diff --git a/utils/monitor_disk_usage.py b/utils/monitor_disk_usage.py
index bd3d75fd9..89d8d80cd 100755
--- a/utils/monitor_disk_usage.py
+++ b/utils/monitor_disk_usage.py
@@ -20,7 +20,7 @@ def main():
         requests.post(
                 "https://api.mailgun.net/v2/%s/messages" % settings.MAILGUN_SERVER_NAME,
                 auth=("api", settings.MAILGUN_ACCESS_KEY),
-                data={"from": "NewsBlur Monitor: %s <%s>" % (hostname, admin_email),
+                data={"from": "NewsBlur Disk Monitor: %s <admin@%s.newsblur.com>" % (hostname, hostname),
                       "to": [admin_email],
                       "subject": "%s hit %s%% disk usage!" % (hostname, percent),
                       "text": "Usage on %s: %s" % (hostname, output)})
diff --git a/utils/monitor_newsletter_delivery.py b/utils/monitor_newsletter_delivery.py
index 070b5db24..65d348926 100755
--- a/utils/monitor_newsletter_delivery.py
+++ b/utils/monitor_newsletter_delivery.py
@@ -28,7 +28,7 @@ def main():
         requests.post(
                 "https://api.mailgun.net/v2/%s/messages" % settings.MAILGUN_SERVER_NAME,
                 auth=("api", settings.MAILGUN_ACCESS_KEY),
-                data={"from": "NewsBlur Monitor: %s <%s>" % (hostname, admin_email),
+                data={"from": "NewsBlur Newsletter Monitor: %s <admin@%s.newsblur.com>" % (hostname, hostname),
                       "to": [admin_email],
                       "subject": "%s newsletters bounced: %s > %s > %s" % (hostname, accepted, delivered, bounced),
                       "text": "Newsletters are not being delivered! %s delivered, %s bounced" % (delivered, bounced)})
diff --git a/utils/monitor_task_fetches.py b/utils/monitor_task_fetches.py
index 81dd97fa2..e28c42b75 100755
--- a/utils/monitor_task_fetches.py
+++ b/utils/monitor_task_fetches.py
@@ -32,7 +32,7 @@ def main():
         requests.post(
                 "https://api.mailgun.net/v2/%s/messages" % settings.MAILGUN_SERVER_NAME,
                 auth=("api", settings.MAILGUN_ACCESS_KEY),
-                data={"from": "NewsBlur Monitor: %s <%s>" % (hostname, admin_email),
+                data={"from": "NewsBlur Task Monitor: %s <admin@%s.newsblur.com>" % (hostname, hostname),
                       "to": [admin_email],
                       "subject": "%s feeds fetched falling: %s" % (hostname, feeds_fetched),
                       "text": "Feed fetches are falling (%s): %s" % (hostname, feeds_fetched, failed)})