How about the Subscription module (http://drupal.org/project/subscriptions)?
--
sharmishtha gupta wrote:
> hi all
>
> I am in middle of an application which requires the functionality of
> subscription.
> I am using drupal 6.6 and wanted to provide functionality for
> authenticated user.
> So that certain files could be send by mail to registered users.
>
> Please suggest some module for this or the way to implement the
> functionality.
> Thanks in advance
>
> --Sharmishtha
>
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