diff --git a/humbug/settings.py b/humbug/settings.py
index 0b3dff6240..53f70da37a 100644
--- a/humbug/settings.py
+++ b/humbug/settings.py
@@ -426,6 +426,9 @@ OPENID_SSO_SERVER_URL = 'https://www.google.com/accounts/o8/id'
 OPENID_CREATE_USERS = True
 OPENID_RENDER_FAILURE = openid_failure_handler
 
+MAILCHIMP_API_KEY = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-us4'
+HUMBUG_FRIENDS_LIST_ID = '84b2f3da6b'
+
 EVENT_LOG_DIR = 'event_log'
 
 # Client-side polling timeout for get_events, in milliseconds.
diff --git a/zephyr/management/commands/subscribe_new_users.py b/zephyr/management/commands/subscribe_new_users.py
new file mode 100644
index 0000000000..8678594f12
--- /dev/null
+++ b/zephyr/management/commands/subscribe_new_users.py
@@ -0,0 +1,22 @@
+import simplejson
+from postmonkey import PostMonkey
+from django.core.management.base import BaseCommand
+from django.conf import settings
+
+from zephyr.lib.queue import SimpleQueueClient
+
+class Command(BaseCommand):
+    pm = PostMonkey(settings.MAILCHIMP_API_KEY, timeout=10)
+
+    def subscribe(self, ch, method, properties, data):
+        self.pm.listSubscribe(
+                id=settings.HUMBUG_FRIENDS_LIST_ID,
+                email_address=data['EMAIL'],
+                merge_vars=data['merge_vars'],
+                double_optin=False,
+                send_welcome=False)
+
+    def handle(self, *args, **options):
+        q = SimpleQueueClient()
+        q.register_json_consumer("signups", self.subscribe)
+        q.start_consuming()
diff --git a/zephyr/views.py b/zephyr/views.py
index 7da86c6325..9df155289b 100644
--- a/zephyr/views.py
+++ b/zephyr/views.py
@@ -42,6 +42,7 @@ from zephyr.lib.response import json_success, json_error, json_response, json_me
 from zephyr.lib.timestamp import timestamp_to_datetime, datetime_to_timestamp
 from zephyr.lib.cache import cache_with_key
 from zephyr.lib.unminify import SourceMap
+from zephyr.lib.queue import queue_json_publish
 from zephyr import tornado_callbacks
 
 from confirmation.models import Confirmation
@@ -223,6 +224,17 @@ def accounts_register(request):
                             )
 
             notify_new_user(user_profile)
+            queue_json_publish(
+                    "signups",
+                    {
+                        'EMAIL': email,
+                        'merge_vars': {
+                            'NAME': full_name,
+                            'OPTIN_IP': request.META['REMOTE_ADDR'],
+                            'OPTIN_TIME': datetime.datetime.isoformat(datetime.datetime.now()),
+                        },
+                    },
+                    lambda event: None)
 
             login(request, authenticate(username=email, password=password))
             return HttpResponseRedirect(reverse('zephyr.views.home'))