Works with ActiveCampaign

Spam Score Checker for ActiveCampaign: Free Browser-Based Tool

Q: Is there a free way to spam-trigger analysis for ActiveCampaign campaigns?

Yes. The MiN8T Spam Score Checker below runs entirely in your browser — no signup, no upload, and the output works with any ActiveCampaign workflow.

→ Open the free Spam Score Checker

Browser-only, no signup, no upload. Output works with any ActiveCampaign campaign.

Built by the MiN8T Engineering Team · Updated 28 May 2026

MiN8T Spam Score Checker interface preview

ActiveCampaign's built-in tools cover the basics, but the spam score checker workflow often benefits from a dedicated, browser-only preprocessor before uploading. Pre-send spam-trigger analysis catches issues before they impact your sender reputation. Free rule-based scoring combined with a Naive Bayes classifier identifies precisely which content triggers fire.

Why pre-process before uploading to ActiveCampaign

ActiveCampaign's spam-test feature requires the Plus plan ($49/mo). External free testing covers pre-send hygiene without the per-test cost.

Step-by-step: spam-trigger analysis for ActiveCampaign

Paste your campaign HTML into the free spam score checker below
60+ rules evaluate subject patterns, body keywords, header completeness, link density, HTML structure, image-to-text ratio, and authentication signals
A Naive Bayes classifier trained on 50,000+ labeled messages provides a complementary spam-probability score
Review the rule-by-rule breakdown and fix triggers before sending via ActiveCampaign

ActiveCampaign-specific deliverability quirks to know

ActiveCampaign's deliverability score is opaque — they show category (Excellent/Good/Fair) without exposing the contributing factors. Pre-send rule analysis fills that gap.

Frequently asked questions

Does ActiveCampaign include a built-in spam score checker?

ActiveCampaign provides basic functionality but lacks granular control. ActiveCampaign's spam-test feature requires the Plus plan ($49/mo). External free testing covers pre-send hygiene without the per-test cost.

Is there a free way to spam-trigger analysis for ActiveCampaign campaigns?

Yes. The free MiN8T Spam Score Checker runs entirely in your browser — no signup, no upload, no rate limits. The output is a standard file you can upload directly to ActiveCampaign.

What image size limit does ActiveCampaign enforce?

ActiveCampaign accepts uploads up to 1000 KB per image and recommends a max width of 600px for email body width. Supported formats: JPG, PNG, GIF.

Does ActiveCampaign verify SPF, DKIM, and DMARC automatically?

ActiveCampaign supports SPF, DKIM, and DMARC alignment via custom subdomain (mail.yourdomain.com). DMARC policy configuration is yours.

What about subject line analysis for ActiveCampaign?

ActiveCampaign's subject line analyzer is AI-based but limited to the campaign editor. External multi-factor scoring works across all your campaign drafts. Use the free subject line analyzer for length scoring, spam-trigger detection, and sentiment analysis before pasting into ActiveCampaign.

Related free tools

While preparing your ActiveCampaign campaign, you may also want:

Image Compressor — also free, browser-based, optimized for email marketers
GIF Compressor — also free, browser-based, optimized for email marketers
CSS Inliner — also free, browser-based, optimized for email marketers
Inbox Preview — also free, browser-based, optimized for email marketers