https://community.checkpoint.com/t5/General-Topics/configuring-checkpoint-as-email-smart-host-in-exchange-server/m-p/86259#M17309 I'd start here: <A href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk109699" target="_blank">https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk109699</A><BR />Note that we can perform MTA functions in conjunction with Threat Prevention or DLP.<BR />Independent of those features, I don't believe we support MTA usage. Mon, 25 May 2020 19:52:27 GMT PhoneBoy 2020-05-25T19:52:27Z https://community.checkpoint.com/t5/General-Topics/configuring-checkpoint-as-email-smart-host-in-exchange-server/m-p/86147#M17291 <P>I need help</P><P>we are trying to replace Microsoft TMG of edge server we try to configure exchange server as smart host&nbsp; to communicate with checkpoint which will serve as gateway between mailbox servers and the internet.</P><P>any idea on how to achieve this.</P> Sun, 24 May 2020 10:54:02 GMT https://community.checkpoint.com/t5/General-Topics/configuring-checkpoint-as-email-smart-host-in-exchange-server/m-p/86147#M17291 mahmudjibril 2020-05-24T10:54:02Z https://community.checkpoint.com/t5/General-Topics/configuring-checkpoint-as-email-smart-host-in-exchange-server/m-p/86259#M17309 I'd start here: <A href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk109699" target="_blank">https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk109699</A><BR />Note that we can perform MTA functions in conjunction with Threat Prevention or DLP.<BR />Independent of those features, I don't believe we support MTA usage. Mon, 25 May 2020 19:52:27 GMT https://community.checkpoint.com/t5/General-Topics/configuring-checkpoint-as-email-smart-host-in-exchange-server/m-p/86259#M17309 PhoneBoy 2020-05-25T19:52:27Z