The Global Blocklist is a workspace-wide feature that prevents specific email addresses or entire domains from being imported into campaigns or being contacted.
When you import leads, Instantly automatically checks them against your blocklist(watch the walkthrough video here):
Block Entire Domains: mycompetitor.com
Block Specific Email Addresses: [email protected]
When blocking an entire domain, please enter only the domain name without the "@" symbol.
Blocklist Tab
The blocklist tab is checked both during the upload and across ongoing campaigns.
Leads in the Blocklist tab will not be imported into any campaigns.
Leads in the Blocklist tab will not be contacted, even if they already exist in the campaign within the workspace.
Steps to add leads to the Blocklist Tab:
File format:
First column must be named "Blocked"
Each row contains one email address or domain
No extra columns needed
Single sheet in the CSV file
Go to Blocklist tab
Click "+Import" button
Choose your preferred method(Download template):
CSV file
Enter data manually
Google Sheets
Confirm import
Google Sheets Blocklist
The Google Sheet blocklist is checked only when importing or uploading leads. If you need to block emails to leads already in your active campaigns, use the Blocklist tab.
Steps to prepare your Google sheet:
Create or use sample sheet
Format the sheet:
Column A, Row 1: Enter "Blocked"
Column A, Rows 2+: Enter emails/domains to block
Delete columns B-Z
Set sharing permissions:
Click "Share" button (top right)
Click "Change" below "Get link"
Change to "Anyone with the link as Editor"
Click "Copy link"
Connect to Instantly:
Go to Blocklist β Google Sheets
Paste the Google Sheets link
Click "Set blocklist"
Confirmation:
Instantly will show number of rows imported
Entries are now saved to your blocklist
Automatic Blocklist: AI Blocklist Triggers
Automatically add leads to your blocklist based on their status or reply content. Available to Hyper Growth and above plans.
Steps to set up AI Blocklist Triggers:
Go to the Blocklist -> AI Blocklist Triggers
Switch the toggle to automatically add Unsubscribed leads to the blocklist
Or automatically add leads in certain statuses to the blocklist
Or automatically blocklist leads whose replies contain specific phrases. Use semicolon (;) to separate texts or phrases
Add Leads to Blocklists from Unibox
You can also add leads to the blocklist from Unibox. Here are the steps:
Go to Unibox
Open the reply from the lead you wish to block
Click the three dots (...) in the top right corner
Select Add to blocklist. This option will also remove this reply.
Managing Your Blocklist
Domain Search:
Click "Domain Search" filter
View only blocked domains (not individual emails)
Download CSV:
Select entries using checkboxes
Click "Download CSV"
Export selected emails/domains
View Timestamp:
See when each entry was added
Remove Entries:
Select entries using checkboxes
Click "Delete" or trash icon
Confirm removal




