Merge branch 'supervisord' into 'master'

docker-compose.yml

pica-mail-mta/CHANGELOG.md

pica-mail-mta/Dockerfile

pica-mail-mta/config.sh

pica-mail-mta/entrypoint.sh

pica-mail-mta/etc/opendkim.conf

pica-mail-mta/etc/opendmarc.conf

pica-mail-mta/etc/opendmarc/ignore.hosts

pica-mail-mta/etc/pica-mail-supervisord.conf

pica-mail-mta/etc/postfix/master.cf

pica-mail-mta/saslauthd-postfix

pica-mail-mta/spam/opendkim

pica-mail-mta/spam/opendkim.conf

pica-mail-mta/spam/opendmarc

pica-mail-mta/spam/opendmarc.conf

pica-mail-mta/tests/local_mailbox_ldap_sasl/Dockerfile

pica-mail-mta/tests/local_mailbox_ldap_sasl/README.md

pica-mail-mta/tests/local_mailbox_ldap_sasl/entrypoint2.sh

pica-mail-mta/tests/local_mailbox_ldap_sasl/local_users

...-mail-mta/tests/local_mailbox_ldap_sasl/saslauthd-postfix