1. Log into your WordPress admin dashboard through domain.com/wp-admin
2. Go to Add New under Plugins
3. Search for SMTP plugins like SMTP mailer (https://wordpress.org/plugins/smtp-mailer/) or
WP Mail SMTP (https://wordpress.org/plugins/wp-mail-smtp/)
4. After installation, you can access the plugin settings from Settings (In my case, I will be using SMTP mailer)
5. Ensure that the SMTP username is a legitimate/valid email on your hosting.
6. The basic settings will be as follows:
NOTE: The method/settings outlined above will only work with Exabytes mail server and do not pertain to external mail servers.