add more rules

manifests/rules/imap.pp

+# manage incoming imap
+class firewall::rules::imap {
+  include firewall
+  if $firewall::use_nftables {
+    nftables::rule {
+      'default_in-imap':
+        content => 'tcp dport {143, 993} accept',
+    }
+  } else {
+    include shorewall::rules::imap
+  }
+}

manifests/rules/managesieve.pp

+# manage incoming managesieve
+class firewall::rules::managesieve {
+  include firewall
+  if $firewall::use_nftables {
+    nftables::rule {
+      'default_in-managesieve':
+        content => 'tcp dport 4190 accept',
+    }
+  } else {
+    include shorewall::rules::managesieve
+  }
+}

manifests/rules/out/managesieve.pp

+# outgoing managesieve
+class firewall::rules::out::managesieve {
+  include firewall
+  if $firewall::use_nftables {
+    nftables::rule {
+      'default_out-managesieve':
+        content => 'tcp dport 4190 accept',
+    }
+  } else {
+    include shorewall::rules::out::managesieve
+  }
+}

manifests/rules/pop3.pp

+# manage incoming pop3
+class firewall::rules::pop3 {
+  include firewall
+  if $firewall::use_nftables {
+    nftables::rule {
+      'default_in-pop3':
+        content => 'tcp dport {110, 995} accept',
+    }
+  } else {
+    include shorewall::rules::pop3
+  }
+}