SquirrelMail Time out issue
If you are using Squirrel mail and often encounter a disconnection problem with SquirrelMail interface, then you need understand that SquirrelMail session gets disconnected after a certain period of time. This usually happens around 10-15 minutes after logged into the interface without clicking on any buttons or not performing any actions.
For example,
You are composing a very long email or staying away from the computer for several minutes or a few hours then it attempts to log out from mail interface.