How can i check Opportunistic TLS is taking place on exchange 2010 ?

Hi,

I've got an Exchange 2010 server using a smart host and I'd like to test that Opportunistic TLS is taking place between my exchange server and smart host.

As far as I can tell my exchange server is configured for this my SMTP server is configured with an SSL cert and TLS is set on the receive connector. Telnet to both Receive connectors displays STARTTLS is there any other way I can see if this is being negotiated between the 2 for my users mail ?

thanks
Z1ggyAsked:
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Simon Butler (Sembee)ConsultantCommented:
Send an email, then look at the headers.
If TLS was used for the transfer, then (TLS) will be in the header for that hop.

Simon.
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