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Subject: Re: "resubmission" feature
From: Samuel Tardieu (saminf.enst.fr)
Date: Mon Jul 03 2000 - 09:20:38 CDT

>>>>> "Lutz" == Lutz Vieweg <lkvisg.de> writes:

Lutz> - Has somebody already implemented something like this?

This is an interesting idea; my first answer would be "this is not a
MTA job" but thinking more about it, Postfix eases this kind of job.

Lutz> - If not - do you've got ideas/hints for me how to implement
Lutz> this? Especially: What format would you propose for the
Lutz> "special" address, and what would have to be done to make such
Lutz> an add-on available to other postfix-users as well?

It would be great to have any "guessable" date format to work. For
example, tuesdayreminder.mydomain would resent the mail next
tuesday. Or 2000-09-01reminder.mydomain on September 1st. The
person to send it to is the sender of the message here, and could be
changed by sending the mail to
2000-09-01+otherlocalaccountreminder.mydomain.

Lutz> - How would one make such a feature "safe", that is, make sure
Lutz> only the user itself or one of a selected IP-pool could
Lutz> trigger such "resubmissions"?

You can define a new transport for reminder.mydomain.com to call
your own program (that does all the job). And you can use Postfix
access rules to restrict access to reminder.mydomain as you like.

  Sam 

-- 
Samuel Tardieu -- saminf.enst.fr