fix(api): added endpoint to list locked domains

lib/api-server.js

@@ -617,6 +617,23 @@ class APIServer {
             return next();
         });
 
+        // list skipped domains for a zone
+        this.server.get('/skipdomains/:zone', (req, res, next) => {
+            if (!this.queue) {
+                res.json(500, {
+                    error: 'Service not yet started'
+                });
+                return next();
+            }
+
+            let skipDomains = this.queue.locks.listSkipDomains(req.params.zone);
+
+            res.json({
+                skipDomains
+            });
+            next();
+        });
+
         // list queued recipients for a zone
         this.server.get('/suppressionlist', (req, res, next) => {
             if (!this.queue) {

lib/sender.js

@@ -25,10 +25,12 @@ const base32 = require('base32.js');
 // handle DNS resolving
 require('./ip-tools');
 
-const DEFAULT_DEFER_TIMES = [
-    5 /* 5 */, 7 /* 12 */, 8 /* 20 */, 25 /* 45 */, 75 /* 2h */, 120 /* 4h */, 240 /* 8h */, 240 /* 12h */, 240 /* 16h */, 240 /* 20h */, 240 /* 24h */,
-    240 /* 28h */, 240 /* 32h */, 240 /* 36h */, 240 /* 40h */, 240 /* 44h */, 240 /* 48h */
-].map(v => v * 60 * 1000);
+const DEFAULT_DEFER_TIMES =
+    config.queue.deferTimes ||
+    [
+        5 /* 5 */, 7 /* 12 */, 8 /* 20 */, 25 /* 45 */, 75 /* 2h */, 120 /* 4h */, 240 /* 8h */, 240 /* 12h */, 240 /* 16h */, 240 /* 20h */, 240 /* 24h */,
+        240 /* 28h */, 240 /* 32h */, 240 /* 36h */, 240 /* 40h */, 240 /* 44h */, 240 /* 48h */
+    ].map(v => v * 60 * 1000);
 
 const POLICY_RESPONSE = 'Failed to establish a TLS connection to the MX server as requested by policy';