Send-EmailMessage using Exchange Web Services

Send-EmailMessage.ps1

Function Send-EMailMessage {
[CmdletBinding()]
    param(
    [Parameter(Position=1, Mandatory=$true)]
    [String[]]
    $To,

    [Parameter(Position=2, Mandatory=$false)]
    [String[]]
    $CcRecipients,
    
    [Parameter(Position=3, Mandatory=$false)]
    [String[]]
    $BccRecipients,  

    [Parameter(Position=4, Mandatory=$true)]
    [String]
    $Subject,
    
    [Parameter(Position=5, Mandatory=$true)]
    [String]
    $Body,
        
    [Parameter(Position=6, Mandatory=$false)]
    [Switch]
    $BodyAsHtml,   
        
    [Parameter(Position=7, Mandatory=$true)]
    [System.Management.Automation.PSCredential]
    $Credential,

    [Parameter(Position=8, Mandatory=$false)]
    [String]$Attachment
)

    
begin {
    #Load the EWS Managed API Assembly
    #Install EWS Assembly form here and install it.
    # http://www.microsoft.com/en-us/download/details.aspx?id=28952
    #Copy EWS Assembly
    $EwsLocalPath = "C:\Program Files\Microsoft\Exchange\Web Services\1.0"
    
    if (!(Test-Path -Path $EwsLocalPath)) {
        New-Item -ItemType Directory -Path $EwsLocalPath
        Copy $EWSSharePath\*.* $EwsLocalPath
        }
    else {
        Copy $EWSSharePath\*.* $EwsLocalPath
        }
    Add-Type -Path $EwsLocalPath\Microsoft.Exchange.WebServices.dll
}

process {
#Insatiate the EWS service object
$service = New-Object Microsoft.Exchange.WebServices.Data.ExchangeService -ArgumentList Exchange2010_SP1

#Set the credentials for Exchange Online
$service.Credentials = New-Object Microsoft.Exchange.WebServices.Data.WebCredentials -ArgumentList $Credential.UserName, $Credential.GetNetworkCredential().Password

#Find Email Address from UserName
$tmpUsername = ($Credential.UserName).Split("\")[1]
$query = "SELECT * FROM ds_user where ds_sAMAccountName='$tmpUsername'"
$user = Get-WmiObject -Query $query -Namespace "root\Directory\LDAP"

#Determine the EWS endpoint using autodiscover
$service.AutodiscoverUrl($user.DS_mail)

# Configure Exchange Impersonation.
# Impersonation Rights are granted by the following ROLE-ASSIGNMENT
# New-ManagementRoleAssignment –Name:EWSImpersonationTEST –Role:ApplicationImpersonation –User:"domain\svcImpersonationID"

# Remove Role Assignment
# Get-ManagementRoleAssignment -RoleAssigneeType User | Where {$_.Role -eq "ApplicationImpersonation" } | select -First 1 | Remove-ManagementRoleAssignment

# Add Impersonation
$MailboxName = "first.lastname@companydomain.com"
$service.ImpersonatedUserId = new-object Microsoft.Exchange.WebServices.Data.ImpersonatedUserId([Microsoft.Exchange.WebServices.Data.ConnectingIdType]::SmtpAddress, $MailboxName) 

#Create the email message and set the Subject and Body
$message = New-Object Microsoft.Exchange.WebServices.Data.EmailMessage -ArgumentList $service
$message.Subject = $Subject
$message.Body = $Body

#If the -BodyAsHtml parameter is not used, send the message as plain text
if(!$BodyAsHtml) {
    $message.Body.BodyType = 'Text'
    }    

if (Test-Path $Attachment) {
    $message.Attachments.AddFileAttachment("$Attachment");
    } 

#Add each specified recipient
$To | ForEach-Object{
    $null = $message.ToRecipients.Add($_)
    }

#Add each specified carbon copy recipient   
if($CcRecipients) {
    $CcRecipients | ForEach-Object{
    $null = $message.CcRecipients.Add($_)
    }
}

#Add each specified blind copy recipient
if($BccRecipients) {
    $BccRecipients | ForEach-Object{
    $null = $message.BccRecipients.Add($_)
    }
}

#Send the message and save a copy in the Sent Items folder
$message.SendAndSaveCopy()
} #End of Process Block

} #End of Function

#$credential = Get-Credential
$AttachmentPath = "C:\temp\myattachmentfile.csv"
$to = "sunnyc7@gmail.com"
$Subject = "Test email via Web Serices"
$Body = @"
    This is the message Body.
    You can include anything here alongwith notifications.
    Adding more stuff here.
    You can also use the body variable as parameter.
    
    Time:: $(Get-date)
    Sent from computer:: $env:computername
    Sent by User:: $env:username

    Thank You.
    Sunny.
"@

$Splat = @{
        To = $To
        Subject = $Subject
        Body =$Body
        Credential = $cred2
        Attachment = $AttachmentPath
}

Send-AAMEMailMessage @Splat