I have a samsung galaxy s3.  I have always checked my email with this phone.  Today it would not do anything and all of my mail was gone.  After checking on my computer, which works.  I deleted the account from the phone.  Now it will not let me set up the account on the phone.  when I get to the end... It says unable to connect to the server.  Edit Details.  Everything is right!  Please help as I use this for my business.