FortiMail not recognized

Info on MIBS can be found here (if needed I can get the file for you):
http://docs-legacy.fortinet.com/fmail/archives/3_0/fortimail-admin/wwhelp/wwhimpl/common/html/wwhelp.htm?context=FortiMail_Online_Help&file=FortiMail_Online_Help-07-19.html

  • [x ] Please do NOT post more than 10 lines of debug information here, use a pastebin service or GitHub Gists.

(Imported from https://github.com/librenms/librenms/issues/8994, Original request by: @plepeer)