fix: update app engine standard mail sample to use the correct address format (GoogleCloudPlatform#3096)

chenyumic · leahecole · web-flow · commit 6086225cb021 · 2020-03-13T13:37:35.000-07:00
Co-authored-by: Leah E. Cole &lt;6719667+leahecole@users.noreply.github.com&gt;
diff --git a/appengine/standard/mail/attachment.py b/appengine/standard/mail/attachment.py
@@ -21,7 +21,7 @@
 class AttachmentHandler(webapp2.RequestHandler):
     def post(self):
         f = self.request.POST['file']
-        mail.send_mail(sender='{}@appspot.gserviceaccount.com'.format(
+        mail.send_mail(sender='example@{}.appspotmail.com'.format(
             app_identity.get_application_id()),
                        to="Albert Johnson <Albert.Johnson@example.com>",
                        subject="The doc you requested",
diff --git a/appengine/standard/mail/header.py b/appengine/standard/mail/header.py
@@ -43,7 +43,7 @@ def get(self):
     def post(self):
         print(repr(self.request.POST))
         id = self.request.POST['thread_id']
-        send_example_mail('{}@appspot.gserviceaccount.com'.format(
+        send_example_mail('example@{}.appspotmail.com'.format(
             app_identity.get_application_id()), id)
         self.response.content_type = 'text/plain'
         self.response.write(
diff --git a/appengine/standard/mail/send_mail.py b/appengine/standard/mail/send_mail.py
@@ -37,7 +37,7 @@ def send_approved_mail(sender_address):
 
 class SendMailHandler(webapp2.RequestHandler):
     def get(self):
-        send_approved_mail('{}@appspot.gserviceaccount.com'.format(
+        send_approved_mail('example@{}.appspotmail.com'.format(
             app_identity.get_application_id()))
         self.response.content_type = 'text/plain'
         self.response.write('Sent an email to Albert.')
diff --git a/appengine/standard/mail/send_message.py b/appengine/standard/mail/send_message.py
@@ -40,7 +40,7 @@ def send_approved_mail(sender_address):
 
 class SendMessageHandler(webapp2.RequestHandler):
     def get(self):
-        send_approved_mail('{}@appspot.gserviceaccount.com'.format(
+        send_approved_mail('example@{}.appspotmail.com'.format(
             app_identity.get_application_id()))
         self.response.content_type = 'text/plain'
         self.response.write('Sent an email message to Albert.')
diff --git a/appengine/standard/mail/user_signup.py b/appengine/standard/mail/user_signup.py
@@ -35,7 +35,7 @@ def post(self):
         else:
             confirmation_url = create_new_user_confirmation(user_address)
             sender_address = (
-                'Example.com Support <{}@appspot.gserviceaccount.com>'.format(
+                'Example.com Support <example@{}.appspotmail.com>'.format(
                     app_identity.get_application_id()))
             subject = 'Confirm your registration'
             body = """Thank you for creating an account!
