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>log in to commentUnlike the usual email services that force a full integration, Mailkube lets you keep your existing SMTP flow or switch to a REST API instantly, with templates, tags and scheduling built‑in. We built it to offload email infrastructure while staying GDPR‑compliant in the EU. Let me know what you think 😊
- Transactional email API and SMTP relay
- GDPR‑compliant with EU data residency
- Official SDKs for six languages + CLI
- Scheduled sending with ISO‑8601 timestamps
- Signed webhooks for secure event handling
- Transparent, volume‑based pricing
Mailkube provides REST and SMTP transactional email sending with templates, tags, topics, and EU-data residency.
- for
- Developers building apps that need reliable transactional email.
- pricing
- freemium
Key features
- REST & SMTP API — Send emails via HTTP POST or standard SMTP relay without rewriting existing systems.
- Versioned Templates — Create, version, and render email templates server-side, with schema-validated variables.
- Topics & Tags — Classify sends with topics and attach up to 20 custom tags that travel through logs and webhooks.
- Webhooks & Analytics — Receive real-time delivery events via HMAC-signed webhooks and view basic or advanced analytics.
- GDPR-Compliant EU Residency — All customer data is stored at rest in the EU and accessed only from within the EU.
- Dedicated IP Options — Add dedicated sending IPs from the Ultimate plan upward for improved deliverability.
Use cases
- Send order receipt emails from an e-commerce platform
- Deliver password-reset links for a SaaS application
- Send scheduled newsletters with versioned templates
- Integrate transactional email into existing SMTP-based legacy systems
mailkube pricing
- Free$04K emails/mo · 140 emails/day · SMTP & API Access · 7-day log retention
- Launch$6/mo/month10K emails/mo · 1000 emails/day · Advanced analytics · Email Support
- Momentum$11/mo/month50K emails/mo · 5000 emails/day · Advanced analytics · Priority Support
- Elite$23/mo/month100K emails/mo · No daily limit · 30-day log retention · Advanced analytics
- Ultimate$110/mo/month250K emails/mo · 1 dedicated IP · 30-day log retention · 24/7 Support
mailkube vs alternatives
 mailkube |  SendGrid |  Postmark |  Vonage |  Twilio | |
|---|---|---|---|---|---|
| Best for | Transactional email API with EU compliance | Email delivery API with marketing features | Pure transactional email delivery | Multi-channel communications API | Unified communications platform |
| Pricing | Freemium | Subscription | Subscription | Subscription | Subscription |
| DevHunt upvotes | 1 | 0 | 0 | 0 | 0 |
| Launched | Nov 2026 | — | — | — | — |
- mailkube vs SendGrid: SendGrid focuses on both marketing and transactional email, while Mailkube emphasizes developer-first REST/SMTP API and EU data residency.
- mailkube vs Postmark: Postmark is a transactional email service but does not highlight EU-only data residency or built-in template versioning like Mailkube.
- mailkube vs Vonage: Vonage provides email APIs among many communications channels; Mailkube is dedicated solely to transactional email with deep deliverability tooling.
- mailkube vs Twilio: Twilio offers email via SendGrid integration, whereas Mailkube offers its own infrastructure and GDPR-focused hosting.
mailkube FAQ
Can I change my plan at any time?+
Yes, you can upgrade or downgrade from the dashboard; changes take effect immediately and billing is prorated.
Is there a free trial for paid plans?+
The Free plan is unlimited with no credit-card required, so you can use it forever and upgrade when needed.
What happens if I exceed my monthly email limit?+
Sending pauses once the limit is reached; you receive an alert and can upgrade instantly to resume sending.
What payment methods are accepted?+
All major credit and debit cards are accepted.
Do you offer custom or enterprise pricing?+
Yes, for volumes above 1 M emails/month or special infrastructure needs you can contact Mailkube for a tailored quote.
Summarized by DevHunt from mailkube.com · Nov 3, 2026. Details may change; check the official site.
