Well could yo record if you sent any particular email, and
not resend it ?

On Mar 18, 6:05 am, prgmratlarge <[email protected]> wrote:
> "When implementing the code for Tasks (as worker URLs within your
> app), it is important that you consider whether the task is
> idempotent. App Engine's Task Queue API is designed to only invoke a
> given task once, however it is possible in exceptional circumstances
> that a Task may execute multiple times (e.g. in the unlikely case of
> major system failure). Thus, your code must ensure that there are no
> harmful side-effects of repeated execution." -http://code.google.com/
> appengine/docs/python/taskqueue/overview.html
>
> According to this part of the documentation, it would seem that
> setting up an email-sending task-queue is impossible. After all,
> sending someone the same email thousands of times would be disastrous.
> Yet the documentation also gives email sending as an example use of
> the Task Queue.
>
> This seems to be contradictory. How can I create a Task Queue for
> sending email without running into problems of idempotence?
>
> Thanks for your help.

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