SSL-fähiger Mailversand per Kommandozeile

$SMTPServer = "smtp.1und1.de"  
$SMTPPort = "587"  
$EmailUser = "mustermann@1und1.de"   
$EmailFrom = "datensicherung@1und1.de"   
$Password = "dfgiFAOM"  
$EmailTo = "backup@1und1.de"  
$EmailSubject = "Datensicherung"  
$EmailBody = "Siehe Anhang"  

$file = "C:\backup\user1.zip"  
$att = new-object Net.Mail.Attachment($file)

$message = New-Object System.Net.Mail.MailMessage
$message.subject = $EmailSubject
$Message.IsBodyHTML = $True
$message.Body = $EmailBody
$message.to.add($Emailto)
$message.from = $EmailFrom
$message.Attachments.Add($att)
$smtp = New-Object Net.Mail.SmtpClient($SMTPServer, $SMTPPort);
$smtp.EnableSSL = $true
$smtp.Credentials = New-Object System.Net.NetworkCredential($EmailUser, $Password);
$smtp.send($message)

Send-MailMessage -From 'user@domain.de' -to 'user2@domain.de' -Subject 'Hello' -Body 'Das ist der Body' -UseSSL -Smtpserver 'smtp.domain.de' -Port 465 -Credential (new-object PSCredential('username',(Convertto-SecureString 'Passw0rd' -AsPlaintext -Force))) -Attachments 'c:\datei.log'