Vacation sieve explained: how does it work?

[Graham Leggett]

On 23 Sep 2020, at 14:07, Marc Roos <M.Roos at f1-outsourcing.eu> wrote:

> It is just a sieve rule.
> 
> 1. 
> On disk default file .dovecot.sieve
> 
> 2. I am using roundcube webmail for that.
> 
> 3. with if false # true
> # rule:[Out of Office]
> if true
> {
>     vacation :days 1 :subject "Test" "test test";
> }

Is there a way to inject variables from the userdb into the above?

For example, if I was to pass the vacation message attribute through the userdb lookup, could I then test if the variable was present, and then embed that variable in the message?

Regards,
Graham
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