This bug was fixed in the package postfix - 3.3.0-1ubuntu0.4
--------------- postfix (3.3.0-1ubuntu0.4) bionic; urgency=medium
* d/postfix.postinst: tolerate search domain with a leading dot (LP: #1906970)
-- Paride Legovini <email address hidden> Thu, 12 Aug 2021 14:43:19 +0200
This bug was fixed in the package postfix - 3.3.0-1ubuntu0.4
---------------
postfix (3.3.0-1ubuntu0.4) bionic; urgency=medium
* d/postfix.postinst: tolerate search domain with a leading dot
(LP: #1906970)
-- Paride Legovini <email address hidden> Thu, 12 Aug 2021 14:43:19 +0200