[Dovecot] Why not just ignore sieve include error and continue read and execute the rest of sieve rules?

[Stephan Bosch]

Zhang Huangbin schreef:
> Hi, all.
> 
> I use a global sieve script and include user's personal sieve script in
> it, but it doesn't run while user's sieve script not exist. Why not just
> ignore this error and continue read and execute the rest of sieve rules?
>
Basically, because it is required by the draft standard. I've coined 
something like that on the Sieve mailing list, but I haven't received a 
response thus far. I must admit however that it is barely ever useful to 
have optional script includes.

Regards,

-- 
Stephan Bosch
stephan at rename-it.nl