Jump to content

huge email Q with deferred message 451 4.7.1


Recommended Posts

Third party email gateway (on-prem) huge email Q with deferred message 451 4.7.1  ------ > MS Exchange 2016 (running on-prem Windows Server 2016)  -----> ESET for Exchange 7.3.10011.0 (default setup) : any suggestion as to how to resolve this issue as am new to emsx

Link to comment
Share on other sites

  • ESET Staff

Hi, ESET Mail Security for Exchange uses '451 4.7.1 Please try again later' response for greylisted messages, but Greylisting is turned off by default. Have you checked in-product logs or transaction logs to verify whether messages were rejected by Mail Security?

Link to comment
Share on other sites

Guest
This topic is now closed to further replies.
 Share

  • Recently Browsing   0 members

    • No registered users viewing this page.
×
×
  • Create New...