:log info ("$[/system health get temperature] $[/system health get voltage]")
:if ([/system health get temperature]>45) do={/tool e-mail send to="mikrotik@xxx.info" subject=[/system identity get name] body=("High temperature. Current temperature is: ".[/system health get temperature])} 
:if ([/system health get voltage]<245) do={/tool e-mail send to="me@somewhere.net" subject=[/system identity get name] body=("Low Voltage Alarm. Current voltage is: ".[/system health get voltage])}

:global "tempstatus"
:global "templaststatus"
:global "cputempstatus"
:global "cputemplaststatus"
:global "systemtemp" [/system health get temperature]
:global "cputemp" [/system health get cpu-temperature]
:if (systemtemp > "50") do={:set "tempstatus" "system temp is too high"}
:if (systemtemp > "60") do={:set "tempstatus" "system temp is critical"}
:if (systemtemp < "40") do={:set "tempstatus" "system temp is within spec"}
:if (cputemp > "65") do={:set "cputempstatus" "cpu temp is too high"}
:if (cputemp > "75") do={:set "cputempstatus" "cpu temp is critical"}
:if (cputemp < "64") do={:set "cputempstatus" "cpu temp is within spec"}
:if ($"tempstatus" != $"templaststatus") do {
/tool e-mail send to="your-email-here@email.com" subject=("This router $[/system identity get name] has a temperature alert. $[/system clock get date] $tempstatus") body=("This router $[/system identity get name] has a temperature alert. $[/system clock get date] $tempstatus - $systemtemp Celcius")
:log info "Email sent about system $tempstatus status"
:set "templaststatus" $"tempstatus"
}
:if ($"cputempstatus" != $"cputemplaststatus") do {
/tool e-mail send to="your-email-here@email.com" subject=("This router $[/system identity get name] has a temperature alert. $[/system clock get date] $cputempstatus") body=("This router $[/system identity get name] has a temperature alert. $[/system clock get date] $cputempstatus - $cputemp Celcius")
:log info "Email sent about system $cputempstatus status"
:set "cputemplaststatus" $"cputempstatus"
}


:local emailTo "mikrotik@xxx.info"
:local thresholdTemperature 60 ; Заменете с желаната температурна прагова стойност в градуси Целзий

:local currentTemperature [ /system health get temperature ]

:if ($currentTemperature >= $thresholdTemperature) do={
  :log warning ("High temperature detected! Current temperature: " . $currentTemperature . " C")

  /tool e-mail send to=$emailTo subject="High Temperature Warning" body=("High temperature detected on MikroTik. Current temperature: " . $currentTemperature . " C")
}

:log info "Starting script...";
:log info ("Email to: " . $mikrotik@xxx.info);

:local emailTo "mikrotik@xxx.info"
:local subject "otkrit nov MAC adres"
:local monitoredMac "A8:5E:45:18:xx:xx" ; ???????? ? ?????????? MAC ?????, ????? ?????? ?? ???????

:local knownMacs

# ?????? ?? ???????? ????? ???????? MAC ?????? ?? ????
:if ([/file find name="known-macs.txt"] != "") do={
  :set knownMacs [/file get [find name="known-macs.txt"] contents]
} else {
  :set knownMacs ""
}

# ??????????? ARP ?????????? ?? ???? MAC ??????
:foreach i in=[/ip arp find where dynamic=yes] do={
  :local currentMac [/ip arp get $i mac-address]

  # ???????????, ???? MAC ??????? ? ????????
  :if ([:find $knownMacs $currentMac] = -1) do={
    # ????????? ?????, ??? ? ??? MAC ?????
    /tool e-mail send to="mikrotik@xxx.info"=$subject body=("Otkrit new MAC adres: " . $currentMac)

    # ???????? MAC ?????? ??? ??????????
    :set knownMacs ($knownMacs . "," . $currentMac)
  }
}

# ????????? ?????????? MAC ?????? ??? ????
/file set [find name="known-macs.txt"] contents=$knownMacs

:local thresholdTemperature 60 ; Заменете с желаната температурна прагова стойност в градуси Целзий

:local monitoredMac "A8:5E:45:18:xx:xx" ; ???????? ? ?????????? MAC ?????, ????? ?????? ?? ???????