Mailtrap
Email delivery platform combining a production Email API with an Email Sandbox for safe pre-launch testing.
Mailtrap is a dual product: a transactional Email API and SMTP relay for production sending, plus an Email Sandbox that captures test emails so dev teams can inspect HTML, headers, spam scoring, and blacklist checks before going live. The Email API tiers cover 4,000 to 2.5M+ emails per month with dedicated IP starting at the Business plan and 30-day log retention at Enterprise. The Email Sandbox is billed separately (Free 50 test emails, Basic $14/mo annual, Team $34/mo annual, Business $99/mo annual, Enterprise $399/mo annual) and is most useful for QA, staging environments, and CI pipelines that need to verify outbound mail without touching real inboxes.
- Category
- Deliverability
- Free plan
- Yes
- Plans
- 4
- Verified
Plans & pricing
Headline prices for each Mailtrap tier, captured from https://mailtrap.io/pricing/ on .
Free
4,000 emails per month for hobby projects and early validation
- Emails / month
- 4,000
- Team seats
- ·
- Custom domains
- 1
Included
- 4,000 emails per month
- 150 emails per day cap
- Email API and SMTP relay
- 1 user
- 1 sending domain
- 3 days of email logs
Not on this plan
- Multiple users
- Multiple sending domains
- Dedicated IP
- Extended log retention
- Priority support
150 emails/day cap. Email API and SMTP relay. Email Sandbox free tier (50 test emails) is separate.
Basic
Entry paid Email API tier scaling from 10k to 100k emails per month
- Emails / month
- 100,000 emails (entry $15 covers 10k; scales to $30 at 100k)
- Team seats
- 3
- Custom domains
- 5
Included
- 10,000 to 100,000 emails per month (volume tiered)
- 3 users
- 5 sending domains
- 5 days of email logs
- Email API and SMTP relay
Not on this plan
- Dedicated IP
- 15 or 30 days of log retention
- Larger user and domain caps
- Priority support
No dedicated IP. 5-day log retention.
Business
Best value
- Emails / month
- 750,000 emails (entry $85 covers 100k; scales to $450 at 750k)
- Team seats
- 1,000
- Custom domains
- 3,000
Included
- 100,000 to 750,000 emails per month (volume tiered)
- Dedicated IP included
- 1,000 users
- 3,000 sending domains
- 15 days of email logs
- Email API and SMTP relay
Not on this plan
- 30 days of log retention
- Custom volume contracting above 750k
- Priority support SLAs
Dedicated IP included. 15-day log retention.
Enterprise
1.5M+ emails per month with priority support and custom contracting
- Emails / month
- 2,500,000 emails (entry covers 1.5M; custom above 2.5M)
- Team seats
- ·
- Custom domains
- Custom
Included
- 1,500,000 to 2,500,000+ emails per month (volume tiered)
- Dedicated IP included
- 30 days of email logs
- Priority support
- Custom contracting available above 2.5M emails
30-day log retention. Priority support.
Where Mailtrap earns its price
- Unique combination of testing Sandbox and production Email API in one platform, removing the need for separate vendors for QA and live sending
- Generous Free tier covers 4,000 production emails per month plus 50 sandboxed test emails, more than Postmark's 100/month Free cap on the API side
- Volume tiering inside each plan ($15 to $30 on Basic, $85 to $450 on Business) is more granular than the flat single-volume tiers used by Mailgun, Postmark, and Resend
- Dedicated IP is included starting at the Business plan ($85/month), cheaper than SendGrid's Pro tier and most peers that gate dedicated IP behind add-on fees
- 30-day log retention on Enterprise supports compliance and incident-investigation scenarios that 5 to 15 day windows on lower tiers cannot cover
Where it falls short
- Two-product billing structure (Email API and Email Sandbox priced separately) creates pricing-page confusion for buyers comparing total spend
- Tiered ranges within each plan ($15 to $30, $85 to $450) make total cost less predictable than flat per-tier pricing from Postmark or Resend
- Smaller brand recognition than SendGrid or Mailgun, which can matter for procurement teams that prefer category-leading vendors
- No public affiliate program known, so partners and content creators have no formal payout path
Best for
- Dev teams that want one vendor for both email testing and production sending
- SaaS startups under 100k/month Email API volume who can ride the Basic tier ramp
- Teams that need a dedicated IP without paying for SendGrid Pro or higher
Not for
- Marketing-only teams (use Mailchimp or Kit)
- Buyers who want flat predictable per-tier pricing (Postmark is more predictable)
- Enterprises needing voice or SMS in the same platform (use Twilio or SendGrid)
Alternatives to Mailtrap
Tools we cover in the same space.
Common questions
- Does Mailtrap have a free plan?
- Yes. Mailtrap offers a free tier. 4,000 emails per month for hobby projects and early validation
- How much does Mailtrap cost?
- Mailtrap starts at Free. Plan prices captured April 30, 2026.
- What plans does Mailtrap offer?
- Mailtrap ships 4 plans: Free, Basic, Business, Enterprise. Each plan's anchor price, included features, and limits are listed above. Pricing reflects the snapshot captured on April 30, 2026.
- What are the alternatives to Mailtrap?
- We track 3 in-spine alternatives to Mailtrap with verified pricing: mailgun, resend, postmark. See the ranked /alternatives/mailtrap page for the full list with derived verdict tags.
Source: https://mailtrap.io/pricing/ · last verified · capture method: manual
TierGauge tracks live pricing for marketing & sales tools. Prices may change between refreshes; confirm at the vendor's pricing page before purchasing.