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Exclusion Lists block outreach to specific contacts, company domains, and synced HubSpot lists.

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Tabs

The Exclusion Lists page is divided into three tabs.

Contacts (Emails)

Block individual email addresses.

Companies (Domains)

Block entire company domains.

HubSpot Lists

On paid plans, sync supported HubSpot contact, company, or deal lists as live exclusion sources.

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Add Exclusions

You need Team Admin access to manage Exclusion Lists. You can add exclusions in two ways:
  1. Add Emails / Domains: Paste emails and domains in the same list, one per line.
  2. Upload CSV: Upload a file up to 3 MB and 20,000 records. Map email and domain columns before importing.
Duplicate entries are handled where supported, emails are matched case-insensitively, and domains are normalized when possible.

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Search And Filters

On the Contacts and Companies tabs, search matches any part of an email address or domain. You can also filter by source:
  • Manual
  • CSV
  • HubSpot
  • Bounce detected

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Bounce Handling

Emails with a detected bounce are automatically added to contact exclusions with source Bounce detected.

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HubSpot Sync

Synced HubSpot lists show status Syncing. These lists stay connected as live exclusion sources and refresh periodically through background processing.

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Flow Behavior

Excluded prospects are checked when FirstTouch evaluates enrollment and later stop conditions. Timing can matter: an action that already completed is not undone, and some non-email actions may depend on where the prospect is in the Flow Plan. Chrome Extension direct enrollment does not apply the standard Exclusion List check. Review exclusions before adding a prospect from the extension. Removing an exclusion does not undo completed outreach. It only affects future checks after the relevant flow or audience processes again.