diff --git a/app/main/validators.py b/app/main/validators.py
index e1292b959..c87a59c3b 100644
--- a/app/main/validators.py
+++ b/app/main/validators.py
@@ -1,3 +1,5 @@
+import csv
+from io import StringIO
 import re
 from abc import ABC, abstractmethod
 
@@ -28,6 +30,16 @@ class CsvFileValidator:
         self.message = message
 
     def __call__(self, form, field):
+
+        data = Spreadsheet.from_file_form(form).as_dict
+        data = data["data"]
+        if data is not None and data != "":
+            csv_file = StringIO(data)
+            reader = csv.reader(csv_file)
+            first_line = next(reader, None)
+            if first_line is None or all(cell.strip() == "" for cell in first_line):
+                raise ValidationError(f"No headers on row 1 in {field.data.filename}")
+
         if not Spreadsheet.can_handle(field.data.filename):
             raise ValidationError(
                 "{} is not a spreadsheet that Notify can read".format(
diff --git a/app/main/views/send.py b/app/main/views/send.py
index c7fd8a236..597255f0c 100644
--- a/app/main/views/send.py
+++ b/app/main/views/send.py
@@ -46,7 +46,7 @@ from app.utils import (
     PermanentRedirect,
     hilite,
     should_skip_template_page,
-#    unicode_truncate,
+    unicode_truncate,
 )
 from app.utils.csv import Spreadsheet, get_errors_for_csv
 from app.utils.templates import get_template
@@ -54,7 +54,7 @@ from app.utils.user import user_has_permissions
 from notifications_utils import SMS_CHAR_COUNT_LIMIT
 from notifications_utils.insensitive_dict import InsensitiveDict
 from notifications_utils.recipients import RecipientCSV, first_column_headings
-# from notifications_utils.sanitise_text import SanitiseASCII
+from notifications_utils.sanitise_text import SanitiseASCII
 
 
 def get_example_csv_fields(column_headers, use_example_as_example, submitted_fields):
@@ -132,26 +132,25 @@ def send_messages(service_id, template_id):
     form = CsvUploadForm()
     if form.validate_on_submit():
         try:
-            data = Spreadsheet.from_file_form(form).as_dict
-            raise Exception(f"Data in send: {data}")
-            # upload_id = s3upload(
-            #     service_id,
-            #     Spreadsheet.from_file_form(form).as_dict,
-            # )
-            # file_name_metadata = unicode_truncate(
-            #     SanitiseASCII.encode(form.file.data.filename), 1600
-            # )
-            # set_metadata_on_csv_upload(
-            #     service_id, upload_id, original_file_name=file_name_metadata
-            # )
-            # return redirect(
-            #     url_for(
-            #         ".check_messages",
-            #         service_id=service_id,
-            #         upload_id=upload_id,
-            #         template_id=template.id,
-            #     )
-            # )
+
+            upload_id = s3upload(
+                service_id,
+                Spreadsheet.from_file_form(form).as_dict,
+            )
+            file_name_metadata = unicode_truncate(
+                SanitiseASCII.encode(form.file.data.filename), 1600
+            )
+            set_metadata_on_csv_upload(
+                service_id, upload_id, original_file_name=file_name_metadata
+            )
+            return redirect(
+                url_for(
+                    ".check_messages",
+                    service_id=service_id,
+                    upload_id=upload_id,
+                    template_id=template.id,
+                )
+            )
         except (UnicodeDecodeError, BadZipFile, XLRDError):
             flash(
                 "Could not read {}. Try using a different file format.".format(
diff --git a/app/models/spreadsheet.py b/app/models/spreadsheet.py
index b321146d6..096def881 100644
--- a/app/models/spreadsheet.py
+++ b/app/models/spreadsheet.py
@@ -32,7 +32,6 @@ class Spreadsheet:
                 self._csv_data = converted.getvalue()
         return self._csv_data
 
-
     @classmethod
     def can_handle(cls, filename):
         return cls.get_extension(filename) in cls.ALLOWED_FILE_EXTENSIONS
@@ -46,7 +45,6 @@ class Spreadsheet:
         rows = file_content.read().decode("utf-8").splitlines()
         return "\r\n".join(rows)
 
-
     @classmethod
     def from_rows(cls, rows, filename=""):
         return cls(rows=rows, filename=filename)