Same here (6 Postfix front-end servers), non-systemd, non-GUI system running Debian Stretch. Downgrading to 0.99 is a workaround. ScanOnAccess is set to false.
R. -- ___________________________________________________________________ It is better to remain silent and be thought a fool, than to speak aloud and remove all doubt. +------------------------------------------------------------------+ | Richard Lucassen, Utrecht | +------------------------------------------------------------------+