Ironport Blocks automatic reply messages from exchange
we are facing issue in out of office replies, where when we set Out of office for both internal and External, External users are not getting acknowledge that user is out of office. in the ironport message tracking we can see that it is dropping the auto-reply mails with below error:
Message 9022943 aborted: Dropped by filter 'DropNDRs'
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Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...