I was wondering how can I change my webmail configuration so that the time it keeps you logged in is longer, since now I am fired after quite a short mail.

You can imagine my feeling when finishing a long email and pressing the SEND button to see that the login screen appears and I have lost my message!!!

And I would like to ask also about the way to change the design of the offered UebiMiau webmail panel (changing background, colors, ...)

Thanks

You can install it within your webspace and change this local copy for your needs.