[Intum Help](https://intum.com/help.md) / [Mail](https://intum.com/help/mail.md)

# [Filters](https://intum.com/help/mail/filters.md)

## What Are Filters?

Filters automatically perform actions on incoming [emails](emails) based on defined conditions. For example, emails from a specific customer can be automatically assigned to the right person and moved to a [folder](folders).

## How Filters Work

When a new email arrives, the system checks filters from the highest priority. If the email matches a filter's conditions, the action is executed.

## Filter Conditions

A filter can check:

- **Sender email** — a specific email address
- **Sender domain** — all addresses from a given domain
- **Subject** — contains a specific phrase
- **Receiving [mailbox](email-mailboxes)** — the email arrived at a specific mailbox
- **Responsible person** — currently assigned responsible person

A filter must have **at least one condition**.

## Filter Actions

When conditions are met, a filter can:

- **Change the responsible person** — assign the email to a [user](../organization/user), [group](../organization/group), or [team](../organization/team)
- **Redirect** — send a copy to another email address
- **Change priority** — set priority from 1 to 5
- **Move to folder** — assign to a [folder](folders)
- **Archive** — automatically archive the email

A filter must have **at least one action**.

## Creating a Filter

1. Go to **Mail** → **Filters**
2. Click **+** (New Filter)
3. Fill in:
   - **Name** — filter name
   - **Priority** — checking order
   - **Conditions** — what the email must match
   - **Actions** — what to do with the email
4. Save

A filter can also be created **directly from an email** — the system will automatically fill in conditions based on the sender.

## Testing a Filter

After creating a filter, you can run a **test** — the system will check existing emails and show which ones match the conditions, without executing actions.

## Filter Priority

Filters are checked from the highest priority. The first matching filter executes its action.

## Important Information

- A filter must have at least **1 condition** and at least **1 action**
- The address in the **Redirect to** field must be a valid email address
- Email priority must be a number from **1 to 5**
- A filter can be **deactivated** without being deleted