How to send an email via telnet

Run the command telnet [host] port for example: -telnet mail.domain.tld 25 Right after the connection is established

HOW TO: CTRL-ALT-DEL via RDP

Did you ever needed to use CTRL-ALT-DEL through a Remote Desktop Connection?

Block An Ip / host via .htaccess

You can deny acccess to a vhost just by adding the following lines in a .htaccess file: