Replacement for antispam plugin

[Michael Slusarz]

> On February 10, 2017 at 12:13 PM Ralph Seichter wrote:
> 
> On 10.02.17 18:34, Michael Slusarz wrote:
> > > Can we add an exception for the Trash folder?
> > This is handled in the sieve script. E.g.:
> > 
> > require "environment";
> > if environment "imap.mailbox" "Trash" {
> >  stop;
> > }
> 
> This does not work for me, and I don't really expect it to work either.
> https://tools.ietf.org/html/rfc6785#section-4.4 states:
> 
>  The implementation MUST set the Environment [RFC5183] item "imap.mailbox"
>  to the name of the mailbox that the affected message is in, in the
>  case of existing messages, or is targeted to be stored into, in the
>  case of new messages.
> 
> The message already exists in the Spam folder, hence imap.mailbox should
> be "Spam" instead of "Trash", correct?

Incorrect.

When you move a message to a new mailbox, that is a "new message" event (a new UID in the target mailbox is created; the message count increases).  So imap.mailbox is set to the name of the *target* mailbox.

> Is there perhaps another way to ensure that manually deleted spam is not
> erroneously learned as ham?
> 
> -Ralph