I can send and receive email from my domain.
I can send email out my domain
But when someone try to send an email to my domain, receive a message
Diagnostic-Code: smtp;550 5.2.1 <firstname.lastname@example.org>... Mailbox disabled for this recipient
All the mailboxes are enable.
i'm using an Exchange serve 2007 sp1
Please confirm whether the MX record of your Exchange server is set correctly in the local ISP.
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