when treatment to send a mail to * @hotmail.com, arrives to me from return with the following message: Code: This is the mail system at host server1.nod.cl. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to <postmaster> If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <[email protected]>: host mx1.hotmail.com[65.54.245.8] said: 550 Requested action not taken: mailbox unavailable (in reply to RCPT TO command)
One of the most common bounce reasons given is "550 Requested action not taken: mailbox unavailable". The interpretation of these messages is not always straightforward. In the case of Hotmail it could mean the user's mailbox doesn't exist anymore, or that the mailbox was temporary unavailable due to a technical error. It might in some cases also mean something else, as explained in the following article: Source Have a look here how to fix it.
