managesieve - default sieve not applying

[roughnecks]

Hello,

I set up my mail server on Debian 11 (postfix, dovecot, spamassassin, roundcube) and I got an issue with managesieve.

In "90-sieve.conf" I set:

Code Select Expand

sieve_default = /var/lib/dovecot/sieve/default.sieve

Then I edited the file with a spam check, to move mail to the junk folder.

The problem is that whenever I create a new user, the default sieve I find is named "roundcube" and it's actually empty.. So where do I set the default sieve other than in the previously showed conf?
I didn't edit the managesieve plugin's configuration file.

Thanks

[roughnecks]

Anyone?