"TT" == Tapani Tarvainen tt@it.jyu.fi writes:
TT> I'd still be interested in which (if any) Windows or TT> web-based or even Unix-based GUI-type email clients can TT> manage custom headers comfortably or at all, and how.
I am using the VM mode of (Emacs or) XEmacs on Solaris and Linux (never tried VM mode on Windows).
In the compose window, there is a line separating header and body. It reads "--text follows this line--". You simply add your headers above that line. That's all.
Hans-Albert