I have exchange 2003 on a Server 2003 and the client is using Outlook 2010. The client PC has UK Windows XP Pro with UK and Russian keyboard / fonts installed. An email arrived in the users inbox with a number of attachments. When he forwarded it he typed a message in the body of the email l. This was done in Russian and all looks fine on his PC. When it arrives at the recipients mailbox all the russian text has been changed to ??????????