[Config] Add MAILDIR_SUB, "Maildir" for new setups by default

[Update] Add MAILDIR_SUB= for updated mailcows
[Dovecot] Read MAILDIR_SUB for mail_home

data/Dockerfiles/dovecot/docker-entrypoint.sh

@@ -106,7 +106,7 @@ chmod 644 /usr/local/etc/dovecot/mail_plugins /usr/local/etc/dovecot/mail_plugin
 cat <<EOF > /usr/local/etc/dovecot/sql/dovecot-dict-sql-userdb.conf
 driver = mysql
 connect = "host=/var/run/mysqld/mysqld.sock dbname=${DBNAME} user=${DBUSER} password=${DBPASS}"
-user_query = SELECT CONCAT(JSON_UNQUOTE(JSON_EXTRACT(attributes, '$.mailbox_format')), mailbox_path_prefix, '%d/%n/:VOLATILEDIR=/var/volatile/%u') AS mail, 5000 AS uid, 5000 AS gid, concat('*:bytes=', quota) AS quota_rule FROM mailbox WHERE username = '%u' AND active = '1'
+user_query = SELECT CONCAT(JSON_UNQUOTE(JSON_EXTRACT(attributes, '$.mailbox_format')), mailbox_path_prefix, '%d/%n/${MAILDIR_SUB}:VOLATILEDIR=/var/volatile/%u') AS mail, 5000 AS uid, 5000 AS gid, concat('*:bytes=', quota) AS quota_rule FROM mailbox WHERE username = '%u' AND active = '1'
 iterate_query = SELECT username FROM mailbox WHERE active='1';
 EOF
 

docker-compose.yml

@@ -164,7 +164,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.64
+      image: mailcow/dovecot:1.65
       build: ./data/Dockerfiles/dovecot
       cap_add:
         - NET_BIND_SERVICE
@@ -188,6 +188,7 @@ services:
         - MAILDIR_GC_TIME=${MAILDIR_GC_TIME:-1440}
         - ACL_ANYONE=${ACL_ANYONE:-disallow}
         - SKIP_SOLR=${SKIP_SOLR:-y}
+        - MAILDIR_SUB=${MAILDIR_SUB:-}
       ports:
         - "${DOVEADM_PORT:-127.0.0.1:19991}:12345"
         - "${IMAP_PORT:-143}:143"

generate_config.sh

@@ -234,6 +234,9 @@ IPV6_NETWORK=fd4d:6169:6c63:6f77::/64
 #API_KEY=
 #API_ALLOW_FROM=127.0.0.1,1.2.3.4
 
+# mail_home is ~/Maildir
+MAILDIR_SUB=Maildir
+
 EOF
 
 mkdir -p data/assets/ssl

update.sh

@@ -243,6 +243,12 @@ for option in ${CONFIG_ARRAY[@]}; do
       echo '# Disable Solr or if you do not want to store a readable index of your mails in solr-vol-1.' >> mailcow.conf
       echo "SKIP_SOLR=y" >> mailcow.conf
   fi
+  elif [[ ${option} == "MAILDIR_SUB" ]]; then
+    if ! grep -q ${option} mailcow.conf; then
+      echo "Adding new option \"${option}\" to mailcow.conf"
+      echo '# MAILDIR_SUB defines a path in a users virtual home to keep the maildir in. Leave empty for updated setups.' >> mailcow.conf
+      echo "MAILDIR_SUB=" >> mailcow.conf
+  fi
   elif ! grep -q ${option} mailcow.conf; then
     echo "Adding new option \"${option}\" to mailcow.conf"
     echo "${option}=n" >> mailcow.conf