diff --git a/erpnext/crm/doctype/lead/lead.py b/erpnext/crm/doctype/lead/lead.py
index f0b48b4..49a4e3d 100644
--- a/erpnext/crm/doctype/lead/lead.py
+++ b/erpnext/crm/doctype/lead/lead.py
@@ -38,8 +38,7 @@
 			frappe.throw(_("Campaign Name is required"))
 
 		if self.email_id:
-			if not validate_email_add(self.email_id):
-				frappe.throw(_('{0} is not a valid email id').format(self.email_id))
+			validate_email_add(self.email_id, True)
 
 			if self.email_id == self.lead_owner:
 				# Lead Owner cannot be same as the Lead
diff --git a/erpnext/crm/doctype/newsletter_list/newsletter_list.py b/erpnext/crm/doctype/newsletter_list/newsletter_list.py
index 973955d..cee68c9 100644
--- a/erpnext/crm/doctype/newsletter_list/newsletter_list.py
+++ b/erpnext/crm/doctype/newsletter_list/newsletter_list.py
@@ -62,8 +62,7 @@
 	count = 0
 	for email in email_list.replace(",", "\n").split("\n"):
 		email = email.strip()
-		if not validate_email_add(email):
-			frappe.throw(_("Invalid Email '{0}'").format(email))
+		validate_email_add(email, True)
 
 		if email:
 			try:
diff --git a/erpnext/hr/doctype/employee/employee.py b/erpnext/hr/doctype/employee/employee.py
index b1e0161..4ba3e96 100644
--- a/erpnext/hr/doctype/employee/employee.py
+++ b/erpnext/hr/doctype/employee/employee.py
@@ -4,7 +4,7 @@
 from __future__ import unicode_literals
 import frappe
 
-from frappe.utils import getdate, validate_email_add, cint, today
+from frappe.utils import getdate, validate_email_add, today
 from frappe.model.naming import make_autoname
 from frappe import throw, _, msgprint
 import frappe.permissions
@@ -110,10 +110,10 @@
 			throw(_("Contract End Date must be greater than Date of Joining"))
 
 	def validate_email(self):
-		if self.company_email and not validate_email_add(self.company_email):
-			throw(_("Please enter valid Company Email"))
-		if self.personal_email and not validate_email_add(self.personal_email):
-			throw(_("Please enter valid Personal Email"))
+		if self.company_email:
+			validate_email_add(self.company_email, True)
+		if self.personal_email:
+			validate_email_add(self.personal_email, True)
 
 	def validate_status(self):
 		if self.status == 'Left' and not self.relieving_date:
diff --git a/erpnext/patches/v5_0/convert_stock_reconciliation.py b/erpnext/patches/v5_0/convert_stock_reconciliation.py
index 4f856ea..cc9135a 100644
--- a/erpnext/patches/v5_0/convert_stock_reconciliation.py
+++ b/erpnext/patches/v5_0/convert_stock_reconciliation.py
@@ -10,16 +10,16 @@
 			{"reconciliation_json": ["!=", ""]}):
 			start = False
 			sr = frappe.get_doc("Stock Reconciliation", sr.name)
-			for item in json.loads(sr.reconciliation_json):
+			for row in json.loads(sr.reconciliation_json):
 				if start:
 					sr.append("items", {
-						"item_code": item[0],
-						"warehouse": item[1],
-						"qty": item[3] if len(item) > 2 else None,
-						"valuation_rate": item[4] if len(item) > 3 else None
+						"item_code": row[0],
+						"warehouse": row[1],
+						"qty": row[3] if len(row) > 2 else None,
+						"valuation_rate": row[4] if len(row) > 3 else None
 					})
 
-				elif item[0]=="Item Code":
+				elif row[0]=="Item Code":
 					start = True
 
 
diff --git a/erpnext/stock/doctype/warehouse/warehouse.py b/erpnext/stock/doctype/warehouse/warehouse.py
index 7fa4af0..1643f93 100644
--- a/erpnext/stock/doctype/warehouse/warehouse.py
+++ b/erpnext/stock/doctype/warehouse/warehouse.py
@@ -15,8 +15,8 @@
 			self.name = self.warehouse_name + suffix
 
 	def validate(self):
-		if self.email_id and not validate_email_add(self.email_id):
-				throw(_("Please enter valid Email Id"))
+		if self.email_id:
+			validate_email_add(self.email_id, True)
 
 		self.update_parent_account()