Why can SmtpClient.SendAsync only be called once?

Question

I\'m trying to write a notification service (for completely legit non-spam purposes) in .NET using SmtpClient. Initially I just looped through each message and sent it, however

Answer 1

You may only send one at a time per SMTP client. If you wish to make more than one send call, create more than one SMTP client.

HTH,

Colby Africa