AI-powered email deliverability testing predicts inbox placement for marketers.
Product memo
Email marketers and newsletter creators use Mailtester to predict inbox placement and identify deliverability issues before sending. It focuses on a single email forward to show where messages land (Primary, Promotions, Spam) and suggests specific fixes. This direct approach offers quick, clear insights without complex setup, targeting users who need fast answers on email health.
For who
Email marketers and newsletter creators
Solves what
Predicting inbox placement and identifying deliverability issues before sending
- AI deliverability analysis
- Inbox placement prediction
- Actionable fix suggestions
In their own words
Forward your _next_ send. See where
Forward any send. See if it lands in Primary, Promotions, or Spam — and fix it.
Commercial cues
Model
hybrid
Free tier
Yes
Trial
No
Pricing Strategy
- • Unlimited free basic scoring removes initial friction for new users.
- • One-time credit packs suit occasional users needing AI deep-dives.
Operator context
Operating setup
Team
Indie / lean
LLM classification
Founded
Oct 2025
HQ
Czechia
Platform
Web app
Audience
Marketers
Social footprint
Market demand
Mailtester keyword demand
5 keywords
Market demand is Starter-tier market intelligence.
Derived from this product’s latest SimilarWeb keyword mix — directional demand, not proof.
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Bootstrapped Lean
- Effort
- Solo Buildable
About Mailtester Expand
Mailtester provides email marketers and newsletter creators with AI-driven insights into email deliverability. It helps users understand if their messages will land in the primary inbox, promotions, or spam folders.
The platform analyzes factors like SPF, DKIM, and DMARC, offering a spam score report and even suggesting subject line rewrites. This niche focus on pre-send analysis gives users a defined workflow to fix issues, avoiding the complexities of broader email warm-up tools.
Its hybrid pricing, including a free tier and usage-based credits, makes it accessible for both occasional checks and regular campaign optimization.