postmaster script to include

[IIIdefconIII]

// Set Variables \

$klantdomein = $name = Read-Host 'What is the domain name? (exaxmple. systrax.nl)'
$postmasterdomain = "postmaster@$name"
$postmasteralias1 = "abuse@$name"
$postmasteralias2 = "sysadmin@$name"
$postmasteralias3 = "hostmaster@$name"
$postmasteralias4 = "webmaster@$name"
$ExternalContactsFile = "D:\CloudStation\Operations\Technical Notes\Scripts\Office365\Office365 postmaster script\ExternalContacts.csv"

// Connect to O365 Tenant account \

$UserCredential = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
Import-PSSession $Session

// Import of comma separated file \

Import-Csv $ExternalContactsFile |%{New-MailContact -Name $.Name -DisplayName $.Name -ExternalEmailAddress $.ExternalEmailAddress -FirstName $.FirstName -LastName $_.LastName}

// Second import for extra values \

$contacts = Import-CSV $ExternalContactsFile
$contacts | ForEach {Set-Contact $.Name -StreetAddress $.StreetAddress -City $.City -StateorProvince $.StateorProvince -PostalCode $.PostalCode -Phone $.Phone -MobilePhone $.MobilePhone -Pager $.Pager -HomePhone $.HomePhone -Company $.Company -Title $.Title -OtherTelephone $.OtherTelephone -Department $.Department -Fax $.Fax -Initials $.Initials -Notes $.Notes -Office $.Office -Manager $.Manager}

// Hide mail adress from Global Adress Book \

Set-MailContact "Systrax Operations" -HiddenFromAddressListsEnabled $true

//Create distribution groep and add members \

New-DistributionGroup -Name "Postmaster $name" -Alias Postmaster$name
Add-DistributionGroupMember -Identity "Postmaster$name" -Member "Systrax Operations"
Set-DistributionGroup postmaster$name -emailaddresses postmaster@$name
Set-DistributionGroup postmaster$name -emailaddresses @{Add=$postmasteralias1,$postmasteralias2,$postmasteralias3,$postmasteralias4}
Set-DistributionGroup postmaster$name -RequireSenderAuthenticationEnabled $False

// Pause for 6 seconds so O365 can create the postmaster account \

Start-Sleep -s 10

// Set send emails from outside \

Get-DistributionGroup -identity Postmaster* | Set-DistributionGroup -RequireSenderAuthenticationEnabled $False

// Kill Session \

Remove-PSSession $Session