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Message: SMTP send ... email failed with return code ... when sending "..."

Explanation: This error message may appear in two locations. It may be displayed on the Monitor page:

EMAIL FAILURE - SMTP send Alert email failed with return code 5 when sending "03:34 - ALERT #1 - Database unresponsive - benchmark_test_on_BRECK-PC"
and it may also recorded as a exception displayed on the Foxhound Options page:
2 2010-03-10 03:34:38.484 Full Build 3642a 1000000083 223b9(223eh3) Info: SMTP send Alert email failed with return code 5 when sending "03:34 - ALERT #1 - Database unresponsive - benchmark_test_on_BRECK-PC"
Here's a list of return codes:
0  Success 
2  xp_startsmtp failed.
3  xp_stopsmtp failed.
5  xp_sendmail failed.
12  Attachment not found.
15  Insufficient memory.
20  Unknown recipient.
25  Mail session failed to start.
100 Socket error. 
    Antivirus software may have blocked the outbound connection to the SMTP server.  
    Check the "SMTP Server:" field.
101 Socket timeout. 
102 Unable to resolve the SMTP server hostname. 
103 Unable to connect to the SMTP server. 
104 Server error; response not understood.  
    Check the "SMTP Server:" field.
105 A TLS error occurred.   
    Check the "SMTP Authorization User Name:", "SMTP Authorization Password:" and 
    "SMTP Certificate Filespec:" fields.
421 Domain service not available, closing transmission channel. 
450 Requested mail action not taken: mailbox unavailable. 
451 Requested action not taken: local error in processing. Message may have 
    been rejected as spam.  
452 Requested action not taken: insufficient system storage. 
500 Syntax error, command unrecognized. (This may include errors such as 
    a command that is too long). 
501 Syntax error in parameters or arguments. 
502 Command not implemented. 
503 Bad sequence of commands. 
504 Command parameter not implemented. 
511 Bad email address.
550 Requested action not taken: mailbox unavailable. For example, the mailbox is 
    not found, there is no access, or no relay is allowed. 
551 User not local; please try forward-path. 
552 Request mail action aborted: exceeded storage allocation. 
553 Requested action not taken: mailbox name not allowed. For example, the 
    mailbox syntax is incorrect. 
554 Transaction failed. 
    The message may have been rejected as spam.

See also...
SMTP Error Codes & SMTP Status Codes & SMTP Reply Codes Reference 2010


This page was last updated on November 15, 2011.      Foxhound 3.0 FAQ Home      Foxhound Home      RisingRoad      Breck.Carter@gmail.com