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
PHP Mail Constants
Constants available for the PHP Mail integration.
Mailchimp Transactional Constants
Constants available for the Mailchimp Transactional integration.
Resend Constants
Constants available for the Gravity SMTP Resend Integration.
Zoho Mail Constants
Constants available for the Gravity SMTP Zoho Mail Integration.
Alerts Constants
When set, these optional constants will override settings for the Alerts feature.
SMTP2GO Constants
Constants available for the Gravity SMTP SMTP2GO Integration.
Elastic Email Constants
Constants available for the Gravity SMTP Elastic Email Integration.
MailerSend Constants
Constants available for the Gravity SMTP MailerSend Integration.
Mailjet Constants
Constants available for the Gravity SMTP Mailjet Integration.
SparkPost Constants
Constants available for the Gravity SMTP SparkPost Integration.