Hi, afaik, there's no option to change the Avast mail sig.
A long time ago it used to be possible as there was a text file that was imported into it.
But being able to change it kind of negates its purpose if it can easily be changed.
Personally I have never felt that it offers much, certainly no physical protection, that is down to the Mail Shield itself. Do I believe any email that I receive that has such a signature (Avast or otherwise), absolutely not.
