Add smtpd.conf

Dockerfile

@@ -3,6 +3,7 @@ FROM debian:stable-slim
 ENTRYPOINT ["/docker-entrypoint.sh"]
 CMD ["/usr/sbin/saslauthd", "-d", "-a", "ldap", "-O", "/etc/sasl2/saslauthd.conf"]
 
+COPY smtpd.conf /etc/sasl2/smtpd.conf
 COPY entrypoint.sh /docker-entrypoint.sh
 
 RUN apt update && DEBIAN_FRONTEND=noninteractive apt install -y ca-certificates sasl2-bin libsasl2-modules-ldap && rm -rf /var/lib/apt/lists/*

entrypoint.sh

@@ -1,7 +1,5 @@
 #!/bin/sh
 
-mkdir -p /etc/sasl2/
-
 cat <<EOF > /etc/sasl2/saslauthd.conf
 ldap_servers: ${LDAP_SERVERS}
 ldap_search_base: ${LDAP_SEARCH_BASE}

smtpd.conf

@@ -0,0 +1,2 @@
+pwcheck_method:saslauthd
+mech_list: PLAIN LOGIN