############# create ap file directory: "apdir"

############# create the update schedule:

/system scheduler
add name=AutoUpdate start-date=apr/25/1970 start-time=04:00:00 interval=1d on-event=Update

#############   name the following script: "Update"   

/system package update
check-for-updates once

:delay 3s;

:if ( [get status] = "New version is available") do={ 

:local newVer [get latest-version]
/tool fetch address="download.mikrotik.com" mode=https src-path="/routeros/$newVer/routeros-mipsbe-$newVer.npk" dst-path="/apdir"
/tool e-mail send to="user@domain" subject="Upgrading RouterOS on router $[/system identity get name]" body="Upgrading RouterOS on router $[/system identity get name] from $[/system package update get installed-version] to $[/system package update get latest-version] (channel:$[/system package update get channel])"
   
:delay 5s;
   
install

} else={

/system routerboard

:if ( [get current-firmware] != [get upgrade-firmware]) do={ 

/tool e-mail send to="user@domain" subject="Upgrading firmware on router $[/system identity get name]" body="Upgrading firmware on router $[/system identity get name] from $[/system routerboard get current-firmware] to $[/system routerboard get upgrade-firmware]"
      
:delay 5s;

upgrade

:delay 5s;

/system reboot

}
}