[PRTG] Send Mail

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   PowerShellMailer

Parameters have to look like this:
.\mail.ps1 -From "from@mail.com" -To @("to@mail.com") -Subject "My Subject" -Body "Hello World" -SmtpHost "my.mailserver.com"
#>

param(
    ## The recipient of the mail message
    [string[]] $To = $(throw "Please specify the destination mail address"),

    ## The subjecty of the message
    [string] $Subject = "<No Subject>",

    ## The body of the message
    [string] $Body = $(throw "Please specify the message content"),

    ## The SMTP host that will transmit the message
    [string] $SmtpHost = $(throw "Please specify a mail server."),

    ## The sender of the message
    [string] $From = "$($env:UserName)@example.com"
)

## Create the mail message
$email = New-Object System.Net.Mail.MailMessage

## Populate its fields
foreach($mailTo in $to)
{
    $email.To.Add($mailTo)
}

$email.From = $from
$email.Subject = $subject
$email.Body = $body
$email.Headers.Add("X-Company", "My Company");
$email.IsBodyHtml = $true;

## Send the mail
$client = New-Object System.Net.Mail.SmtpClient $smtpHost
$client.Credentials = new System.Net.NetworkCredential("your-mail-username", "your-mail-password");
#$client.UseDefaultCredentials = $true

$client.Send($email)