Drupal SMTP is not working I am using STMP module for D7.

When i put test email abc@gmail.com, i have received the email but 

When i check show original i am getting received from 

Received: from usernem by myhost username with local (Exim 4.85) 


Why it is so ?

Also i have enter wrong password and tried to send an email. i recieved the email

Seems SMTP is not working on my site  

Below are my settings
Change and check

SMTP server: smtp.gmail.com
SMTP port: 587
Use Encrypted Protocol : Use TLS

Username: Your Email Id
Password: Your Password


For default email settings check


  /admin/config/system/mailsystem