Step 3: Once WP Mail SMTP is installed, you’ll need to click on WP Mail SMTP » Settings in the left WordPress menu.
Step 4: In setting Tab you need to set From Email.The From Email is the email address that all of your site’s emails will appear to be sent from.
We strongly recommend also checking the box labeled Force From Email. This option will save you the trouble of editing the From Email settings throughout your site (in all settings where email could be sent from), and help to ensure your mailer can apply to your site’s emails.
Step 5: Set the From Name
The From Name will, by default, be set to the site name. However, you can change this to any text you’d like.
Step 6: You need to Select Mailer Option.
Below are the links for Mailer setup. You can set-up Mailer according to your choice.