This bug was fixed in the package postfix - 3.4.13-0ubuntu1.2
--------------- postfix (3.4.13-0ubuntu1.2) focal; urgency=medium
* d/rules: Removed LDFLAG -Bsymbolic-functions (LP: #1885403).
-- Miriam España Acebal <email address hidden> Tue, 07 Sep 2021 08:58:01 +0200
This bug was fixed in the package postfix - 3.4.13-0ubuntu1.2
---------------
postfix (3.4.13-0ubuntu1.2) focal; urgency=medium
* d/rules: Removed LDFLAG -Bsymbolic- functions (LP: #1885403).
-- Miriam España Acebal <email address hidden> Tue, 07 Sep 2021 08:58:01 +0200