Add error handling to notify

main.go

@@ -59,7 +59,13 @@ func main() {
 		if !queued {
 			delay := 5 * time.Minute
 			log.Printf("Mailing changes in %v seconds", delay.Seconds())
-			time.AfterFunc(delay, func() { doNotify() })
+			time.AfterFunc(delay, func() {
+				err := doNotify()
+				if err != nil {
+					Error.Printf("Error sending mail: %v", err)
+					return
+				}
+			})
 			queued = true
 		}
 		changes = append(changes, &event)