[Dovecot, Compose] New Dovecot image, upgrade to 2.3.2 (0.5.2 PH), fixes various bugs including replication over TCP

data/Dockerfiles/dovecot/Dockerfile

@@ -3,8 +3,8 @@ LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
 ENV LC_ALL C
-ENV DOVECOT_VERSION 2.3.1
-ENV PIGEONHOLE_VERSION 0.5.1
+ENV DOVECOT_VERSION 2.3.2
+ENV PIGEONHOLE_VERSION 0.5.2
 
 RUN apt-get update && apt-get -y --no-install-recommends install \
   automake \

docker-compose.yml

@@ -169,7 +169,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.27
+      image: mailcow/dovecot:1.28
       build: ./data/Dockerfiles/dovecot
       cap_add:
         - NET_BIND_SERVICE