Crisp waits for 1 minute and 30 seconds before it delivers any notification email to operators for pending messages. You receive email notifications only for messages that don't get read before that 4 minutes delay. If the pending message gets read before that delay, no email will be delivered.
This delay makes the system convenient for contextual use: your inbox doesn't get flooded when you are active on an app and you reply from chat, while you can still fallback on email replies in some contexts (eg: apps are still open, but you leave your desk and rely on another computer or mobile device that don't have the Crisp app).
Email should be seen as the last resort way to get notified of pending messages from your visitors. You should use the Crisp Web, Desktop and Mobile apps to get notified and reply to your visitors. However, in some contexts, emails is more convenient.
Published on: 03 / 11 / 2017