How to Edit text in message window

Hello can you please help me to point me right direction where I can edit message window text? for Exampe:

I got email from my website form contact form everything fine but when I click reply text in message window looks like this:

Sent from Test Website [1]

[1] www.

number (1) I want to remove but cant find where.


This site will teach you how to build a WordPress website for beginners. We will cover everything from installing WordPress to adding pages, posts, and images to your site. You will learn how to customize your site with themes and plugins, as well as how to market your site online.

Buy WordPress Transfer