FREE DELIVERABILITY TOOL

Pre-Send Spam Score Tester

Analyze your email content against 80+ spam filters before you hit send. Get per-ESP risk scores, flagged trigger words, and actionable fixes.

80+
Spam Checks
11
ESP Providers
7
Categories

Email Content Analyzer

Content-only analysis. No sender fields needed.
Target Recipients' Email Provider
Gmail / Google Workspace
Microsoft 365 / Outlook
Yahoo / AOL
+ Additional / Custom ESPs ▾
SendGrid
Mailgun
Mailchimp
Amazon SES
Postmark
SparkPost
Instantly
GoHighLevel
Subject Line 0 chars
Email Body 0 words
Include email signature in analysis
Signature Content 0 chars
Sender Name (optional)
From Address (optional)
Reply-To Address (optional)
Email Type
Try a demo:
Analyzing content...
How It Works

Paste. Analyze. Fix. Send.

No signup. Your content never leaves your browser.

01

Paste Your Content

Subject, body, and optionally your signature.

02

Select Targets

Pick ESPs and analysis depth.

03

Review Results

Flagged words highlighted. Findings with SA rules and fixes.

04

Fix & Rescan

Edit, re-analyze, confirm score drops.

FAQ

Common questions.

80+ checks across seven categories: subject line, body content (200+ phrases), link intelligence, HTML structure, obfuscation, readability, and sender signals. Each maps to a real SpamAssassin rule.
No. Everything runs client-side. Nothing is sent to any server.
Different providers weigh spam signals differently. Selecting providers adjusts scoring weights and adds provider-specific findings.
Completely free, forever, no signup. TheBRHub offers premium products like DeliverCORE for continuous monitoring.

Test Your Email Before Your Recipients Do

No signup. No limits. Full spam risk audit.

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