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To add or edit an entry to your **domain-wide** filter table, log in to your *mailcow UI* as (domain) administrator and go to:
`Configuration > Email Setup > Domains > Edit Domain > Spam Filter` .
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![Black- and Whitelist Configuration ](../../assets/images/manual-guides/mailcow-bl_wl.png )
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!!! info
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Be aware that a user can override this [setting ](u_e-mailcow_ui-spamfilter.md ) by setting their own blacklist and whitelist!
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There is also a global filter table in `Configuration > Configuration & Details > Global filter maps` to configure a **server wide** filter for multiple regex maps (todo: screenshots).