Everything you need to optimize your cold email deliverability. 3 free uses per day, unlimited with any paid plan.
Validate email addresses before sending
Check if any email address is valid and deliverable
Upload and verify thousands of emails at once
Find verified emails for any professional
Test and improve your email deliverability
Analyze your cold email for spam triggers
See where your emails land across providers
Check your domain's email authentication
Create email authentication records
Create SPF records to authorize senders
Generate DKIM keys for email signing
Build DMARC policies for protection
Upgrade to Pro for unlimited tool usage, plus 15,000 leads/month, AI copywriting, and priority support.