Developer

gravitysmtp_sparkpost_send_as_transactional

This filter allows you to control whether emails sent through SparkPost are marked as transactional. It lets you override the default behavior of sending emails as transactional messages.

gravitysmtp_connector_types

The gravitysmtp_connector_types filter allows you to modify the list of available connector types in Gravity SMTP. It lets you add, remove, or modify the SMTP connectors available for configuration.

gravitysmtp_notifications_email_digest_frequency_options

The gravitysmtp_notifications_email_digest_frequency_options filter lets developers customize the available frequency options for the email activity digest.

gravitysmtp_twilio_alert_request_body

The gravitysmtp_twilio_alert_request_body filter can be used to modify the request body that is sent to the Twilio API when sending SMS alerts through Gravity SMTP.

Mailchimp Transactional Constants

Constants available for the Mailchimp Transactional integration.

Using Constants To Hide Your Sensitive Settings

By using constants in your site’s wp-config.php file, you can securely store this information outside the WordPress admin interface.

Gravity SMTP Integration Slugs

Gravity SMTP integrations use lowercase reference slugs without spaces or special characters.

Using Constants To Set Primary And Backup Integrations

Prevent unwanted configuration changes by locking primary and backup integrations with constants.

Configuring a Gravity SMTP Integration Using Constants

This article covers the necessary constants for enabling integrations using constants.

Configuring Integrations with Custom API Parameters

This article explains how to configure integrations in Gravity SMTP to use provider-specific parameters to enable GDPR-compliant routing or other requirements.