# How MailGap keeps inboxes separate

> Understand message containment, optional activity alerts, alias replies, and deletion limits.

## Documentation

- [How MailGap keeps inboxes separate](https://www.cairl.co/docs/guides/mailgap)
- [Markdown](https://www.cairl.co/products/mailgap/documentation/markdown)

This index covers MailGap only. It does not represent all CAIRL documentation.