Originally Posted By: artie505
I sent e-mails to myself (using the Unicode option) incorporating " ⌥ ⇧ ¢ ⬆ ⬇ ← ↑ ↓ → ©   ⌘ ⋀" and "𝄞 𝄡 𝄢 ♮ ♯ 𝄪 𝄫," and I received them intact.

Right... step one is to be sure she can send/receive on her own side properly. The second challenge will be bringing her sister's PC into the fray. (admittedly i'm only guessing this will work, but it seems to me that — via html and a *common* font like Arial or TNR — it should be doable).