Developer
Hooks
This category contains the available hooks that are available to developers within Gravity SMTP in order to extend its functionality.
Constants
This category contains a list of the constants that can be set within the wp-config.php file of your WordPress installation.
Articles
Alerts Constants
When set, these optional constants will override settings for the Alerts feature.
Zoho Mail Constants
Constants available for the Gravity SMTP Zoho Mail Integration.
Amazon SES Constants
When set, these optional constants will override settings for the Amazon SES integration in Gravity SMTP. Default values are shown.
Mailchimp Transactional Constants
Constants available for the Mailchimp Transactional integration.
PHP Mail Constants
Constants available for the PHP Mail integration.
Microsoft Constants
When set, these optional constants will override settings for the Microsoft 365 / Outlook Integration in Gravity SMTP.
Google Constants
Constants available for the Gravity SMTP Google Integration.
SendGrid Constants
Constants available for the SendGrid Integration.
GRAVITYSMTP_EVENT_LOG_ENABLED
The GRAVITYSMTP_EVENT_LOG_ENABLED constant in Gravity SMTP enables or disables the email log.
GRAVITYSMTP_TEST_MODE
The GRAVITYSMTP_TEST_MODE constant in Gravity SMTP enables or disables test mode.