docker-postfix/integration-tests/external-tools-test/tests/test.sh

#!/bin/sh
set -e
set -x

if ! hash netstat; then
    echo "netstat not found!" >2
    exit 1
fi

if ! hash nc; then
    echo "netcat not found!" >2
    exit 1
fi

if ! hash pluginviewer && ! hash saslpluginviewer; then
    echo "pluginviewer not found!" >2
    exit 1
fi