Email suppression list scrubber

Compare a campaign list with your suppression rules. Export the rows that remain and an audit explaining every removal.

By dreamif.aiUpdated July 22, 2026Free to use

Step 1

Paste your campaign list

Paste a list with an email column and keep any other columns you need. Processing happens on this device.

0 detected rowsNo header row detected

New row

Step 2

Add suppression rules

Paste one email or domain per line. You can also paste a CSV.

0 emails0 domains

Step 3

Review and scrub

Choose how addresses should match, then run the scrub.

Remove duplicate addressesKeep the first row for each address.Match Gmail dots and +tagsGroup Gmail aliases for the same inbox.

Questions, answered.

No. It compares your two lists against each other and applies the rules you provide. It doesn’t contact any unsubscribe database or provider, and it doesn’t check whether an address can still receive mail.

More inTools

Related resources

Cold email CSV checker

Paste a cold email CSV and get an import decision for each flag, from missing names and duplicates to role-based and free-mail addresses, before you send.

Mail merge preview

1 issue

Template

Hi {{first_name}},

Quick idea for {{company}}.

Hi Sarah, Quick idea for Acme.

Hi , Quick idea for N/A.

Empty value

ToolsFree tool

Mail merge preview tool

Paste your template and CSV. Preview the first 20 merged emails instantly and catch broken variables, empty fields, placeholder values, and unused columns.

john.smith@acme.com34

jane.doe@company.io34