gentoo-overlay/mail-mta/exim/files/exim.logrotate

/var/log/exim/exim*.log {
	daily
	missingok
	rotate 28
	compress
	delaycompress
	notifempty
	create 640 mail mail
	sharedscripts
	postrotate
		/etc/init.d/exim reload > /dev/null 2>&1 || true
	endscript
}