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You need to have a working certificate installed...as does the remote organization. Self signed can be used if you install the remote org's certificate.<br />
<br />
next on your receive and send connectors, you enable TLS (if not already). Don't shut off the others unless you are setting this up with an email filtering host that you only want to send/receive from them.
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You need to have a working certificate installed...as does the remote organization. Self signed can be used if you install the remote org's certificate.

next on your receive and send connectors, you enable TLS (if not already). Don't shut off the others unless you are setting this up with an email filtering host that you only want to send/receive from them.

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Hello,<br />
<br />
Could someone please provide me with instructions for setting up SMTP communication over TLS with an outside organziation?
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Hello,

Could someone please provide me with instructions for setting up SMTP communication over TLS with an outside organziation?

TLS on Exchange 2003

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.