+vnd.dovecot.duplicate for Bogofilter duplication shortcomings

[Stephan Bosch]

Op 6/15/2017 om 12:19 PM schreef Luescher Claude:
> I have +vnd.dovecot.duplicate plugin enabled but it seems to be
> ineffective. Any other tips for a workaround?
>

Enabling that extension does nothing by itself. You need to add a
corresponding rule to your Sieve script.

Also, that is the deprecated name for that extension. It is explained
fully here:

https://tools.ietf.org/html/rfc7352

Regards,

Stephan.