docker-mailserver/target/postsrsd-wrapper.sh

#!/usr/bin/env bash
# postsrsd-wrapper.sh, version 0.2.1

DOMAINNAME="$(hostname -d)"
sed -i -e "s/localdomain/$DOMAINNAME/g" /etc/default/postsrsd

if [ -n "$SRS_SECRET" ]; then
  echo "$SRS_SECRET" | tr ',' '\n' > /etc/postsrsd.secret
fi

if [ -n "$SRS_EXCLUDE_DOMAINS" ]; then
  sed -i -e "s/^#\?SRS_EXCLUDE_DOMAINS=.*$/SRS_EXCLUDE_DOMAINS=$SRS_EXCLUDE_DOMAINS/g" /etc/default/postsrsd
fi

/etc/init.d/postsrsd start