Merge #1078

1078: expose pop3 port, remove imap-ssl from dovecot in kubernetes manifest r=mergify[bot] a=sbias

## What type of PR?
bug-fix

## What does this PR do?
Exposes provided pop3 service in service definition to get useable by front

Co-authored-by: sbias <sb@liztv.net>

docs/kubernetes/mailu/imap.yaml

@@ -30,11 +30,16 @@ spec:
             name: maildata
             subPath: overrides
         ports:
-          - containerPort: 2102
-          - containerPort: 2525
-          - containerPort: 143
-          - containerPort: 993
-          - containerPort: 4190
+          - name: imap-auth
+            containerPort: 2102
+          - name: imap-transport
+            containerPort: 2525
+          - name: pop3
+            containerPort: 110
+          - name: imap-default
+            containerPort: 143
+          - name: sieve
+            containerPort: 4190
         resources:
           requests:
             memory: 1Gi
@@ -69,12 +74,12 @@ spec:
   - name: imap-transport
     port: 2525
     protocol: TCP
+  - name: pop3
+    port: 110
+    protocol: TCP
   - name: imap-default
     port: 143
     protocol: TCP
-  - name: imap-ssl
-    port: 993
-    protocol: TCP
   - name: sieve
     port: 4190
     protocol: TCP