filter log exchange online for on prem server have sent some mails

Flavio Croce 1 Reputation point

Morning , i have this question beacause i don't have found a solution , is possible to filter in exchange online a server on prem have sended some mail throught a SMTP in my enviroment ? inside this smtp don't have log enabled. in my infrastructure i have a application server with a service configured for use a internal smtp and that use 365 to send mails , my scope is to filter only mail sended from this only server, is possible ?

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  1. Rich Matheisen 45,431 Reputation points

    What do you mean by "filter"?

    If you want to allow only that one machine to use your transport then alter the permission on the transport to restrict access to just that machines' IP address.

  2. Yuki Sun-MSFT 40,916 Reputation points

    Hi @Anonymous ,

    my scope is to filter only mail sended from this only server, is possible ?

    Do you mean you want to retrieve all mails sent from the application server? If so, as far as I know, from the perspective of Exchange Online, what we can do at present is to do a Content Search using some keywords or conditions. Are those mails sent through a specific email address? If this is the case, you can try creating a content search to find mails sent from the particular email address.
    Get started with Content search

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