[jQuery] [validate] Sending Two Inputs Together to Remote Validation?

Is it possible to send two of the inputs in a form together to a
remote validation php script?
For example, I would like to check whether a person called 'Bob' has
the email address 'bob@example.com'. The php script would need pieces
of information from both the name input and the email address input.
How could I do this?
Thanks in advance,
George