Install libsasl2-modules-db by entering the following commands in the terminal:
sudo apt update sudo apt install libsasl2-modules-db
Description:
Cyrus SASL - pluggable authentication modules (DB)
This is the Cyrus SASL API implementation, version 2.1. See package libsasl2-2 and RFC 2222 for more information. . This package provides the DB plugin, which supports Berkeley DB lookups.
Homepage: https://www.cyrusimap.org/
Version: 2.1.27~101-g0780600+dfsg-3ubuntu2
Section: libs