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Unspam

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Test email deliverability before sending

Website:https://unspam.email/
Added on:Jul 13, 2026
Monthly Visitors:
42.3K
Email deliverabilitySpam testingEmail accessibilityEmail renderingInbox placementBlacklist monitoring
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Unspam
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Tool Information

What is Unspam?

Unspam is a web-based email deliverability testing tool that analyzes spam risk, authentication, blacklists, accessibility, rendering, and inbox placement before you send an email to subscribers.

Core Features

  • Email spam scoring

    Analyzes authentication, sender reputation, blacklists, and content signals to produce a spam score from 0 to 100 and identify deliverability issues.

  • Blacklist monitoring

    Checks email domains, email addresses, and IP addresses against major blacklists, including Spamhaus, SpamCop, and Barracuda.

  • Accessibility testing

    Checks emails against WCAG accessibility rules, including color contrast, alt text, heading order, dark-mode rendering, link text, tap targets, and language declarations.

  • Email rendering previews

    Previews how an email renders across more than 50 real email clients and devices in light and dark mode.

  • AI eye-tracking heatmap

    Provides an AI-generated heatmap showing where subscribers are expected to focus in an email.

  • Inbox placement testing

    Tests whether emails reach the primary inbox, promotions, or spam across email providers.

  • Deliverability diagnostics

    Reports on SPF, DKIM, DMARC, BIMI, reverse DNS, list-unsubscribe headers, broken links, short URLs, and domain suffix and age.

Use Cases

  • #1

    Pre-send email testing

    Send an email to a unique testing address to receive a spam score and deliverability report before sending it to subscribers.

  • #2

    Deliverability troubleshooting

    Review warnings about authentication, content, links, and other checks to identify potential reasons an email may be filtered as spam.

  • #3

    Accessibility review

    Find issues such as insufficient contrast, missing image alt text, dark-mode problems, and heading-order errors before sending an email.

  • #4

    Email quality assurance

    Inspect how an email renders across email clients and devices and review predicted subscriber attention areas.

  • #5

    Inbox placement verification

    Check whether an email reaches the primary inbox, promotions, or spam across providers.

Best for:Email marketersEmail deliverability professionalsNewsletter sendersBusinesses sending subscriber email

Pricing Plans

The official homepage describes the spam test as free, with no signup required and results available 30 seconds after the email is received.

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Frequently Asked Questions

What is Unspam?
Unspam is an email deliverability testing tool that helps identify issues affecting spam filtering, inbox placement, accessibility, and email rendering before an email is sent.
How does Unspam test an email?
You send an email to a unique testing address. Unspam then provides a spam score and deliverability report.
Does Unspam provide a spam score?
Yes. Unspam produces a spam score from 0 to 100 based on authentication, sender reputation, blacklists, and content signals.
Can Unspam check email blacklists?
Yes. It checks domains, email addresses, and IP addresses against major blacklists, including Spamhaus, SpamCop, Barracuda, and other lists.
Does Unspam test email accessibility?
Yes. It checks emails against WCAG accessibility rules, including color contrast, alt text, heading order, dark-mode rendering, link text, tap targets, and language declarations.
Can Unspam preview email rendering?
Yes. Unspam previews email rendering across more than 50 real email clients and devices in light and dark mode.
Does Unspam test inbox placement?
Yes. It tests whether emails land in the primary inbox, promotions, or spam across email providers.
Is Unspam free?
The official homepage describes the spam test as free, with no signup required. Results are available 30 seconds after the email is received.

Unspam Contact & Social Media

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Tool Information

Pricing ModelFree
CategoryMarketing
Tags
Email deliverabilitySpam testingEmail accessibilityEmail renderingInbox placementBlacklist monitoring
LanguageEnglish
Last UpdatedJul 16, 2026
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