Articles in this section

• Outlook Error: HRESULT: 0x80004002 (E_NOINTERFACE)
• Exchange Error: Microsoft.Exchange.WebServices.Data.ServiceRequestException
• Exchange Error: The request failed. The remote server returned an error: (404) Not Found / Invalid URI: The format of the URI could not be determined / The response received from the service didn't contain valid XML / The request failed. The underlying co
• Exchange Error: The request failed. The remote server returned an error: (401) Unauthorized / The request failed. The remote server returned an error: (404) Not Found
• SMTP Error: System.Net.Mail.SmtpException (General)
• SMTP Error: Open relay not allowed
• SMTP Error: System.Net.Mail.SmtpException: Failure sending mail. ---> System.Net.WebException: Unable to connect to the remote server
• SMTP Error: SendAsDeniedException.MapiExceptionSendAsDenied
• SMTP Error: 5.7.57 SMTP / Client was not authenticated to send anonymous mail
• SMTP Error: Server does not support secure connections