[PS] C:\windows\system32>New-MailContact -Name "Franek Jakistam" -Alias "jakis_tam_alisa"" -ExternalE mailAddress ktos.tam@gmail.com -OrganizationalUnit mlodzi-userzy
[PS] C:\windows\system32>Add-DistributionGroupMember -Identity "mlodzi-userzy" -Member jjakistam@gmail.com