All I want to do is redirect incoming messages and Can I find out how to do this, not anywhere.
Please put me out of my misery somebody.
Thanks
Redirect how?
To a different folder in your mailbox? You need the managesieve plugin, as well as sieve support on the IMAP server.
To a different email address/account? You need a vacation plugin, and vacation support on the IMAP server.
Both of these additions assume that you run your Roundcube installation and email server. If you are just a user (not an admin), you will need to ask your provider to add this functionality to their email offering.
If you use hmailserver in your account settings tab has forwarding