I get the below error whenever I try to use the Feedback, it's doens;t matter what sendTo address I use, it doesn't go through. I know the SMTP is working fine becuase I receive notifications every day from the site.
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
InnerException: Mailbox unavailable. The server response was: not local host forces.gc.ca, not a gateway
Message: System.Net.Mail.SmtpFailedRecipientException: Mailbox unavailable. The server response was: not local host forces.gc.ca, not a gateway at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at DotNetNuke.Services.Mail.Mail.SendMail(String MailFrom, String MailTo, String Cc, String Bcc, MailPriority Priority, String Subject, MailFormat BodyFormat, Encoding BodyEncoding, String Body, String Attachment, String SMTPServer, String SMTPAuthentication, String SMTPUsername, String SMTPPassword)