How to block spam invitations in exchange 2013


  • Hello,

    We are supporting one of our client having issues in their environment, many internal users email ids generating a spam invitations(meetings) to many more users in the same environment. 

    External spamming or hacking is not possible, its highly secure through MS Online gateway.

    How to stop this? 

    Details: Exchange server 2013 CU13, Outlook 2013/2010 latest patch.

    Thanks in advance

    Sabarish B

    Wednesday, March 1, 2017 7:38 PM

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