Description
This constant will define the number of days for which event logs in Gravity SMTP are retained. Email logs older than the selected period will be permanently deleted from the database. Set constant as an integer according to the number of days to retain logs. Setting 0 will ensure logs are never purged.
Usage
define( 'GRAVITYSMTP_EVENT_LOG_RETENTION', 0 );
Placement
Constants should be set in wp-config.php.