After upgrading to Znuny 6.3 you get new tickets with the subject
OTRS Scheduler Daemon Cron: MailAccountFetch
and the body
Console command 'MailAccountFetch' is failed.
Cause of the issue
It is a bug (re-)introduced with Znuny 6.3 version. It is a bug which will probably never fixed in Znuny 6.3, since it is a intermediate and thus short time framed version.
Fix of the issue with Znuny 6.4
As of the Znuny version 6.3.4 this bug is unfixed and needs a manual workaround. The bug is fixed with Znuny 6.4. So if you plan to upgrade, do 😉
Implementing the fix if you need to stay on 6.3.
The fix sounds somehow awkward. You have to copy a source file from an 6.2 version to your current version.
If you have used our upgrade scripts (see Upgrade/Migrate trouble-free from Znuny 6.2 to Znuny 6.3) you are pretty happy, since you still the the old version on your system.
echo "creating the backup file" cp /opt/otrs/Kernel/System/Console/Command/Maint/PostMaster/MailAccountFetch.pm /opt/otrs/Kernel/System/Console/Command/Maint/PostMaster/MailAccountFetch.pm.backup echo "replacing the file" cp /opt/znuny-6.2.2/Kernel/System/Console/Command/Maint/PostMaster/MailAccountFetch.pm /opt/otrs/Kernel/System/Console/Command/Maint/PostMaster/
If you have not upgraded with our article approach, you will require to download the latest 6.2 version and to copy from it one specific file.
apt install wget -y cd /tmp wget https://download.znuny.org/releases/znuny-latest-6.2.tar.gz tar zxf znuny-latest-6.2.tar.gz cd `tar ztf znuny-latest-6.2.tar.gz |grep "znuny-6.2\../$"` echo "creating the backup file" cp /opt/otrs/Kernel/System/Console/Command/Maint/PostMaster/MailAccountFetch.pm /opt/otrs/Kernel/System/Console/Command/Maint/PostMaster/MailAccountFetch.pm.backup echo "replacing the file" cp ./Kernel/System/Console/Command/Maint/PostMaster/MailAccountFetch.pm /opt/otrs/Kernel/System/Console/Command/Maint/PostMaster/