Add unwanted emails and domains to the suppression list

Keep competitors, existing customers and anyone else out of your outreach by adding their email address or domain to the suppression list.

About 3 min·6 steps·First login to first campaign · Step 6 of 8·Last updated 1 September 2026

Applies to: All plans

A suppression list is the set of email addresses and domains you do not want hubsell to contact: competitors, or anyone else who should stay out of your outreach. Anything on the list is skipped when a flow sends.

Add an email address to block one person. Add a domain to block everyone at that company.

Add an email or domain to the suppression list

Click your username at the bottom of the left sidebar.

Opening the profile menu
Click Suppression.

Opening the suppression list
Type the email address or domain you want excluded from outreach.

Entering the address or domain
Click the + button to add it to the list.

Adding to the list

Remove an email or domain from the list

Find the entry in the suppression list and tick the checkbox next to it.

Selecting the entry
Click Remove Selected.

Removing the entry

Your suppression list is set. Anything on it is skipped the next time a flow sends, and you can add to it or clear entries at any point.

Interactive walkthrough

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Common questions

What is a suppression list?

The set of email addresses and domains you do not want hubsell to contact, such as competitors or anyone else who should stay out of your outreach. Anything on the list is skipped when a flow sends.

What is the difference between suppressing an email address and a domain?

An email address blocks one person. A domain blocks everyone at that company.

Next in this series

Add contacts to a flow