diff --git a/pyad/adcontainer.py b/pyad/adcontainer.py
index 2461b8b..ce81460 100644
--- a/pyad/adcontainer.py
+++ b/pyad/adcontainer.py
@@ -26,14 +26,17 @@ def __create_object(self, type_, name):
         prefixed_name = '='.join((prefix,name))
         return self._ldap_adsi_obj.Create(type_, prefixed_name)
     
-    def create_user(self, name, password=None, upn_suffix=None, enable=True,optional_attributes={}):
+    def create_user(self, sAMAccountName, cn=None, password=None, upn_suffix=None, enable=True,optional_attributes={}):
         """Create a new user object in the container"""
         try:
             if not upn_suffix:
                 upn_suffix = self.get_domain().get_default_upn()
-            upn = '@'.join((name, upn_suffix))
-            obj = self.__create_object('user', name)
-            obj.Put('sAMAccountName', optional_attributes.get('sAMAccountName', name))
+            upn = '@'.join((sAMAccountName, upn_suffix))
+            if not cn:
+                obj = self.__create_object('user', sAMAccountName)
+            else:
+                obj = self.__create_object('user', cn)
+            obj.Put('sAMAccountName', optional_attributes.get('sAMAccountName', sAMAccountName))
             obj.Put('userPrincipalName', upn)
             obj.SetInfo()
             pyadobj = ADUser.from_com_object(obj)
diff --git a/pyad/adsearch.py b/pyad/adsearch.py
index b46c6cf..2be34df 100644
--- a/pyad/adsearch.py
+++ b/pyad/adsearch.py
@@ -17,6 +17,32 @@ def by_cn(cn, search_base=None, options={}):
         type="GC")
     return _ad_query_obj.get_single_result()['distinguishedName']
 
+def by_sam(sAMAccountName, search_base=None, options={}):
+    if not search_base:
+        if not ADBase.default_domain:
+            raise Exception("Unable to detect default domain. Must specify search base.")
+        search_base = ADBase.default_domain
+    _ad_query_obj.reset()
+    
+    _ad_query_obj.execute_query(where_clause=("sAMAccountName = '%s'" % sAMAccountName), 
+        base_dn=search_base,
+        options=options,
+        type="GC")
+    return _ad_query_obj.get_single_result()['distinguishedName']
+
+def by_mail(mail, search_base=None, options={}):
+    if not search_base:
+        if not ADBase.default_domain:
+            raise Exception("Unable to detect default domain. Must specify search base.")
+        search_base = ADBase.default_domain
+    _ad_query_obj.reset()
+    
+    _ad_query_obj.execute_query(where_clause=("mail = '%s'" % mail),
+        base_dn=search_base,
+        options=options,
+        type="GC")
+    return _ad_query_obj.get_single_result()['distinguishedName']
+
 def by_upn(upn, search_base=None, options={}):
     if not search_base: 
         if not ADBase.default_forest:
@@ -56,9 +82,9 @@ def all_results_by_cn(cn, search_base=None, options={}):
 
 def all_results_by_upn(upn, search_base=None, options={}):
     if not search_base: 
-        if not ADBase.default_forest:
-            raise Exception("Unable to detect default forest. Must specify search base.")
-        search_base = ADBase.default_forest
+        if not ADBase.default_domain:
+            raise Exception("Unable to detect default domain. Must specify search base.")
+        search_base = ADBase.default_domain
     _ad_query_obj.reset()
     _ad_query_obj.execute_query(where_clause=("userPrincipalName = '%s'" % upn), 
         base_dn=search_base, 
diff --git a/pyad/aduser.py b/pyad/aduser.py
index d0d0644..de643fc 100644
--- a/pyad/aduser.py
+++ b/pyad/aduser.py
@@ -6,11 +6,12 @@
 class ADUser(ADObject):
     
     @classmethod
-    def create(cls, name, container_object, password=None, upn_suffix=None,
+    def create(cls, sAMAccountName, container_object, cn=None, password=None, upn_suffix=None,
                     enable=True, optional_attributes={}):
         """Creates and returns a new active directory user"""
         return container_object.create_user(
-            name=name,
+            sAMAccountName=sAMAccountName,
+            cn=cn,
             password=password,
             upn_suffix=upn_suffix,
             enable=enable,