Send-GraphMail.ps1
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<#PSScriptInfo .VERSION 1.2.5 .GUID 5027146b-5a2b-498f-b873-e5f268f149ad .AUTHOR Faris Malaeb .COMPANYNAME PowerShellCenter.com .COPYRIGHT 2022 .TAGS Send-GraphMail,Mail, Graph API, Send-MgUserMail .LICENSEURI .PROJECTURI https://www.powershellcenter.com/2022/09/07/powershell-script-to-simplify-send-mgusermail/ .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES .SYNOPSIS Send Microsoft Graph Email messaging using a simplified approach .DESCRIPTION Send Microsoft Graph Email messaging using a simplified approach and similar to Send-MailMessage. Also support a multiple parameters and support multiple attachment. Also it support sending from Microsoft Personal account .NOTES This script is no longer a function. you can use direct, no need to import it to the PowerShell workspace .LINK Specify a URI to a help page, this will show when Get-Help -Online is used. .PARAMETER Send-GraphMail Support the following parameters [Array] To: The recipients address, it can be an array for multiple account, just make sure to include the array type @("User1@domain.com","User2@Domain.com") [Array] Bcc: Similar to To, but this is the BCC and also support array of recipients [Array] CC: Similar to To and Bcc, also support array of recipients. [String] Subject: The Message Subject [String] MessageFormat: it can be HTML or Text [String] Body: The Message Body you want to send. [Switch] BodyFromFile: This is a Switch parameter. Using it mean that the body is stored in a file in your harddrive. When using the BodyFromFile, the Body parameter should be the full path of the file. [Switch] DeliveryReport: Set to receive a delivery report email or not [Switch] ReadReport: set to receive a read report or not. [Switch] Flag: enable the follow-up flag for the message [ValicationSet] Importance: Set the message priority, it can be one of the following, Low or High [String] Attachments: The Attachment file path. For now it only support 1 attachment, if you want more, let me know [String] DocumentType: The attachment MIME type, for example for text file, the DocumentType is text/plain [Switch] ReturnJSON: This wont send the email, but instead it return the JSON file fully structured and ready so you can invoke it with any other tool. [HashTable] MultiAttachment: Use this parameter to send more than one attachment, this parameter is a Hashtable as the following @{"Attachment Path No.1"="DocumentType";"Attachment Path No.2"="DocumentType"}. You cannot use the MultiAttachment with Attachments parameter [Switch] GraphDebug: Return the debug log for the process ############## NOT included, Beta endpoins are not included, such as Mentions. .EXAMPLE Send Graph email message to multiple users with attachments and multiple To, CC and single Bcc Send-GraphMail -To @('user1@domain.com','user2@domain.com') -CC @('cc@domain.com','cc1@domain.com) -Bcc "bcc@domain.com" -Subject "Test Message" -MessageFormat HTML -Body 'This is the Message Body' -DeliveryReport -ReadReport -Flag -Importance High -Attachments C:\MyFile.txt -DocumentType 'text/plain' Send Graph email, load the Body from a file stored locally, make sure to use the BodyFromFile switch send-GraphMail -To 'user1@domain.com' -Subject "Test Message" -MessageFormat HTML -Body C:\11111.csv -BodyFromFile -DeliveryReport -ReadReport -Flag -Importance High -Attachments 'C:\MyFile.txt' -DocumentType 'text/plain' Return and get how the JSON is structured without sending the Email, this is done by using the -ReturnJSON Parameter $JSONFile=Send-GraphMail -To 'user1@domain.com' -Subject "Test Message" -MessageFormat HTML -Body "Hi This is New Message" -Flag -ReturnJSON Send Graph email including multiple attachment. Send-GraphMail -To "ToUser@powershellcenter.com" -CC "farisnt@gmail.com" -Bcc "CCUser@powershellcenter.com" -Subject "Test V1" -MessageFormat HTML -Body "Test" -MultiAttachment @{"C:\11111.csv"="text/plain";"C:\222222.csv"="text/plain"} #> [CmdletBinding()] param ( [Parameter(Mandatory=$false)] [ValidateNotNullOrEmpty()]$To, [Parameter(Mandatory=$false)]$CC, [Parameter(Mandatory=$false)]$Bcc, [Parameter(Mandatory=$false)]$Subject, [Parameter(Mandatory=$false)] [ValidateSet('HTML','Text')]$MessageFormat, [Parameter(Mandatory=$false,ParameterSetName='Body')] [parameter(ParameterSetName='Attach')] [parameter(ParameterSetName='Attachmore')] $Body, [Parameter(Mandatory=$false,ParameterSetName='Body')] [parameter(ParameterSetName='Attach')] [parameter(ParameterSetName='Attachmore')] [Switch]$BodyFromFile, [Parameter(Mandatory=$false)][switch]$DeliveryReport, [Parameter(Mandatory=$false)][switch]$ReadReport, [Parameter(Mandatory=$false)][switch]$Flag, [Parameter(Mandatory=$false)] [ValidateSet('Low','High')] $Importance, [Parameter(Mandatory=$false,ParameterSetName='Attach')]$Attachments, [Parameter(Mandatory=$True,ParameterSetName='Attach')]$DocumentType, [Parameter(Mandatory=$false)][switch]$ReturnJSON, [Parameter(Mandatory=$false)][switch]$GraphDebug, [Parameter(Mandatory=$True,ParameterSetName='Attachmore')][Hashtable]$MultiAttachment ) $Body=[ordered]@{} $Body.Message=@{} ## Body Subject Parameter switch ($PSBoundParameters.ContainsKey('Subject')) { $true { $Body.Message.Add('Subject',$Subject) } $false {} } ## DeliveryReport switch ($PSBoundParameters.ContainsKey('DeliveryReport')) { $true { $Body.Message.Add('isDeliveryReceiptRequested',"True") } $false {} } ## Flag switch ($PSBoundParameters.ContainsKey('Flag')) { $true { $Body.Message.Add('flag',@{flagStatus="flagged"}) } $false {} } ## Read Report switch ($PSBoundParameters.ContainsKey('ReadReport')) { $true { $Body.Message.Add('isReadReceiptRequested',"True") } $false {} } ## $Importance switch ($PSBoundParameters.ContainsKey('Importance')) { $true { $Body.Message.Add('Importance',$Importance) } $false {} } ## Body Parameter switch ($PSBoundParameters.ContainsKey('Body')) { $true { $Body.Message.Add('Body',@{}) $Body.Message.Body.Add('ContentType',$PSBoundParameters['MessageFormat']) if ($PSBoundParameters.ContainsKey('BodyFromFile')){ try{ $MessageBody = Get-Content -Path ($PSBoundParameters['Body']) -Raw -ErrorAction stop $Body.Message.Body.Add('Content',$MessageBody) } catch{ write-host "Cannot Attach Body, The error is " -ForegroundColor Yellow Throw $_.Exception } } Else{ $Body.Message.Body.Add('Content',$PSBoundParameters['Body']) } } $false {} } ## Attachment Parameter switch ($PSBoundParameters.ContainsKey('Attachments')) { $true { $Body.Message.Add('Attachments',@()) Foreach ($Singleattach In $Attachments){ $AttachDetails=@{} $AttachDetails.Add("@odata.type", "#microsoft.graph.fileAttachment") $AttachDetails.Add('Name',$Singleattach) $AttachDetails.Add('ContentType',$DocumentType) $AttachDetails.Add('ContentBytes',[Convert]::ToBase64String([IO.File]::ReadAllBytes($Singleattach))) $Body.message.Attachments+=$AttachDetails } } $false {} } ## MultiAttachment switch ($PSBoundParameters.ContainsKey('MultiAttachment')) { $true { $Body.Message.Add('Attachments',@()) Foreach ($SingleattachinMulti In $MultiAttachment.GetEnumerator()){ $AttachmultiDetails=@{} $AttachmultiDetails.Add("@odata.type", "#microsoft.graph.fileAttachment") $AttachmultiDetails.Add('Name',$SingleattachinMulti.Name) $AttachmultiDetails.Add('ContentType',$SingleattachinMulti.Key) $AttachmultiDetails.Add('ContentBytes',[Convert]::ToBase64String([IO.File]::ReadAllBytes($SingleattachinMulti.Name))) $Body.message.Attachments+=$AttachmultiDetails } } $false {} } ## No Recp is selected, the fail if ((!($PSBoundParameters.ContainsKey('To'))) -and (!($PSBoundParameters.ContainsKey('Bcc'))) -and (!($PSBoundParameters.ContainsKey('Bcc'))) ){ Throw "You need to use one Address parameter To or CC or BCC" } ## To Parameter switch ($PSBoundParameters.ContainsKey('To')) { $true { $Body.Message.Add('ToRecipients',@()) Foreach ($SingleToAddress In $To){ $Body.message.ToRecipients+=@{EmailAddress=@{Address=$SingleToAddress}} } } $false {} } ## CC Parameter switch ($PSBoundParameters.ContainsKey('cc')) { $true { $Body.Message.Add('CcRecipients',@()) Foreach ($SingleCCAddress In $cc){ $Body.message.CcRecipients+=@{EmailAddress=@{Address=$SingleCCAddress}} } } $false {} } ## Bcc Parameter switch ($PSBoundParameters.ContainsKey('Bcc')) { $true { $Body.Message.Add('BccRecipients',@()) Foreach ($SingleBCCAddress In $Bcc){ $Body.message.BccRecipients+=@{EmailAddress=@{Address=$SingleBCCAddress}} } } $false {} } switch ($PSBoundParameters.ContainsKey('ReturnStructure')) { $true { return $Body } $false {} } switch ($PSBoundParameters.ContainsKey('ReturnJSON')) { $true { return ($Body | ConvertTo-Json -Depth 100) } $false { try{ Import-module Microsoft.Graph.Authentication Connect-MgGraph -Scopes @('Mail.Send') } Catch{ $_.Exception.Message } } } switch ($PSBoundParameters.ContainsKey('GraphDebug')) { $true { Invoke-GraphRequest -Uri 'https://graph.microsoft.com/v1.0/me/sendMail' -Method POST -Body $Body -Debug } $false { Invoke-GraphRequest -Uri 'https://graph.microsoft.com/v1.0/me/sendMail' -Method POST -Body $Body } } |