Gnus: get emails from a remote server via SSH

[.]

Hello there,

I have two machines: a server that uses Postfix and a client. (The
latter doesn't have a static ip.)

I'd like to use Gnus on the client to read / send / store emails.
Looks like that the easiest (and secure) way to do this is to use SSH.
There is a related guide [1], but I know neither Emacs Lisp nor sh.

I also want emails to be automatically deleted from the server after
the synchronization.

Could you help me with this?
(Please provide code if possible.)

My server-side configuration can be found here [2].

I've already tried to ask here [3].

[1] 
http://www.gnu.org/software/emacs/manual/html_node/gnus/Mail-Source-Specifiers.html#Mail-Source-Specifiers
[2] 
https://groups.google.com/group/gnu.emacs.gnus/browse_thread/thread/013fd87d1f1238ac
[3] 
https://groups.google.com/group/gnu.emacs.gnus/browse_thread/thread/09e2b771ea9102ad

Thanks