$From = "src@abc.com"
$To = "dest@abc.com"
$Subject = "TestSubject"
$Body = "TestBody"
$smtpServer = "mail.muchost.com"
$smtpPort = 25
$username = "src@abc.com"
$password = "myPassword"
$SMTPMessage = New-Object System.Net.Mail.MailMessage($From, $To, $Subject, $Body)
$SMTPClient = New-Object Net.Mail.SmtpClient($smtpServer, $SmtpPort)
$SMTPClient.EnableSsl = $false
$SMTPClient.Credentials = New-Object System.Net.NetworkCredential($username, $password);
$SMTPClient.Send($SMTPMessage)