SMTP relay config seems broken

[Tho]

I also had this postfix issue after upgrading to Bullseye, and after doing following commands everything worked well

Beta-stage testing for Yunohost 11.0/Bullseye and Buster->Bullseye migration

I tried the beta and here are my observations: vmail user homedir does not exist anymore (used to be /home/vmail but now /var/vmail), preventing fetchmail to start. A possible workaround is to create /var/vmail with vmail:mail ownership php7.3-fpm.service failed to restart, but restarting it manually after the upgrade works fine postfix regen-conf failing with the error Warning: postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied. It looks like the issue stems from /et…