[Rspamd] Fix DKIM siging (base64 hash line folding)

data/Dockerfiles/rspamd/Dockerfile

@@ -7,8 +7,9 @@ ENV LC_ALL C
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
 	gnupg2 \
-	&& apt-key adv --fetch-keys http://rspamd.com/apt-stable/gpg.key \
-	&& echo "deb http://rspamd.com/apt-stable/ stretch main" > /etc/apt/sources.list.d/rspamd.list \
+	apt-transport-https \
+	&& apt-key adv --fetch-keys https://rspamd.com/apt-stable/gpg.key \
+	&& echo "deb https://rspamd.com/apt/ stretch main" > /etc/apt/sources.list.d/rspamd.list \
 	&& apt-get update && apt-get install -y rspamd \
 	&& rm -rf /var/lib/apt/lists/* \
 	&& echo '.include $LOCAL_CONFDIR/local.d/rspamd.conf.local' > /etc/rspamd/rspamd.conf.local \

docker-compose.yml

@@ -80,7 +80,7 @@ services:
             - clamd
 
     rspamd-mailcow:
-      image: mailcow/rspamd:1.1
+      image: mailcow/rspamd:1.2
       build: ./data/Dockerfiles/rspamd
       command: > 
         /bin/bash -c "