[Tickets #12715] Re: Automatically add invitations to calendar

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Ticket URL: http://bugs.horde.org/ticket/12715
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  Ticket             | 12715
  Updated By         | Michael Slusarz <slusarz at horde.org>
  Summary            | Automatically add invitations to calendar
  Queue              | IMP
  Version            | Git master
  Type               | Enhancement
-State              | Feedback
+State              | Rejected
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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Michael Slusarz <slusarz at horde.org> (2013-10-07 13:13) wrote:

> I do not even want to open the message. If the mail is an invitation  
> it should just automatically be added to the calendar (in state  
> "tentative") as soon as it arrives in the mailbox (or is processed  
> by whcihever process of horde).

This is NOT something that Horde/IMP can/should do.  Actions triggered  
on delivery to a mailbox is something that needs to be done on the MTA  
level.

> If I want to attend/accept/decline the invitation, I open this  
> calendar item (or the mail!?) and accept/decline it. Or just keep it  
> in the calendar for reference.

Except this is just the opposite of every other workflow.  The default  
for calendaring is that you are free, and only when you pro-actively  
decide to schedule something does your time become busy.

Having the default be that all of your time might be busy, and you  
de-select an event, is working backwards.

Imagine I send someone an e-vite.  The default should be that the  
recipient has to opt-in to the event.  Having the event be put into  
your calendar, and only later do you opt-out, makes no sense  
(especially from the sender: if they look at your calendar and see it  
in, they are going to assume that you are coming and will plan  
accordingly.)

> You are right, spammers could easily flood your calendar. Users  
> should either have a spamchecker installed or keep the "auto add  
> invitations to calendar" option switched off if this is a problem  
> for them. But I have never seen spam invitations :)

Then this is the fatal flaw in your argument . You can NEVER implement  
a feature that can be used to spam.  Just because you haven't seen it  
doesn't mean it 1) doesn't exist or 2) won't be exploited in the future.