rotating pattern: /var/log/exim_rejectlog weekly (4 rotations)
empty log files are rotated, old logs are removed
considering log /var/log/exim_rejectlog
log needs rotating
rotating log /var/log/exim_rejectlog, log->rotateCount is 4
renaming /var/log/exim_rejectlog.4.gz to /var/log/exim_rejectlog.5.gz (rotatecount 4, logstart 1, i 4),
renaming /var/log/exim_rejectlog.3.gz to /var/log/exim_rejectlog.4.gz (rotatecount 4, logstart 1, i 3),
renaming /var/log/exim_rejectlog.2.gz to /var/log/exim_rejectlog.3.gz (rotatecount 4, logstart 1, i 2),
renaming /var/log/exim_rejectlog.1.gz to /var/log/exim_rejectlog.2.gz (rotatecount 4, logstart 1, i 1),
renaming /var/log/exim_rejectlog.0.gz to /var/log/exim_rejectlog.1.gz (rotatecount 4, logstart 1, i 0),
renaming /var/log/exim_rejectlog to /var/log/exim_rejectlog.1
creating new log mode = 0640 uid = 47 gid = 12
running postrotate script
running script with arg /var/log/exim_rejectlog: "
/usr/bin/killall -HUP exim
"
error: unable to open /var/log/exim_rejectlog.1 for compression