crontab for getmail is not createb by installer
The getmail crontab isn't created during install/update.
Solution: replace lines 1069-1070 in installer_base.lib.php
foreach($cron_jobs as $key => $val) {
if(stristr(val,
cf['program'])) unset(cron_jobs[
key]);
with:
foreach($existing_cron_jobs as $key => $val) {
if(stristr(val,
cf['program'])) unset(existing_cron_jobs[
key]);