i'm attempting to setup a webmail login page into wordpress nonetheless i havent found a method to get it done, i have admit i am wordpress rookie and so i may be thinking things wrong, have you got any advice what direction to go?

Can there be any wordpress plugin that allows a webmail login?

I am afraid the simplest method of doing this is to create your personal wordpress plugin. It is easy to create a wordpress plugin that contributes an optiosn page after which edit the choices page to mirror the webmail login.