[Kolab-devel] Feature-request: Recall locally delivered mail

[Torsten Grote]

Hi Henning,

On Wednesday 09 July 2014 17:26:55 Henning wrote:
> some of my users are asking me if there could be a recall feature for 
> locally delivered mail. Could it?

This could be possible for locally delivered mail, but it is certainly tricky 
to implement as you would need to make very sure that people can not remove 
arbitrary mails from other people's inboxes.

So you would need some kind of daemon that can have access to all your users 
mailboxes.

> If yes, this should only be possible as long as the message remains unread
> by all recipients and present in their inboxes (one would have to examine
> the read-flags of the message for those users).

Sometimes people read a message, but reset the read flag to find the message 
again later.

> Alternatively, one could some delivery-delay feature (hold the mail in 
> cache some user-set time before delivery) to realize a recall-feature?

This would certainly be the preferable approach. My text (SMS) app on Android 
has this with a configurable delay.

Kind Regards,
Torsten

-- 
Torsten Grote
Kolab.org Community Manager

e: torsten at kolab.org
w: https://Kolab.org

pgp: 0x2175A534A4F2EFA3