Test email deliverability in seconds
Mailtest (mailtest.scuton.com) earns a Brand Analyzer score of 69 out of 100, placing it in the Developing tier among SaaS brands, Technology brands. Among 12358 SaaS brands analyzed, Mailtest ranks in the 46th percentile (category average 69, leader 97). The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark. Dimension scores: Name Quality 98/100, Digital Presence 65/100, Visual Identity 93/100, Messaging Clarity 100/100, Trust Foundation 63/100, AI Discoverability 92/100, Brand Authority 20/100.
Mailtest (mailtest.scuton.com) is an email deliverability testing tool founded in 2018 and headquartered in London, owned by Unlimited & Limited. It performs comprehensive checks across 12 deliverability factors including SPF, DKIM, DMARC, blacklist status, and spam scoring. Positioned as a transparent, open-source alternative to generic checkers, Mailtest offers a permanent free tier, requires no credit card, and can be self-hosted via Docker. It targets email marketers, developers, and teams managing email infrastructure.
| Brand Name | Mailtest |
|---|---|
| Domain | mailtest.scuton.com |
| Industry | SaaS, Technology |
| Founded | 2018 |
| Headquarters | London |
| Parent Company / Owner | Unlimited & Limited |
| Main Competitors | MXToolbox, Mail-Tester, GlockApps, Litmus, Postmark Spam Check, EmailOnAcid |
Moz Domain Authority 3/100 vs category average 28 / leader 99 - limited third-party links, so AI systems rarely encounter mentions of the brand.
No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.
The homepage meta description reads "Test your email deliverability in seconds. SPF, DKIM, DMARC, blacklist checks and spam score analysis." (Meta description: 15 words (ideal length). OG description present and descriptive) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: 4 JSON-LD block(s), Organization schema, FAQ schema, Breadcrumb/Website schema, og:title, og:description, og:image, og:type, Twitter cards, canonical.
AI-crawler access: robots.txt mentions GPTBot, ClaudeBot, Google-Extended, PerplexityBot - all allowed - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Social footprint: verified profiles on Instagram; no detected presence on GitHub, X (Twitter), LinkedIn, Facebook, YouTube - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Mailtest scores 31/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Mailtest has a weak AI-visibility profile at 31/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (54/100) and its weakest is visibility (13/100). It benefits from a Wikidata knowledge-graph entry, open access for AI crawlers (GPTBot, ClaudeBot, etc.) and machine-readable schema.org markup. The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data and a low Moz Domain Authority of 3/100.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Mailtest's main competitors include MXToolbox, Mail-Tester, GlockApps, Litmus, Postmark Spam Check. These companies compete in the SaaS space for similar customers, offering comparable products or services.
Sources: Mailtest official site
Mailtest offers an email deliverability testing service that checks 12 factors including SPF, DKIM, DMARC, blacklist status, and spam score analysis. The service is available via a web interface and includes a permanently free tier requiring no credit card. Additionally, Mailtest can be self-hosted through a Docker deployment option, making it suitable for teams or organizations that prefer to run the tool on their own infrastructure.
Sources: Mailtest official site
Mailtest runs comprehensive email deliverability checks to diagnose why emails fail to reach inboxes. It analyzes 12 deliverability factors, including SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), DMARC (Domain-based Message Authentication), blacklist status, and spam score analysis. The tool delivers results in seconds and provides detailed, actionable analysis. It is available as a free tier with no credit card required and can also be self-hosted using Docker.
Sources: Mailtest official site
Popular alternatives to Mailtest include MXToolbox, Mail-Tester, GlockApps, Litmus, Postmark Spam Check. Each is an established option in the SaaS space; the best fit depends on your specific needs, budget, and required features.
Sources: Mailtest official site
Mailtest is an email deliverability testing tool available at mailtest.scuton.com, founded in 2018 and headquartered in London. It is owned by Unlimited & Limited and is described as an email address verification tool and email checker. Mailtest is positioned as a transparent, open-source solution designed to reveal the exact reasons for email delivery failures, distinguishing itself from more generic checking tools available on the market.
Sources: Mailtest official site
Mailtest has limited AI-search visibility, scoring 31/100 on Brand Analyzer's AI visibility composite (visibility 13, trust 38, recommendation 54). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: Mailtest official site
Mailtest was founded in 2018. Mailtest operates in the SaaS category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
Mailtest is headquartered in London. Mailtest operates in the SaaS category.
Sources: Wikidata
Mailtest and MXToolbox are competitors in SaaS. They target overlapping audiences; the right choice depends on your specific needs and priorities.
Sources: Mailtest official site
Mailtest is known for being a transparent, open-source email deliverability checker that provides instant, detailed analysis of 12 email deliverability factors, including SPF, DKIM, DMARC, and spam scoring. It is also recognized for offering a permanently free tier with no credit card requirement and for supporting self-hosting via Docker. Its positioning emphasizes revealing the exact reasons for email delivery failures, unlike more generic checking tools.
Sources: Mailtest official site
Mailtest scores 54/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest SaaS options. Recommendation depends on crawlability, structured data, and category authority.
Sources: Mailtest official site
Mailtest is used by email marketers, developers, and teams responsible for managing transactional or marketing email infrastructure. These users rely on the tool to diagnose deliverability issues, verify correct configuration of authentication protocols such as SPF, DKIM, and DMARC, and ensure their emails reach recipients' inboxes rather than spam folders. The self-hosting option via Docker also makes it appealing to technically proficient teams with specific infrastructure or privacy requirements.
Sources: Mailtest official site
Mailtest can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: Mailtest official site
Mailtest is owned by or part of Unlimited & Limited. Mailtest operates in the SaaS category.
Sources: Wikidata
Mailtest's popularity is attributed to several practical features: it provides instant results, analyzing 12 email deliverability factors in seconds at no cost. Its permanently free tier requires no credit card, lowering the barrier to entry. The tool is open-source and self-hostable via Docker, appealing to developers and privacy-conscious teams. Its focus on diagnosing specific reasons for email delivery failures, rather than providing generic results, adds practical value for its target users.
Sources: Mailtest official site
Ranked closest to Mailtest: Maestro ABM (69/100), MadKudu (69/100), Mainnovation (69/100), MakinaRocks (69/100).
A step up - brands to learn from: ZyG (71/100), Zuant (71/100).
Category leader: Accenture (97/100).