Issue #3256740: Add an option to disable peer verification for SMTP

config/schema/symfony_mailer.schema.yml

@@ -69,6 +69,25 @@ symfony_mailer.transport_plugin.smtp:
     port:
       type: integer
       label: 'Port'
+    query:
+      type: mapping
+      label: 'URL query parameters'
+      mapping:
+        verify_peer:
+          type: boolean
+          label: 'Verify peer'
+        local_domain:
+          type: string
+          label: 'HELO command domain name'
+        restart_threshold:
+          type: integer
+          label: 'Restart threshold'
+        restart_threshold_sleep:
+          type: integer
+          label: 'Restart threshold sleep'
+        ping_threshold:
+          type: integer
+          label: 'Ping threshold'
 
 symfony_mailer.mailer_policy.*:
   type: config_entity