Running Svn r28888.
And some Emails is just white, shows nothing.
Uploading an example.
.
I know this isn’t a solution but there you go.
I have experienced the same thing and think it may be when the email is sent directly from M$ word, I just need to do more investigation to make sure. I’ll post back if I find something definite.
Unfortunately this forum is getting to be less and less help all the time.