Thunderbird accessibility.

Hi,
I use Thunderbird as email client. Due to my impaired sight, I compose 
using large size fonts, and then, before sending, I reduce the size to 
normal so that the recipient won't be surprised by the large fonts, 
However, sometimes I forget to reduce
and the message text goes out as is.

It would help me quite a lot  if,  in the General Option settings for 
Thunderbird, a checkbox could be added such that, when checked, the 
messge sending process would first adjusted (proportionally) the fonts 
to normal size and then would send the message.

Thank you.

Angelo Gonzalez
Vigo, Spain
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