I am using BugNet
2007-06-28 17:04:48,859 [8] ERROR BugNET.BusinessLogicLayer.Mail [(null)] - Email Notification Error
System.Net.Mail.SmtpException: Failure sending mail. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at System.Net.Mail.AuthCommand.Send(SmtpConnection conn, String message)
at System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port)
at System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port)
at System.Net.Mail.SmtpClient.GetConnection()
at System.Net.Mail.SmtpClient.Send(MailMessage message)
--- End of inner exception stack trace ---
at System.Net.Mail.SmtpClient.Send(MailMessage message)
at BugNET.BusinessLogicLayer.Mail.SendMail(String to, String from, String subject, String body, Encoding bodyEncoding, MailPriority priority, MailFormat bodyFormat, String smtpServer, Int32 smtpPort, Boolean smtpUseSSL, Boolean smtpAuthentication, String smtpUsername, String smtpPassword)