dovecot-common dovecot-imapd dovecot-pop3d –y Step: 3 # vim …

Postfix Configuration: Here we are going to configure a SMTP mail server with Postfix.  Step: 1 # apt-get install postfix Ø   Select Internet side:     Ø   Put the domain nam…