The server response was: 5.7.1 : Relay access denied
Trying to send mail from Powershell to extern mailaccount but get Relay access denied.
# ======================
# Sending Email Section
# ======================
$strFrom = “mailfrom”
$strPassword = “Psw”
$strTo = “mailto”
$strSubject = “Alert”
$strSMTPServer = “”
$strPort = 587
$objEmailMessage = New-Object system.net.mail.mailmessage
$objEmailMessage.From = ($strFrom)
$objEmailMessage.To.Add($strTo)
$objEmailMessage.Subject = $strSubject
$objEmailMessage.IsBodyHTML = $true
$objEmailMessage.Body = $mailbody
$objSMTP.EnableSsl = $true
$objSMTP.Credentials = New-Object System.Net.NetworkCredential($strFrom, $strPassword);
$objSMTP = New-Object Net.Mail.SmtpClient($strSMTPServer, $strPort)
$objSMTP.Send($objEmailMessage)
Some idé whats wrong?