Vacation Fcc

Stephan Bosch stephan at
Mon Oct 14 10:46:57 EEST 2019

On 11/10/2019 10:24, Gregory Heytings via dovecot wrote:
> Hi list,
> I use Dovecot's Pigeonhole Sieve implementation, and there is one 
> little feature I'm missing:  When a vacation message is sent, I'd like 
> to keep a copy of that message in my "sent" mailbox.
> There is an RFC draft (draft-ietf-extra-sieve-fcc-09) for this, which 
> adds a ":fcc" argument to vacation, but apparently it's not supported 
> by Pigeonhole.

Actually, it is RFC already: .

> I have two questions:
> Will ":fcc" be supported in the future?

I'd say yes, but it is not simple to implement, nor is it high up in our 
list of priorities.

> In the meantime (or if supporting ":fcc" is not planned), is it 
> possible to achieve the same result with the existing Sieve 
> extensions?  (I can imagine a way to do this at the MTA level by 
> checking the presence of the "Auto-Submitted:" header, but did not 
> test it.)

I can't think of any means to do that within the Sieve language.



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