#! /bin/bash # shellcheck source=../scripts/helper-functions.sh . /usr/local/bin/helper-functions.sh DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-relaymap.cf} DOMAIN="${1}" function usage { echo "Usage: excluderelayhost " ; } [[ -z ${DOMAIN} ]] && { usage ; errex "no domain specified" ; } if grep -qi "^@${DOMAIN}" "${DATABASE}" 2>/dev/null then sed -i "s/^@${DOMAIN}.*/@${DOMAIN}/" "${DATABASE}" else echo -e "@${DOMAIN}" >> "${DATABASE}" fi