SMTP Status Codes

Download Chilkat Email ActiveX

Getting the SMTP server status response code for the last attempt of sending email.

' The mailman.LastSmtpStatus property contains the SMTP server status
' reply code for the last email sent (or attempted to be sent).
' You may use this as part of an error-recovery scheme.
Private Sub Command15_Click()

    ' Here is our code for sending email, which you've probably seen over and over again by now...
    Dim mailman As New ChilkatMailMan2
    mailman.UnlockComponent "Anything for 30-day trial"
        
    ' Create a new email object...
    Dim email As New ChilkatEmail2
    email.Subject = "This is a test"
    email.Body = "This is the mail body"
    email.AddTo "Chilkat Support", "support@chilkatsoft.com"
    email.From = "Chilkat Sales <sales@chilkatsoft.com>"
        
    mailman.SmtpHost = "smtp.comcast.net"
    success = mailman.SendEmail(email)
    If (success = 0) Then
        smtpStatus = mailman.LastSmtpStatus
        
' Some common SMTP status codes are as follows:
' 211 - System status message.
' 214 - Help message formatted for human reader follows.
' 220 - SMTP service ready.
' 221 - Service/connection closing.
' 250 - Successful request. Action completed.
' 251 - Recipient is not local to the server, but the server will accept and forward the message.
' 252 - Recipient cant be verified, but the server will accept the message and attempt delivery.
' 354 - Start message input now, end with .. Indicates the server is ready to accept a message once youve given it From: and To: information
' 421 - Service is not available and connection will be closed.
' 450 - Requested command failed because the recipients mailbox is unavailable.
' 451 - Command has been aborted due to a server error. Possibly notify your SysAdmin.
' 452 - Command has been aborted because the server has insufficient system storage.
' 500 - Server could not recognize the command was due to a syntax error. (usually due to mail client error)
' 501 - Syntax error was found in command arguments. (usually due to mail client error)
' 502 - Command was not implemented. (usually due to mail client error)
' 503 - Server has encounterd a bad command or sequence of commands. (usually due to mail client error)
' 504 - Command parameter is not implemented. (usually due to mail client error)
' 550 - Command failed because the users mailbox was unavailable (or you did not have permissions to send to this mailbox)
' 551 - Recipient is not local to the server. Server responds with a fowarding address that should be tried.
' 552 - Action was aborted because storage allocation was exceeded.
' 553 - Action was aborted because the mailbox name was invalid.
' 554 - Transaction failed, without a clear reason.
        
        MsgBox mailman.LastErrorText
    Else
        MsgBox "Mail Sent!"
    End If

End Sub