[Dovecot] Idea: POP3 deletion as a flag

[Timo Sirainen]

On 11.5.2013, at 19.47, Daniel Parthey <daniel.parthey at informatik.tu-chemnitz.de> wrote:

> Timo Sirainen wrote:
>> Kelsey already mentioned that lazy_expunge plugin has similar issues, and
>> nobody has mentioned privacy concerns related to that.. I guess there should
>> be something about it in the wiki. Also mdbox format doesn't physically
>> delete the data until doveadm purge is run (if ever). So this isn't the first
>> such feature.
> 
> Some of our users are using pop3 collectors to fetch (and delete) the mails,
> while other users are using mobile phones and might want to use this feature.
> 
> If the pop3_delete_flag option is globally enabled, will the pop3 user
> be able to delete any pop3 mails and not be billed for the storage?
> Our POP3 customers really don't want to pay for emails which they
> don't see and don't want to keep on the server, but the pop3 collector
> will not connect via IMAP to the server to finally expunge the mails.
> 
> So this rises a quota/storage accounting question for pop3-only users.

It gets counted towards quota. If you don't want that, you could use lazy-expunge plugin, although its behavior is different.

Anyway, implemented this to v2.2: http://hg.dovecot.org/dovecot-2.2/rev/5984de096e3e