Unspam
Email spam score checker, deliverability tester, and email preview suite
pricingfree tierapichecked 24 Aug 2026
What Unspam is
Unspam is an online email testing platform that evaluates email newsletters and cold sales templates before sending. By sending a test email to a unique address, Unspam analyzes SPF/DKIM/DMARC records, evaluates copy against spam word triggers, scans reverse DNS, and renders visual rendering previews across 20+ email clients and dark mode devices.
Pricing
| Plan | Price | Annual | What you get |
|---|---|---|---|
| Free | Free | — | 10 test credits/month, full SPF/DKIM/DMARC check, spam trigger word analysis |
| Basic | $9/mo | $7/mo | 100 test credits/month, visual device rendering preview, blocklist monitoring |
| Business | $29/mo | $23/mo | 500 test credits/month, email client screenshot suite, API access, team access |
Annual plans provide 20% discount on monthly subscription rates.
Free access: Free tier with 10 free spam and authentication checks per month
read from the vendor pricing page · 24 Aug 2026 · how we verify
Best for
- Email marketers ensuring newsletter templates pass spam filters before mass broadcasts
- SDRs testing cold outreach templates for spam trigger words and broken HTML tags
Not for
- Live customer support chat ticketing
Integrations
Unspam alternatives
All 4 alternatives to Unspam, compared Get the Toolvern badge for Unspam
Allegrow B2B sales email deliverability and spam risk monitoring platform 
Email on Acid by Sinch Email pre-deployment testing, subject line preview, and spam analysis 
Benchmark Email Modern email marketing platform with Smart Content AI writer and visual journey automations 
Campaign Refinery High-deliverability email platform with built-in inbox placement algorithms Head to head: Unspam vs Allegrow Unspam vs Email on Acid by Sinch Unspam vs Benchmark Email Unspam vs Campaign Refinery
Compiled by Stepan Noianov from the vendor's own site and pricing page. Something wrong? Report an inaccuracy.