SPF, DKIM, DMARC

Test the Spammyness of youre-mails
https://www.mail-tester.com

Sørg for at emnefeltet har relevant indhold, f.eks. "Question about service provided) - ikke bare "Test" eller lign.
Selve e-mailen skal også have et relevant indhold, gerne en 25-50 ord (kopier en tekst fra et andet sted)

Check if your domain has these 2 email signatures set up and valid (DKIM)
https://www.mail-tester.com/spf-dkim-check

Selector = Selector1 og Selector2

dmarcian.eu
mxtoolbox.com DKIM:domain.dk:selectorX

https://docs.microsoft.com/en-us/powershell/exchange/exchange-online/connect-to-exchange-online-powershell/connect-to-exchange-online-powershell?view=exchange-ps

https://docs.microsoft.com/en-us/office365/securitycompliance/use-dkim-to-validate-outbound-email#SetUpDKIMO365

https://blogs.technet.microsoft.com/timmcmic/2018/02/09/office-365-spam-detection-and-reverse-dns-lookups/

Omgå Sophos tamper protection

https://community.sophos.com/kb/en-us/124377

Sophos ZAP

https://community.sophos.com/products/sophos-central/b/blog/posts/sophos-zap-is-now-available

BRUG DISM til at rense ud i WinSxS efter Windows Update

 dism /online /Cleanup-Image /StartComponentCleanup /ResetBase

Test webcam / Test microphone /Test speakers

Test webcam

https://da.webcamtests.com/

Test microphone

https://micworker.com/

Test speakers

https://www.onlinemictest.com/sound-test/

Kan ikke installere sprogpakke på RDS server

Installer fra lokal administrator konto

eller

Lokal GPO :
- Log på som lokal adm.
- gpedit.msc
- Computer Configuration / Windows Settings / Security Settings / Local Policies / Security Options / User Account Control: Admin Approval Mode for the Built-in Administrator Account - Enabled
(Kontrol af brugerkonti : Administratorgodkendelsestilstand for den indbyggede administratorkonto - Aktiveret)
- Kør gpupdate /force
- Log af op på igen som domæne adm.

Reperation af Windows komponenter

Gem som .cmd fil

@echo off
cls
echo Kør som administrator
echo Luk først alle programmer
echo.
pause
dism.exe /online /cleanup-image /checkhealth
dism.exe /online /cleanup-image /scanhealth
dism.exe /online /cleanup-image /restorehealth
dism.exe /online /cleanup-image /startcomponentcleanup
sfc /scannow
pause
shutdown.exe -f -r -t 00