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[sahsanu]

Fixed in this topic.

Upgrading Debian 10 Buster to Debian 11 Bullseye

Just for the records. The mail issue is fixed. As @ClaudioSpcSpa wasn’t using neither clamav, spamassassin nor sieve, the fix has been easy: cp /usr/local/hestia/install/deb/exim/exim4.conf.4.95.template /etc/exim4/exim4.conf.template echo "$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c16)" > /etc/exim4/srs.conf chmod 640 /etc/exim4/srs.conf chown root:Debian-exim /etc/exim4/srs.conf systemctl restart exim4