diff --git a/api.py b/api.py
index 1a814fc..8a2b463 100644
--- a/api.py
+++ b/api.py
@@ -9,9 +9,13 @@ def __post_request(url, json_data):
     headers = {'X-API-Key': api_key, 'Content-type': 'application/json'}
 
     req = requests.post(api_url, headers=headers, json=json_data)
-    rsp = req.json()
     req.close()
 
+    try:
+        rsp = req.json()
+    except:
+        sys.exit(f"API {url}: not a valid JSON response")
+
     if isinstance(rsp, list):
         rsp = rsp[0]
 
@@ -88,9 +92,13 @@ def check_user(email):
     url = f"{api_host}/api/v1/get/mailbox/{email}"
     headers = {'X-API-Key': api_key, 'Content-type': 'application/json'}
     req = requests.get(url, headers=headers)
-    rsp = req.json()
     req.close()
 
+    try:
+        rsp = req.json()
+    except:
+        sys.exit("API get/mailbox: not a valid JSON response")
+
     if not isinstance(rsp, dict):
         sys.exit("API get/mailbox: got response of a wrong type")
 
@@ -101,3 +109,14 @@ def check_user(email):
         sys.exit(f"API {url}: {rsp['type']} - {rsp['msg']}")
 
     return (True, bool(rsp['active_int']), rsp['name'])
+
+
+def check_api():
+    api_url = f"{api_host}/api/v1/get/status/containers"
+    headers = {'X-API-Key': api_key, 'Content-type': 'application/json'}
+
+    req = requests.get(api_url, headers=headers, verify=False)
+    req.close()
+    if req.status_code == 200:
+        return True
+    return False
diff --git a/syncer.py b/syncer.py
index 993a2bc..7b2b979 100644
--- a/syncer.py
+++ b/syncer.py
@@ -47,68 +47,80 @@ def main():
 
 
 def sync():
-    ldap_connector = ldap.initialize(f"{config['LDAP_URI']}")
-    ldap_connector.set_option(ldap.OPT_REFERRALS, 0)
-    ldap_connector.simple_bind_s(
-        config['LDAP_BIND_DN'], config['LDAP_BIND_DN_PASSWORD'])
+    api_status = api.check_api()
+
+    if api_status != True:
+        logging.info(f"mailcow is not fully up, skipping this sync...")
+        return
+
+    try:
+        ldap_connector = ldap.initialize(f"{config['LDAP_URI']}")
+        ldap_connector.set_option(ldap.OPT_REFERRALS, 0)
+        ldap_connector.simple_bind_s(
+            config['LDAP_BIND_DN'], config['LDAP_BIND_DN_PASSWORD'])
+    except:
+        logging.info(
+            f"Can't connect to LDAP server {config['LDAP_URI']}, skipping this sync...")
+        return
 
     ldap_results = ldap_connector.search_s(config['LDAP_BASE_DN'], ldap.SCOPE_SUBTREE,
                                            config['LDAP_FILTER'],
-                                           ['userPrincipalName', 'cn', 'userAccountControl'])
+                                           ['mail', 'displayName', 'userAccountControl'])
 
+    logging.info(ldap_results)
     filedb.session_time = datetime.datetime.now()
 
     for x in ldap_results:
         try:
-            logging.info("Working on " + x[1]['sAMAccountName'])
-            email = x[1]['userPrincipalName'][0].decode()
-            ldap_name = x[1]['displayName'][0].decode()
-            ldap_active = False if int(
-                x[1]['userAccountControl'][0].decode()) & 0b10 else True
-
-            (db_user_exists, db_user_active) = filedb.check_user(email)
-            (api_user_exists, api_user_active, api_name) = api.check_user(email)
-
-            unchanged = True
-
-            if not db_user_exists:
-                filedb.add_user(email, ldap_active)
-                (db_user_exists, db_user_active) = (True, ldap_active)
-                logging.info(
-                    f"Added filedb user: {email} (Active: {ldap_active})")
-                unchanged = False
-
-            if not api_user_exists:
-                api.add_user(email, ldap_name, ldap_active, 5120)
-                (api_user_exists, api_user_active, api_name) = (
-                    True, ldap_active, ldap_name)
-                logging.info(
-                    f"Added Mailcow user: {email} (Active: {ldap_active})")
-                unchanged = False
-
-            if db_user_active != ldap_active:
-                filedb.user_set_active_to(email, ldap_active)
-                logging.info(
-                    f"{'Activated' if ldap_active else 'Deactived'} {email} in filedb")
-                unchanged = False
-
-            if api_user_active != ldap_active:
-                api.edit_user(email, active=ldap_active)
-                logging.info(
-                    f"{'Activated' if ldap_active else 'Deactived'} {email} in Mailcow")
-                unchanged = False
-
-            if api_name != ldap_name:
-                api.edit_user(email, name=ldap_name)
-                logging.info(
-                    f"Changed name of {email} in Mailcow to {ldap_name}")
-                unchanged = False
-
-            if unchanged:
-                logging.info(f"Checked user {email}, unchanged")
-        except Exception:
-            logging.info(f"Exception during something. See above")
-            pass
+            ldap_item = x[1]
+            logging.info(f"Working on {ldap_item['mail']}")
+        except:
+            logging.info(
+                f"An error occurred while iterating through the LDAP users, skipping this sync...")
+            return
+
+        email = ldap_item['mail'][0].decode()
+        ldap_name = ldap_item['displayName'][0].decode()
+        ldap_active = True
+
+        (db_user_exists, db_user_active) = filedb.check_user(email)
+        (api_user_exists, api_user_active, api_name) = api.check_user(email)
+
+        unchanged = True
+
+        if not db_user_exists:
+            filedb.add_user(email, ldap_active)
+            (db_user_exists, db_user_active) = (True, ldap_active)
+            logging.info(f"Added filedb user: {email} (Active: {ldap_active})")
+            unchanged = False
+
+        if not api_user_exists:
+            api.add_user(email, ldap_name, ldap_active, 5120)
+            (api_user_exists, api_user_active, api_name) = (
+                True, ldap_active, ldap_name)
+            logging.info(
+                f"Added Mailcow user: {email} (Active: {ldap_active})")
+            unchanged = False
+
+        if db_user_active != ldap_active:
+            filedb.user_set_active_to(email, ldap_active)
+            logging.info(
+                f"{'Activated' if ldap_active else 'Deactived'} {email} in filedb")
+            unchanged = False
+
+        if api_user_active != ldap_active:
+            api.edit_user(email, active=ldap_active)
+            logging.info(
+                f"{'Activated' if ldap_active else 'Deactived'} {email} in Mailcow")
+            unchanged = False
+
+        if api_name != ldap_name:
+            api.edit_user(email, name=ldap_name)
+            logging.info(f"Changed name of {email} in Mailcow to {ldap_name}")
+            unchanged = False
+
+        if unchanged:
+            logging.info(f"Checked user {email}, unchanged")
 
     for email in filedb.get_unchecked_active_users():
         (api_user_exists, api_user_active, _) = api.check_user(email)
diff --git a/templates/dovecot/ldap/passdb.conf b/templates/dovecot/ldap/passdb.conf
index 48739b2..c7014d4 100644
--- a/templates/dovecot/ldap/passdb.conf
+++ b/templates/dovecot/ldap/passdb.conf
@@ -2,4 +2,4 @@ uris = $ldap_uri
 ldap_version = 3
 base = $ldap_base_dn
 auth_bind = yes
-auth_bind_userdn = %u
+auth_bind_userdn = uid=%Ln,$ldap_base_dn
diff --git a/templates/sogo/plist_ldap b/templates/sogo/plist_ldap
index cf39ee5..b3f2423 100644
--- a/templates/sogo/plist_ldap
+++ b/templates/sogo/plist_ldap
@@ -8,9 +8,9 @@
     <key>CNFieldName</key>
     <string>cn</string>
     <key>IDFieldName</key>
-    <string>cn</string>
+    <string>uidNumber</string>
     <key>UIDFieldName</key>
-    <string>userPrincipalName</string>
+    <string>mail</string>
 
     <key>baseDN</key>
     <string>$ldap_base_dn</string>
@@ -21,7 +21,7 @@
     <string>$ldap_bind_dn_password</string>
     <key>bindFields</key>
     <array>
-        <string>userPrincipalName</string>
+        <string>mail</string>
     </array>
 
     <key>bindAsCurrentUser</key>
@@ -36,9 +36,9 @@
     <string>$sogo_ldap_filter</string>
 
     <key>isAddressBook</key>
-    <string>NO</string>
+    <string>YES</string>
     <key>displayName</key>
-    <string>Active Directory</string>
+    <string>Webba adresboek</string>
 
     <key>scope</key>
     <string>SUB</string>