Does anyone know a solution for this (TID 7004522)?

When the Mac Safari web client replies to message, the sent message body is
blank. Out of 1,500 users I have 2-3 that are effected by this and of
course, these few are the upper management and they want a solution or else
heads are going to roll.

I have caught these messages and found the effected messages bodies are
HTML, when you view the mime encoded message contents, the message body is

The only reply I get from Novell is that this is known problem and has been
reported to engineering with no solution provided.