diff --git a/Cargo.lock b/Cargo.lock
index 9dee118..3e790e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2217,7 +2217,7 @@ checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
 
 [[package]]
 name = "reminder-rs"
-version = "1.6.17-1"
+version = "1.6.18"
 dependencies = [
  "base64 0.21.2",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index 2b0f977..e298f88 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "reminder-rs"
-version = "1.6.17-1"
+version = "1.6.18"
 authors = ["Jude Southworth <judesouthworth@pm.me>"]
 edition = "2021"
 license = "AGPL-3.0 only"
@@ -44,6 +44,8 @@ assets = [
     ["conf/Rocket.toml", "etc/reminder-rs/Rocket.toml", "600"],
     ["web/static/**/*", "lib/reminder-rs/static", "644"],
     ["web/templates/**/*", "lib/reminder-rs/templates", "644"],
+    ["healthcheck", "lib/reminder-rs/healthcheck", "755"],
+    ["cron.d/reminder_health", "etc/cron.d/reminder_health", "644"],
 #    ["nginx/reminder-rs", "etc/nginx/sites-available/reminder-rs", "755"]
 ]
 conf-files = [
diff --git a/conf/default.env b/conf/default.env
index 1a7f2c7..e2d774e 100644
--- a/conf/default.env
+++ b/conf/default.env
@@ -14,3 +14,5 @@ REMIND_INTERVAL=
 OAUTH2_DISCORD_CALLBACK=
 OAUTH2_CLIENT_ID=
 OAUTH2_CLIENT_SECRET=
+
+REPORT_EMAIL=
diff --git a/cron.d/reminder_health b/cron.d/reminder_health
new file mode 100644
index 0000000..27fedef
--- /dev/null
+++ b/cron.d/reminder_health
@@ -0,0 +1 @@
+*/10 * * * * reminders /lib/reminder-rs/healthcheck
diff --git a/healthcheck b/healthcheck
new file mode 100755
index 0000000..cede199
--- /dev/null
+++ b/healthcheck
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+export $(grep -v '^#' /etc/reminder-rs/config.env | xargs -d '\n')
+
+VAR=$(mysql -N -D reminders -e "SELECT COUNT(1) FROM reminders WHERE utc_time < NOW() - INTERVAL 10 MINUTE AND enabled = 1")
+
+if [ "$VAR" -gt 0 ]
+then
+  echo "This is to inform that there is a reminder backlog which must be resolved." | mail -s "Backlog: $VAR" "$REPORT_EMAIL"
+fi