Package: fetchmail Version: 6.4.13-1 Followup-For: Bug #973630 I can confirm this issue and it can be solved by a rebuild by a simple bNMU.
-- System Information: Debian Release: bullseye/sid APT prefers testing APT policy: (500, 'testing'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.13.0-1-amd64 (SMP w/4 CPU threads) Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages fetchmail depends on: ii adduser 3.118 ii debianutils 4.11.2 ii libc6 2.31-4 ii libcom-err2 1.45.6-1 ii libgssapi-krb5-2 1.17-10 ii libhesiod0 3.2.1-3.1 ii libkrb5-3 1.17-10 ii libssl1.1 1.1.1g-1 ii lsb-base 11.1.0 Versions of packages fetchmail recommends: ii ca-certificates 20200601 Versions of packages fetchmail suggests: ii exim4-daemon-heavy [mail-transport-agent] 4.94-8 pn fetchmailconf <none> pn resolvconf <none> -- Configuration Files: /etc/default/fetchmail changed: OPTIONS=--nosslcertck START_DAEMON=yes -- no debconf information