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| Delivery Subsystem / Message Delivery Failure / The follwing recipient(s) could not be reached | |
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When you receive one of these, look in the message for the reason, and (if present) also look for the reason code, and error number and check the corresponding section below:
Reason: Remote SMTP Server Returned: 550 5.1.1 unknown or illegal alias Reason Code: Invalid Domain Name, Error Number: 9003 Reason: Remote SMTP Server Returned: 550 Requested action not taken: mailbox unavailable Reason: Remote SMTP Server Returned: 550 MAILBOX NOT FOUND |
Shortcut to this page: http://faq.ph9.com/faq_question.asp?key=1112&topic=delivery-subsystem--message-delivery-failure--the-follwing-recipients-could-not-be-reached
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