troubleshooting Question

I need to implement TLS between our client computers and our email host server.

Avatar of DeveloperMM_2003
DeveloperMM_2003 asked on
Email SoftwareEmail Protocols
3 Comments1 Solution208 ViewsLast Modified:
One of our clients is requiring that all emails sent to them be TLS Encrypted.  I spoke with our email hosting company and they said that all emails are sent TLS if the end server allows it.  Our client sent us a test email and had me return to them all of the header information.  Apparently our test failed.  Their response was this:

"While I do see TLS occuring between CLIENT_NAME_HERE and Postini, I do not see it between your mailserver and Postini.  In order to ensure a message is secured during its path over the public internet, we need messages transmitted between your company and Postini to also be sent using TLS."

 I am assuming that the postini server is our email hosting company.  How can I make sure that our messages are being sent from each client machine to the pop3 server using TLS?  I really don't know where to start.  Does this involve purchasing a certificate from Verisign?
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