We have collected information about Queued Mail For Delivery Ironport for you. Follow the links to find out details on Queued Mail For Delivery Ironport.
https://community.cisco.com/t5/email-security/ironport-log-says-message-queued-for-delivery-recipient-never/td-p/2680257
Ironport log says Message # queued for delivery. Recipient never gets it. seems like a few domains that we have people trying to send mail to that use *.mail.protection.outlook.com are not receiving the email.
https://www.reddit.com/r/Cisco/comments/2unz2t/cisco_ironport_esa_holding_messages_in_queued_for/
Cisco IronPort ESA holding messages in "queued for delivery." status for hours Over the past couple of weeks, my ESA is taking anywhere from 15 minutes to two hours to deliver emails to users.
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