Dears,
we have urgent issue all email form internal and external stayed in the Queue for one hour then delivered for the users
this below error i found in the queue in error message tab
"Last Error"
"mailbox database xxxxxxxxxx" "SMTP Delivery to Mailbox" Connecting 16 "[{LRT=6/1/2015 11:11:43 AM};{LED=441 4.4.1 Error encountered while communicating with primary target IP address: ""Failed to
connect. Winsock error code: 10060, Win32 error code: 10060."" Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was xx.xx.xx.xx:475};{FQDN=mailbox
database xxxxxxxxx};{IP=xx.xx.xx.xx}]"
Please Help Me really its a urgent issue