Option 1:
You can change the wordpress contact form area from section ([your-name] <[your-email]>) to info@yourserver.com.
And add all field inside <label>
example :
<p><label>Your Name (required)<br />
[text* your-name]</label></p>
Option 2:
Another way you can use “WP Mail SMTP plugin”. Then you configure your mail server details.
then it will working.
thanks,
J.