diff --git a/ennstatus/api/functions.py b/ennstatus/api/functions.py
--- a/ennstatus/api/functions.py
+++ b/ennstatus/api/functions.py
@@ -6,6 +6,9 @@ from datetime import datetime
 
 import pygeoip
 
+from ennstatus.status.functions import _send_mail
+
+
 FINGERPRINT_REGEX = re.compile(r'^[A-Z0-9]{40}$', re.I)
 
 IP_REGEX = (r'^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}'
@@ -22,6 +25,9 @@ DATE_FORMAT = '%d-%m-%Y %H:%M:%S'
 gi4 = pygeoip.GeoIP('/usr/share/GeoIP/GeoIP.dat', pygeoip.MEMORY_CACHE)
 
 
+mail_cache = {}
+
+
 def check_bridge(key, server):
 
     if key not in server:
@@ -71,6 +77,7 @@ def update_server(server, ip):
     server['last_updated'] = datetime.utcnow().strftime(DATE_FORMAT)
     server['server_status'] = 'Online'
     server['country'] = gi4.country_name_by_addr(ip)
+    server_name = server['server_name']
 
     if server['server_type'] == 'Bridge':
         if 'ip' in server:
@@ -83,11 +90,27 @@ def update_server(server, ip):
             server['ip'] = ip
 
     try:
-        filename = ''.join(['data/', server['server_name'].lower(), '.json'])
+        filename = ''.join(['data/', server_name.lower(), '.json'])
 
         with open(filename, 'w', encoding='utf-8') as fb:
             json.dump(server, fb)
-
-        return server
     except Exception as e:
         return e
+
+    if server['tor_status'] == 'Offline':
+        subject = '[Ennstatus] %s Tor status went offline'
+
+        if server_name in mail_cache:
+            send_date = mail_cache[server_name]
+            now = datetime.utcnow()
+            delta = now - send_date
+
+            if not delta.seconds >= 7200:
+                return server
+
+        _send_mail(server_name, server['last_updated'], subject)
+        mail_cache[server_name] = datetime.utcnow()
+    elif server_name in mail_cache:
+        del mail_cache[server_name]
+
+    return server
diff --git a/ennstatus/status/functions.py b/ennstatus/status/functions.py
--- a/ennstatus/status/functions.py
+++ b/ennstatus/status/functions.py
@@ -12,11 +12,13 @@ from flask_mail import Mail, Message
 mail = Mail()
 
 
-def _send_mail(server_name, last_updated):
+def _send_mail(server_name, last_updated, subject=None):
 
     current_app.logger.info('Try sending mail')
     try:
-        msg = Message('[Ennstatus] %s went offline' % (server_name),
+        if subject is None:
+            subject = '[Ennstatus] %s went offline'
+        msg = Message(subject % server_name,
                       sender='ennstatus@enn.lu')
         msg.add_recipient(current_app.config['SERVER_ADMINS'][server_name])
         msg.body = ('%s went offline. I received the last update at %s'