Advanced Settings Configure advanced options for complete and optimized control of your transfers. Performance options Batch size Adjust how many emails are processed at the same time to optimize speed. Small Large Recommended value: 50 (balanced between speed and stability) Auto-resume Enable this option to automatically resume interrupted transfers. Enable auto-resume after an interruption Useful in case of network issues or server maintenance Notifications Email alerts Configure notifications to be informed about transfer status. Notification when the transfer starts Notification when the transfer ends Notification on error Daily progress report Email address for notifications: