can not find 'behavior' in settings in current free version

Avast Mobile Security Avast Mobile Security for Android
1

I am trying to eliminate the note inserted at end of outgoing email. found a reference telling how but can not find the path to ‘behavior’ in my current free version, any suggestions? thanks

2

It is in the settings for the mail shield.
Settings > shields > mailshield > customize

3

It should be:
Avast UI - Settings > Active Protection > Mail Shield > Customize > Behavior