Postfix mynetworks setting

[Keith Smith]

Hi,

I am configuring Postfix and Dovecot on Ubuntu 14.04lts.  I think I am 
close.

I'm using the https://help.ubuntu.com/lts/serverguide/serverguide.pdf 
and the Postfix docs.

The docs say I should set mynetworks in the main.cf file like this:

mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.0.0/24

I assume since this is a web sever I do not need 192.168.0.0/24.

Am I correct?

Thanks!!
Keith