[Dovecot] Idea: POP3 deletion as a flag

[Timo Sirainen]

On 3.5.2013, at 19.55, Robert Schetterer <rs at sys4.de> wrote:

> Am 03.05.2013 18:14, schrieb Timo Sirainen:
>> GMail doesn't delete mails when POP3 client issues a DELE command for it. Instead they just become invisible for future POP3 sessions, but they still exist for IMAP/webmail. The same could be implemented pretty easily for Dovecot:
>> 
>> - Add a new setting to enable this: pop3_deleted_flag = $POP3Deleted
>> - When DELEting a message, add this flag to the message.
>> - When listing messages, skip all messages that have this flag.
> 
> My vote, do it , if it doesnt break anything else, but a wiki help
> should be offered too.
> 
>> - Also hide this flag from IMAP clients(?)
> 
> wouldnt do this, that may end in user confusion

Just about zero IMAP clients make IMAP keywords visible to users, so I'm not really sure which way to go here. I'm more thinking of it as an internal POP3 state which doesn't really need to be visible to IMAP clients, but then again I guess it wouldn't really hurt either.