I've been using the following snippet for a while now to send email
via Google's SMTP server:
SmtpClient smtp = new SmtpClient
{
Host = "smtp.gmail.com",
Port = 587,
EnableSsl = true,
DeliveryMethod = SmtpDeliveryMethod.Network,
UseDefaultCredentials = false,
Credentials = new
NetworkCredential(fromAddress.Address, fromPassword)
//Credentials = new
NetworkCredential(fromAddress.Address, fromPassword)
};
using (MailMessage message = new MailMessage(fromAddress,
toAddress) { Subject = subject, Body = body })
{
smtp.Send(message);
}
Works great for regular GMail addresses. However, if I swap the
"from" credentials to a GMail for business client, I start getting the
following exception:
System.Net.Mail.SmtpException: The SMTP server requires a secure
connection or the client was not authenticated. The server response
was: 5.5.1 Authentication Required. Learn more at
And no, that message isn't truncated. That's all it gives me.
In my naive mind, GMail and GMail for Business ought to use the same
SMTP gateway. My question is, is that assumption valid? Is the setup
different for the business version? Is there something (hopefully)
simple I'm missing?
Thanks in advance,
Ross
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