diff --git a/flowspec/helpers.py b/flowspec/helpers.py
index d1536938a1848a5bfd8552bf3300069738cc5406..7f93919c183149046a252ec5d02b1fa4ca3e7004 100644
--- a/flowspec/helpers.py
+++ b/flowspec/helpers.py
@@ -1,10 +1,13 @@
 from django.core.mail.message import EmailMessage
 from django.conf import settings
-
 import os
+import datetime
+
 import flowspec.logging_utils
 logger = flowspec.logging_utils.logger_init_default(__name__, "flowspec_accounts_view.log", False)
 
+#
+
 def send_new_mail(subject, message, from_email, recipient_list, bcc_list):
   try:
     logger.info("helpers::send_new_mail(): send mail: from_email="+str(from_email)+", recipient_list="+str(recipient_list)+", bcc_list="+str(bcc_list)) 
@@ -33,3 +36,88 @@ def get_peer_techc_mails(user, peer):
     logger.info("helpers::get_peer_techc_mails(): additional_mail="+str(additional_mail))
     logger.info("helpers::get_peer_techc_mails(): techmails_list="+str(techmails_list))
     return mail
+
+#
+
+admin_error_mail_entry__cache_list = []
+max_length_of_entry_message_text__in_digest_mail_text=1000
+
+def handle_admin_error_mail(subject, message):
+  try:
+
+    global admin_error_mail_entry__cache_list
+
+    logger.info("helpers::handle_admin_error_mail(): subject='"+str(subject)+"' message='"+str(message)+"'")
+
+    admin_mail_addres_list = ""
+    if settings.NOTIFY_ADMIN_MAILS:
+      admin_mail_addres_list = settings.NOTIFY_ADMIN_MAILS        
+   
+    src_addr = settings.SERVER_EMAIL
+    logger.info("helpers::handle_admin_error_mail(): src_addr="+str(src_addr))
+    logger.info("helpers::handle_admin_error_mail(): admin_mail_addres_list="+str(admin_mail_addres_list))
+
+    if admin_mail_addres_list:
+      EmailMessage(subject, message, src_addr, admin_mail_addres_list, "").send()
+    logger.info("helpers::handle_admin_error_mail(): after mail sending")
+
+    nowtime = datetime.datetime.now()
+    logger.info("helpers::handle_admin_error_mail(): nowtime="+str(nowtime))
+
+    admin_error_mail_entry__cache_list.append({ 'time': nowtime, 'subject': subject, 'message': message })
+    logger.info("helpers::handle_admin_error_mail(): after list append")
+
+    return True
+
+  except Exception as e:
+    logger.error("helpers::handle_admin_error_mail() failed: exc="+str(e)) 
+    return False
+
+def send_cached_admin_error_entry_summary_ll():
+  try:
+    
+    global admin_error_mail_entry__cache_list
+
+    logger.info("helpers::send_cached_admin_error_entry_summary_ll(): called")
+
+    admin_mail_addres_list = ""
+    if settings.NOTIFY_ADMIN_MAILS:
+      admin_mail_addres_list = settings.NOTIFY_ADMIN_MAILS        
+    
+    #
+
+    if len(admin_mail_addres_list)>0:
+
+      subject = 'FoD admin external error summary'
+  
+      mail_all_text = ''
+  
+      for entry in admin_error_mail_entry__cache_list:
+        nowtime = entry['time']
+        subject = entry['subject']
+        message = entry['message']
+      
+        nowstr = nowtime.isoformat()
+  
+        message_part = str(message)
+        if len(message)>max_length_of_entry_message_text__in_digest_mail_text:
+            message_part = substr(message, 1, max_length_of_entry_message_text__in_digest_mail_text-4)+' ...' 
+  
+        mail_all_text = mail_all_text+'\n\n'+str(nowstr)+' '+str(subject)+':\n'+str(message_part)
+  
+      #
+  
+      logger.info("helpers::send_cached_admin_error_entry_summary_ll(): => mail_all_text='"+mail_all_text+"'")
+  
+      if admin_mail_addres_list:
+        EmailMessage(subject, mail_all_text, settings.SERVER_EMAIL, admin_mail_addres_list, "").send()
+  
+      admin_mail_addres_list = [] 
+
+    return True
+
+  except Exception as e:
+    logger.error("helpers::send_cached_admin_error_entry_summary_ll(): failed: exc="+str(e)) 
+    return False
+
+
diff --git a/flowspec/tasks.py b/flowspec/tasks.py
index 4e5ba1a4af9ccad677e2ed0eed393b8355ca5c57..876265634fd04999810927ba72015649bd86340a 100644
--- a/flowspec/tasks.py
+++ b/flowspec/tasks.py
@@ -33,6 +33,7 @@ from sys import exit
 import time
 import redis
 from django.forms.models import model_to_dict
+from flowspec.helpers import send_cached_admin_error_entry_summary_ll
 
 from peers.models import *
 
@@ -342,6 +343,12 @@ def notify_expired():
                     pass
     logger.info('Expiration notification process finished')
 
+@shared_task(ignore_result=True)
+def send_cached_admin_error_entry_summary():
+    logger.info('send_cached_admin_error_entry_summary(): called')
+    send_cached_admin_error_entry_summary_ll()
+    logger.info('send_cached_admin_error_entry_summary(): done')
+
 ##############################################################################
 ##############################################################################
 # snmp task handling (including helper functions)