So unfortunately, I've been tasked with setting up an Ubuntu server to send and receive email (amongst other things). My friend is hosting the Ubuntu VM on his box, but has only done limited setup ...

I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords.

This is weird, when i do a apt-get install postfix .... dpkg goes thru configuring and tries to add a user and group. So it asks for a password two times (why, wtf, im root already) first time is ...