Merge pull request #672 from xiliuya/docs/docker/465-port

docs: fix docker command not open 465

docs/docker.md

@@ -40,8 +40,8 @@ To run management commands, create a temporary container with the same
 /data directory and put the command after the image name, like this:
 
 ```
-docker run --rm -it -v maddydata:/data foxcpp/maddy:0.6.0 creds create [email protected]
-docker run --rm -it -v maddydata:/data foxcpp/maddy:0.6.0 imap-acct create [email protected]
+docker run --rm -it -v maddydata:/data foxcpp/maddy:0.7 creds create [email protected]
+docker run --rm -it -v maddydata:/data foxcpp/maddy:0.7 imap-acct create [email protected]
 ```
 
 Use the same image version as the running server. Things may break badly
@@ -65,9 +65,10 @@ docker run \
   -v maddydata:/data \
   -p 25:25 \
   -p 143:143 \
+  -p 465:465 \
   -p 587:587 \
   -p 993:993 \
-  foxcpp/maddy:0.6
+  foxcpp/maddy:0.7
 ```
 
 It will fail on first startup. Copy TLS certificate to /data/tls/fullchain.pem