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Posthawk

Freemium#16 of 38 in Transactional Email Software

Posthawk: A flexible transactional email platform with cloud and Docker deployment options. Ranked #16 of 38 in Transactional Email Software by our editors (6.2/10); pricing: Free plan · paid from $20/mo; best for developer teams needing self-hosting and email APIs.

6.2/10Editor score
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Posthawk6.2 Visit Posthawk

At a glance

  • Editor score
    6.2 / 10
  • Pricing
    Free plan · paid from $20/mo
  • Best for
    Developer teams needing self-hosting and email APIs
  • Free plan
    Yes
  • Paid from
    $20/mo
  • Delivery methods
    Both
  • Founded
    2025
  • Facts checked
    20 Sep 2026
Posthawk screenshot

  • Where it wins

    • Docker Compose self-hosting with managed cloud deployment
    • REST API, SMTP relay, SDKs, templates, and webhook events
    • Scheduled delivery, inbound parsing, and domain authentication

  • Where it doesn't

    • Free plan is limited to 3,000 emails per month
    • Self-hosted users pay upstream sending costs
    • Founded in 2025, with a shorter operating history

Our verdict on Posthawk

Posthawk is an email infrastructure platform for developers and growing teams that need programmable transactional or marketing email delivery. It combines a REST API, SMTP relay on port 587, a web dashboard, TypeScript and Python SDKs, and Docker Compose self-hosting. The platform also supports scheduled delivery, inbound email processing, reusable HTML and React Email templates, domain configuration, and event tracking. Teams can choose the managed cloud service or deploy the self-hosted edition on their own infrastructure.

Pricing is structured around three monthly plans. Free includes 3,000 emails per month, 100 emails per day, one domain, three templates, one webhook endpoint, and community support. Pro costs $20 per month and raises capacity to 50,000 emails per month with unlimited daily sending, 10 domains, 10 templates, five webhook endpoints, and priority support. Scale costs $49 per month and includes 100,000 emails per month, 100 domains, unlimited templates, unlimited webhooks, audit logs, and a dedicated Slack channel. Annual billing is not offered, while the self-hosted edition is free apart from upstream sending costs; an optional self-hosted support plan is available separately.

Posthawk’s strongest fit is for engineering-led teams that want control over deployment and delivery workflows. Its integrations include AWS SES, Supabase, Docker, Redis, React Email, Stripe, and Cloudflare, while SPF, DKIM, DMARC, and MAIL FROM configuration support domain authentication. Bounce, complaint, suppression, open, and click tracking add operational visibility, and inbound parsing extends the platform beyond outbound delivery. Teams seeking a mature provider with a longer operating history should weigh its 2025 founding year; teams that value self-hosting, programmable delivery, and moderate-volume plans should find the product more suitable.

Posthawk pricing

Plans Free plan · paid from $20/moFreemium A usable free plan; paid tiers unlock the limits above. Prices re-checked Sep 2026.
See plans on posthawk.dev

All 3 Posthawk plans and prices →

Posthawk fact sheet

Free planYes
Paid from$20/mo
Delivery methodsBoth
Template optionsBoth
Event webhooksYes
Delivery log retention15 days
Dedicated IP optionYes
Monthly send limit50000 emails/mo
DeploymentCloud, Self-hosted
PlatformsWeb
Compliance & securityGDPR, 2FA
SupportEmail, Community, Docs
Built forSolo, Small business, Mid-market (editorial estimate)
Integrations7 integrations: AWS SES, Supabase, Docker, Redis, React Email, Stripe …
PricingFree plan · paid from $20/mo (source)
Websiteposthawk.dev
Facts checked20 Sep 2026

Posthawk integrations

Posthawk lists 7 integrations on its own site.

  • AWS SES
  • Supabase
  • Docker
  • Redis
  • React Email
  • Stripe
  • Cloudflare

Alternatives to Posthawk

See all Posthawk alternatives →

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Featured on iTechGuides

Featured on iTechGuides — Posthawk 6.2/10

Posthawk is listed in our Transactional Email Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

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