449 – Routing error (also called SMTP Error 4.4.9)
by admin on Jan.26, 2010, under Mail
SMTP Error 449 : This is a Microsoft Exchange Server specific error code. As per Microsoft’s documentation this error code is returned when either of the following conditions occurs : an SMTP connector is configured to use DNS without a smart host and also uses a non-SMTP address space (e.g. X.400), or A message was sent to a recipient who was identified as a member of a routing group that was deleted.
Microsoft recommends using the WinRoute tool to troubleshoot this error (Microsoft Knowledgebase article 281382)
Related posts:
- 450 – Requested action not taken – The mailbox was unavailable at the remote end. A secondary SMTP error code may follow “450” to refine the reason for the failure to transmit the message, e.g. “SMTP Error 450 (also called SMTP Error 4.5.0) SMTP Error 450 : The server could not access the...
- 421 – <Server name> Service not available – the sending email program should try again later (also called SMTP Error 4.2.1) SMTP Error 421 : The Mail transfer service is unavailable...
- 250 – Requested mail action OK completed (also called SMTP Error 2.5.0) SMTP Status 250 : The mail server has successfully delivered...
- 251 – User not local will forward (also called SMTP Error 2.5.1) SMTP Status 251 : The email account is not local...
- 446 – The maximum hop count was exceeded for the message (also called SMTP Error 4.4.6) SMTP Error 446 : The maximum hop count was exceeded...
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