Browsing articles tagged with " Exchange 2010"

Exchange 2010 : #550 4.4.7 QUEUE.Expired; message expired ##

Last week I had a customer who started having problems sending emails to one particular recipient. The user was getting bounce mails with the error > #550 4.4.7 QUEUE.Expired; message expired ## Which typically would mean that the sending server has given up. Protocol-logs show that the server initiates a connection, but that’s it, no further logging. It never gets as far as trying to send an email. The queue says the error message is┬áHelo […]