diff --git a/.travis.yml b/.travis.yml
index 7dc67e0..24846f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,9 +8,9 @@ services:
   - docker
 
 env:
-  - ES_IMAGE="elasticsearch-oss:7.3.2"
-  - ES_IMAGE="elasticsearch-oss:6.2.2"
-  - ES_IMAGE="elasticsearch:5.6.8" ES_USER="elastic" ES_PASS="changeme"
+  - ES_IMAGE="elasticsearch-oss:7.3.2" ES_TYPE="" ES_TEMPLATE="new-index-template.json"
+  - ES_IMAGE="elasticsearch-oss:6.2.2" ES_TYPE="test_type" ES_TEMPLATE="new-index-template-ES-6.x.json"
+  - ES_IMAGE="elasticsearch:5.6.8" ES_TYPE="test_type" ES_TEMPLATE="new-index-template-ES-6.x.json" ES_USER="elastic" ES_PASS="changeme"
 
 script:
   - tests/run_tests
diff --git a/CONFIGURATION.md b/CONFIGURATION.md
index 6dc2f3b..159b453 100644
--- a/CONFIGURATION.md
+++ b/CONFIGURATION.md
@@ -89,7 +89,10 @@ These files are in JSON format and contain the following keys:
 
    Default: no default provided
 
-- **ES_Type** [required]: ElasticSearch document type (_type field) used to store
+- **ES_Type** [optional]: Used only for versions of ElasticSearch prior to 7.
+   For versions of ES >= 7, do not set it.
+
+   ElasticSearch document type (_type field) used to store
    pmacct-to-elasticsearch output. Similar to tables in relational DB.
 
    From the official reference guide
@@ -237,12 +240,12 @@ argument:
 
      # cd /etc/p2es/triggers/
      # ln -s default_trigger my_print
-     
+
      /etc/p2es/triggers/default_trigger:
-          
+
           #!/bin/sh
           PLUGIN_NAME=`basename $0`
           /usr/local/bin/pmacct-to-elasticsearch $PLUGIN_NAME &
 
-Otherwise, remember to use the full path of pmacct-to-elasticsearch in order 
+Otherwise, remember to use the full path of pmacct-to-elasticsearch in order
 to avoid problems with a stripped version of the *PATH* environment variable.
diff --git a/pierky/p2es/es.py b/pierky/p2es/es.py
index 661be83..9cd70fd 100644
--- a/pierky/p2es/es.py
+++ b/pierky/p2es/es.py
@@ -37,11 +37,17 @@ def http(CONFIG, url, method="GET", data=None):
 def send_to_es(CONFIG, index_name, data):
     # HTTP bulk insert toward ES
 
-    url = '{}/{}/{}/_bulk'.format(
-        CONFIG['ES_URL'],
-        index_name,
-        CONFIG['ES_Type']
-    )
+    if CONFIG['ES_Type']:
+        url = '{}/{}/{}/_bulk'.format(
+            CONFIG['ES_URL'],
+            index_name,
+            CONFIG['ES_Type']
+        )
+    else:
+        url = '{}/{}/_bulk'.format(
+            CONFIG['ES_URL'],
+            index_name
+        )
 
     try:
         http_res = http(CONFIG, url, method="POST", data=data)
diff --git a/scripts/pmacct-to-elasticsearch b/scripts/pmacct-to-elasticsearch
index 7a84801..7a75eb9 100755
--- a/scripts/pmacct-to-elasticsearch
+++ b/scripts/pmacct-to-elasticsearch
@@ -21,7 +21,7 @@ import sys
 from pierky.p2es.errors import P2ESError
 from pierky.p2es.readers import JSONReader, CSVReader
 from pierky.p2es.transformations import test_transformation
-from pierky.p2es.version import __version__ 
+from pierky.p2es.version import __version__
 from pierky.p2es.writers import PrintOnlyWriterThread, ESWriterThread
 
 APP_NAME = 'pmacct-to-elasticsearch'
@@ -40,7 +40,7 @@ DEF_CONFIG = {
     'ES_AuthType': 'none',
 
     'ES_FlushSize': 5000,
-    
+
     'ReaderThreads': 2,
     'InputFormat': 'json',
 
@@ -55,13 +55,13 @@ CONFIG = DEF_CONFIG.copy()
 def expand_macros(s):
     if s is None:
         return None
-    
+
     out = deepcopy(s)
     out = out.replace('$PluginName', CONFIG.get('PluginName') or 'default')
     out = out.replace('$IndexName', datetime.datetime.now().strftime(
         CONFIG.get('ES_IndexName') or 'default'
     ))
-    out = out.replace('$Type', CONFIG.get('ES_Type') or 'default')
+    out = out.replace('$Type', CONFIG.get('ES_Type') or '')
     return out
 
 # Checks config and logs any errors.
@@ -72,10 +72,6 @@ def check_config():
         log(logging.ERROR, 'ElasticSearch index name not provided')
         return False
 
-    if not CONFIG['ES_Type']:
-        log(logging.ERROR, 'ElasticSearch type not provided')
-        return False
-
     if not CONFIG['ES_URL']:
         log(logging.ERROR, 'ElasticSearch URL not provided')
         return False
@@ -407,7 +403,7 @@ def main():
 
     # Command line arguments have higher priority
     for pair in [('log_file', 'LogFile'), ('es_url', 'ES_URL'),
-                 ('es_indexname', 'ES_IndexName'), ('es_type', 'ES_Type'),
+                 ('es_indexname', 'ES_IndexName'),
                  ('es_type', 'ES_Type'), ('es_authtype', 'ES_AuthType'),
                  ('es_username', 'ES_UserName'), ('es_password', 'ES_Password'),
                  ('es_templatefilename', 'ES_IndexTemplateFileName'),
@@ -431,13 +427,13 @@ def main():
     if args.test_only:
         print('Configuration tested successfully')
         return True
-    
+
     if not CONFIG['InputFile']:
         r, w, x = select.select([sys.stdin], [], [], 0)
         if not r:
             log(logging.ERROR, 'Error while reading input data from stdin')
             return False
-    
+
     # Timestamp for ES indexing (UTC)
 
     ts = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ')
diff --git a/tests/new-index-template-ES-6.x.json b/tests/new-index-template-ES-6.x.json
new file mode 120000
index 0000000..b4995c4
--- /dev/null
+++ b/tests/new-index-template-ES-6.x.json
@@ -0,0 +1 @@
+../distrib/new-index-template-ES-6.x.json
\ No newline at end of file
diff --git a/tests/run_tests b/tests/run_tests
index 804a1e8..16c841f 100755
--- a/tests/run_tests
+++ b/tests/run_tests
@@ -31,8 +31,8 @@ fi
 	--es-url http://localhost:9200 \
 	${ARG_AUTH} \
 	--es-indexname test \
-	--es-type test_type \
-	--es-index-template-file-name new-index-template.json \
+	--es-type "${ES_TYPE}" \
+	--es-index-template-file-name ${ES_TEMPLATE} \
 	--input-file tests/data.csv \
 	--input-format csv \
 	--config-dir `pwd`/tests \