Substituting another attribute for mail

[Edenfield, Dusty]

We are trying to implement Dropbox SSO and have hit a snag.  Dropbox is registered with InCommon and accepts the essential attribute bundle as explained in their documentation<https://www.dropbox.com/help/9125>.  Dropbox states that it uses the email part of the bundle to identify users.  For us, the email attribute is an email alias that may change depending on user preference or if they sign in under a different account that they own.  We would prefer that Dropbox uses EPPN as the identifier since it is consistent across accounts for a given user.

Is there a way to substitute EPPN for the mail attribute that Dropbox sees?  The result would be that EPPN and mail match, and Dropbox doesn't know about the email alias issue.

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Dusty Edenfield
Systems/IT Architect
OIT-Enterprise Information Systems
Georgia Institute of Technology
(w) 404-385-4729

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