I worked for AOL and was laid off due to outsorcing in tech, and now I work for the Blackberry department at TMO. Here is what I think the root cause is: for many email accounts your outgoing server has to be that of the isp (in this case RIM/Tmo). An example of this is when I am at school, my outgoing server is through the school. When I am at home, my outgoing server is through my isp. If I do not go into outlook to change this, I can not send email (although I recive emails fine.) So, the only way to send email is to somehow have rim (or maybe TMO) be your outgoing server; I do not belive you are going to be able to do this, but you can try. Some email servers don't need to have this set up, because they support what I belive is called "migration," (although I could be wrong on the termanolgy.) Aol will not help you in this set up (they only support the client. KW:imap is your only resource in aol.) For windows mobile device, we get around this problem with aol, by setting up TMO as the outgoing server. This is done my going to the "myemail setup" at mytmobile.com. Try changing your phone to a windows mobile phone to get the correct options (remember this is not the set up my blackberry email.") From there add your aol account and disable notifications. Next, goto you outgoing server on outlook and set it up as "myemail.t-mobile.com" Make the username for your outgoing server your mobile number:1 so, it would look like this. 5555555555:1. Your outgoing server password will be your email password and you must check that the outgoing server requires authentication.
This is the only thing that might work for you. TYou may not have access to "myemail," so this may not work, or you may have to have rim as the out going server, so this may not work. but it is something to try! Good luck, and repost if you have questions!!!!