Hi Thomas
Thank you for your reply.
It's probably worth to look a the thunderbird_labels plugin for Roundcube [1]. It uses IMAP flags to store custom labels. Custom flags need to be supported by the IMAP server with the PERMANENTFLAGS capability. You can check this with the following command from within a plugin:
Thank you, Brendan already pointed out to me, that custom flags retrieval support is built in in RC via list_flags function.
$this->rc->storage->check_permflag('Junk') || $RCMAIL->storage->check_permflag('*');
Then setting and unsetting those flags should be possible.
In order to check a certain flag, you have to test it in the message object and not the IMAP storage instance in Roundcube. Do this in one of the message hooks like message_load [2] or messages_list [3]:
if (!empty($message->headers->flags['Junk']))
Yes I had a look at this function.
Unfortunately, as far as I have found out, custom flags are not returned nor queried by the header->flags function. But list_flags looks promising, my first test dumped all the custom flags of the messages submitted to that function. Now I just have to build some logic around to filter out the already reported (flagged as JUNK) messages from the array the of msg_id's the customer is reporting. I suppose I will get that done today :-)
-Benoît Panizzon-
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