diff --git a/rattail_tempmon/server.py b/rattail_tempmon/server.py
index a5d913c..62a1068 100644
--- a/rattail_tempmon/server.py
+++ b/rattail_tempmon/server.py
@@ -116,13 +116,14 @@ class TempmonServerDaemon(Daemon):
         }
 
         prev_status = probe.status
+        prev_alert_sent = probe.status_alert_sent
         if probe.status != status:
             probe.status = status
             probe.status_changed = self.now
             probe.status_alert_sent = None
 
             # send email when things go back to normal, after being bad
-            if status == self.enum.TEMPMON_PROBE_STATUS_GOOD_TEMP:
+            if status == self.enum.TEMPMON_PROBE_STATUS_GOOD_TEMP and prev_alert_sent:
                 send_email(self.config, 'tempmon_good_temp', data)
                 probe.status_alert_sent = self.now