'ANSI_X3' is not a supported encoding name. For information on defining a custom encoding.

[miteshvaishnav]

When i read specific mail i have got following error in openpop. I am using latest version but still get following error.
'ANSI_X3' is not a supported encoding name. For information on defining a custom encoding, see the documentation for the Encoding.RegisterProvider method.

Runtime version : v2.0.50727
version : 2.0.6.2