'Twas brillig, and Ian at 18/02/09 07:09 did gyre and gimble:
We dont have registration - its a once off vote anonymously using the hash
in the original email. We dont want registration otherwise it would be much
easier - but this was the best way I could think of without user
registration :/
Do you have to invite people to vote or can anyone come along and cast?
If the former you could email a UUID token to them or similar as part of
the link. Once that UUID was "spent" it wouldn't allow voting again.
I say UUID as a regular auto-incrementing id would be fairly easy to
guess ;)
Of course this may not be appropriate in this circumstance.
Col
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