> ## Documentation Index
> Fetch the complete documentation index at: https://moengage-user-guide.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# How Is an Email Drop Event Generated?

<img alt="image-20250203-102214.png" src="https://mintcdn.com/moengage-user-guide/oYOPmRcsmiR-7ZIH/images/moengage_4f3838.png?fit=max&auto=format&n=oYOPmRcsmiR-7ZIH&q=85&s=809a0e414e56898bf41c306fe49aa51b" style={{ width:"64%" }} width="402" height="140" data-path="images/moengage_4f3838.png" />

## Explanation

Email Drop event, which occurs during the Email campaign delivery, is generated under the following scenarios based on your actions and attributes:

1. When user attribute unsubscribe, spam and bounce is true.
2. When a user's email address is missing or lacking a valid email attribute.

<Info>
  * Implementing the *Email Drop* event in the flow by MoEngage has significantly increased the *Email Drop* event count.
  * The *Email Drop* event is an internal event specific to MoEngage.
</Info>