Package: couriergrey Version: 0.3.2-5+b1 Saw this in mail.log with courier-mta from testing:
430 Greylisting DB could not be opened currently. Please try again later: Could not open database at /var/cache/couriergrey/deli... A purge/reinstall of couriergrey plus the modification below appears to be a sufficient workaround: cd /var/cache/ chown courier:courier couriergrey/ [courier-mta now has its own `courier' user name and group] Regards, Adam Warner