The new release of PowerMTA has below changes as to Port25 :
- fixed crash caused by not aborting a write operation for accounting data when rotation to a new file fails with 'move-to' interval configured; - fixed accounting file suffix resetting to zero during periods of inactivity when 'move-to' is configured; - fixed handling in some cases where recipient deliveries were being postponed or would seem never attempted; - optimized certain queue operations; - additional fixes for SNMP daemon startup issues on 64-bit Windows; - other enhancements in preparation for upcoming features;