[Dovecot] Filter by compose project name, create trusted map for SOGo IP, run DNS check before starting service

data/Dockerfiles/dovecot/docker-entrypoint.sh

@@ -7,6 +7,11 @@ while ! mysqladmin status --socket=/var/run/mysqld/mysqld.sock -u${DBUSER} -p${D
   sleep 2
 done
 
+until dig +short mailcow.email @unbound > /dev/null; do
+  echo "Waiting for DNS..."
+  sleep 1
+done
+
 # Do not attempt to write to slave
 if [[ ! -z ${REDIS_SLAVEOF_IP} ]]; then
   REDIS_CMDLINE="redis-cli -h ${REDIS_SLAVEOF_IP} -p ${REDIS_SLAVEOF_PORT}"
@@ -235,6 +240,13 @@ namespace {
 }
 EOF
 
+cat <<EOF > /etc/dovecot/sogo_trusted_ip.conf
+# Autogenerated by mailcow
+remote ${IPV4_NETWORK}.248 {
+  disable_plaintext_auth = no
+}
+EOF
+
 if [[ "${ALLOW_ADMIN_EMAIL_LOGIN}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
     # Create random master Password for SOGo 'login as user' via proxy auth
     RAND_PASS=$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1)