Developer

GRAVITYSMTP_ENABLED_EXPERIMENTAL_FEATURES

The GRAVITYSMTP_ENABLED_EXPERIMENTAL_FEATURES constant allows you to enable or disable experimental features in Gravity SMTP.

GRAVITYSMTP_INTEGRATION_PRIMARY

For advanced configurations and multisite setups, you can define a Primary integration for Gravity SMTP using constants.

GRAVITYSMTP_INTEGRATION_BACKUP

For advanced configurations and multisite setups, you can define a Backup integration for Gravity SMTP using constants.

Mailtrap Constants

When set, these optional constants will override settings for the Mailtrap Integration in Gravity SMTP. Default values are shown.

gravitysmtp_after_email_suppressed

Fires after an email has been successfully suppressed in the Gravity SMTP suppression list. The gravitysmtp_after_email_suppressed action allows you to perform custom logic after adding an email to the suppression database.

gravitysmtp_before_email_send

Fires before an email is sent through Gravity SMTP. This action allows you to perform custom logic before the email sending process begins.

gravitysmtp_on_primary_failure

The gravitysmtp_on_primary_failure action lets you run custom code when the primary mail sending attempt fails.

gravitysmtp_managed_email_types

The gravitysmtp_managed_email_types allows developers to modify or extend the list of managed email types by adding their own custom types.

gravitysmtp_feature_flag

The gravitysmtp_feature_flag allows developers to disable features in Gravity SMTP.

gravitysmtp_delete_log_on_deactivate

The gravitysmtp_delete_log_on_deactivate filter allows developers to control whether the debug log should be deleted when debug logging is disabled.