1. Log in to your WordPress admin portal via domain.com/wp-admin
2. Navigate to Add New under Plugins
3. Search for SMTP plugins such as SMTP mailer ( https://wordpress.org/plugins/smtp-mailer/ ) or
WP Mail SMTP ( https://wordpress.org/plugins/wp-mail-smtp/ )
4. Once installed, can navigate to the plugin settings from Settings (In my case, I will use the SMTP mailer)
5. You need to ensure that the SMTP username is a valid email on your hosting.
6. The basic settings will be as below:
NOTES: The above methods/settings can only be applied with Exabytes mail serve and do not refer to external mail servers.