diff --git a/frappe/email/doctype/email_account/email_account.py b/frappe/email/doctype/email_account/email_account.py
index 04be4ed5cf..dadb892f90 100644
--- a/frappe/email/doctype/email_account/email_account.py
+++ b/frappe/email/doctype/email_account/email_account.py
@@ -190,15 +190,8 @@ class EmailAccount(Document):
 					parent = frappe.get_doc("Communication", in_reply_to)
 
 					if parent.reference_name:
-						if self.append_to:
-							# parent must reference only if name matches
-							if parent.reference_doctype==self.append_to:
-								# parent same as parent of last communication
-								parent = frappe.get_doc(parent.reference_doctype,
-									parent.reference_name)
-						else:
-							parent = frappe.get_doc(parent.reference_doctype,
-								parent.reference_name)
+						parent = frappe.get_doc(parent.reference_doctype,
+							parent.reference_name)
 
 		if not parent and self.append_to and sender_field:
 			if subject_field:
diff --git a/frappe/model/db_schema.py b/frappe/model/db_schema.py
index de3df36175..196420e472 100644
--- a/frappe/model/db_schema.py
+++ b/frappe/model/db_schema.py
@@ -234,7 +234,14 @@ class DbTable:
 			query.append('alter column `{}` set default {}'.format(col.fieldname, col_default))
 
 		if query:
-			frappe.db.sql("alter table `{}` {}".format(self.name, ", ".join(query)))
+			try:
+				frappe.db.sql("alter table `{}` {}".format(self.name, ", ".join(query)))
+			except Exception, e:
+				# sanitize
+				if e.args[0]==1060:
+					frappe.throw(str(e))
+				else:
+					raise e
 
 class DbColumn:
 	def __init__(self, table, fieldname, fieldtype, length, default,
@@ -469,4 +476,3 @@ def add_column(doctype, column_name, fieldtype, precision=None):
 	frappe.db.commit()
 	frappe.db.sql("alter table `tab%s` add column %s %s" % (doctype,
 		column_name, get_definition(fieldtype, precision)))
-