Cron <munin@old-webextra> - webextra.osgeo.osuosl.org sends useless emails

[neteler]

There seems to still be some (unwanted?) cronjob active:

From: Mail Delivery System <MAILER-DAEMON@webextra.osgeo.osuosl.org>
Date: Tue, Mar 24, 2020 at 2:08 PM
Subject: Undelivered Mail Returned to Sender
To: <munin@webextra.osgeo.osuosl.org>


This is the mail system at host webextra.osgeo.osuosl.org.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<osuadmin@webextra.osgeo.osuosl.org> (expanded from <root>): cannot update
    mailbox /var/mail/osuadmin for user osuadmin. error writing message: File
    too large



---------- Forwarded message ----------
From: Cron Daemon <root@webextra.osgeo.osuosl.org>
To: root@webextra.osgeo.osuosl.org
Cc:
Bcc:
Date: Tue, 24 Mar 2020 06:08:34 -0700 (PDT)
Subject: Cron <munin@old-webextra> if [ -x /usr/bin/munin-cron ]; then /usr/bin/munin-cron; fi
[FATAL ERROR] Lock already exists: /var/run/munin/munin-html.lock. Dying.
 at /usr/share/perl5/Munin/Master/HTMLOld.pm line 209

Could this be silences? thanks

[robe]

remarked out all the munin cronjob lines