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Officially verified details
Omnivery

Security-first transactional email: SMTP relay and REST API for password resets, receipts, 2FA and notifications. 100% owned infrastructure, strict sender vetting, human deliverability, ISO 27001/27701/HIPAA, native SendGrid/Mailgun compatibility.

5.0
(2 reviews)
Pricing:
  • Paid
Platforms:
  • REST API
  • SMTP
  • Web
  • Webhooks
Omnivery

Omnivery Reviews and Details

This page is designed to help you find out whether Omnivery is good and if it is the right choice for you.

Screenshots and images

  • Omnivery Dashboard
    Dashboard //
    2026-07-10

Features & Specs

  1. API

    SMTP relay and REST API with full feature parity between them

  2. API

    Native compatibility with SendGrid v3, Mailgun v3, SparkPost v1 โ€” one-click migration (suppression lists, bounces, unsubscribes)

  3. Infrastructure

    100% owned infrastructure โ€” no third-party cloud provider

  4. Compliance

    Strict sender vetting: every customer and sending domain reviewed; no free plans; clean shared-IP neighbourhood

  5. Deliverability

    Proactive human deliverability analysts (24/7 monitoring, reachable by phone) โ€” not automated alerts

  6. Bot Detection

    Bot Detection API: identifies security-scanner clicks, Apple MPP opens, and botnet fraud (20+ datasets, 8+ years)

  7. Security

    Phishing protection (blocks unauthorised links, alerts your security team) and email journaling (litigation archive)

  8. Privacy

    Never stores message content; metadata retained max 30 days; optional strict-privacy mode anonymises metadata

  9. Data Residency

    EU data residency (EU parent, Czech Republic); US infrastructure available for US-based customers

  10. Features

    Webhooks, templates, email validation, batch sending

  11. Certifications

    ISO 9001, 20000, 22301, 27001, 27017, 27018, 27701 and HIPAA certified

  12. Membership

    Certified Senders Alliance, Signal Spam, M3AAWG

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Questions & Answers

As answered by people managing Omnivery.
  1. Who are some of the biggest customers of Omnivery?

    • Kiwi.com
    • Notino
    • ฤŒSOB
    • Beehiiv
    • Rouvy
    • TrueML
    • TV Nova
    • TV Markรญza
    • Ohne-Makler
    • Upland (Adestra)
    • Cruxo
  2. Why should a person choose Omnivery over its competitors?

    Omnivery closes the gaps the major providers leave. Against SendGrid, Mailgun, and Amazon SES you get 100% owned infrastructure (no third-party cloud), the ISO 27001 / 27701 / HIPAA trio, native bot detection, and deliverability run by senior human analysts rather than automated alerts โ€” a combination none of them offer together. Migration is low-risk: the REST API is natively compatible with SendGrid v3, Mailgun v3, and SparkPost v1, so most integrations move with a credential swap, and one-click migration carries over suppression lists, bounces, and unsubscribes. Kiwi switched in 45 minutes and saw a 17% click-rate improvement. And with data residency available in both the EU and US, teams with regional compliance requirements are covered either way.

  3. Which are the primary technologies used for building Omnivery?

    Omnivery runs entirely on its own infrastructure โ€” no third-party cloud provider โ€” built security-first with support for multiple geographic data-storage regions. Sending is delivered through a high-performance mail transfer agent exposed as both an SMTP relay and a REST API that is natively compatible with the SendGrid v3, Mailgun v3, and SparkPost v1 schemas, with real-time webhooks for delivery events. The Bot Detection API is powered by 20+ proprietary datasets built over 8+ years, combining IP reputation, user-agent analysis, behavioural pattern matching, and honeypot data.

  4. What's the story behind Omnivery?

    Omnivery grew out of Mailkit, an email platform founded in the Czech Republic in 2006 that became known for deliverability โ€” "the ones who know how to deliver." Over the years, customers kept asking to use that sending infrastructure directly as an SMTP and API service. Founder and CEO Jakub Olexa saw that most sending services shared the same weakness โ€” loose abuse controls and weak privacy enforcement dragging down everyone's reputation and deliverability โ€” so Omnivery was built on the opposite principle: strict sender vetting, no free plans, owned infrastructure, and compliance first. The company was founded in 2021 and the platform launched in May 2022, carrying 18+ years of deliverability heritage.

  5. What makes Omnivery unique?

    Omnivery is a transactional email platform that runs on 100% owned infrastructure โ€” no third-party cloud โ€” and admits only vetted senders, so every customer sends from a clean IP neighbourhood rather than a shared pool full of unknown accounts. Three things set it apart from SendGrid, Mailgun, and Amazon SES: it is certified to ISO 27001, ISO 27701, and HIPAA together (a combination no other major transactional provider holds), it never stores message content, and it includes a Bot Detection API that flags security-scanner clicks, Apple MPP opens, and botnet fraud. Deliverability is handled by senior human analysts who reach out before problems become incidents โ€” not by automated alerts.

  6. How would you describe the primary audience of Omnivery?

    Omnivery is built for teams that treat email as mission-critical infrastructure and can't afford a password reset, 2FA code, receipt, or booking confirmation to arrive late or land in spam. In practice that means SaaS and product teams, e-commerce and marketplaces, travel and booking platforms, and regulated industries โ€” financial services, insurance, and healthcare (Omnivery is HIPAA-certified, with BAAs available). It's a particularly strong fit for regulated and privacy-sensitive teams that need compliance enforced at the infrastructure level โ€” with data residency available in the EU or US โ€” and for utilities, banks, and public-sector bodies running legacy systems that can send via SMTP but can't be rebuilt around a REST API.

Videos

Jakub Olexa, Founder and CEO of Mailkit and Omnivery, discusses Non-Human Interactions (NHI) in e...

Battle of the Bots with Mariska Calabrese, beehiiv & Jakub Alexa, Omnivery

Reviews

  1. User avatar
    Kazimir Krysta
    ยท CTO & Partner at Webscale ยท
     
    State of the art service

    As an email marketing agency we've been using Omnivery for our clients for several years now and their proactive support never case to amaze us. We're sending through Omnivery apprx. 250 mio. emails / year. Excellent service in every way, highly recommended

    Competitors: Bird, Mailgun, Twilio
    Pros:    High email deliverability|Excellent support|Secure and easy to use|Bot detection
  2. User avatar
    Raja Datta
    ยท Senior Manager, Channel Operations at TrueML ยท
     
    Wonderful ESP with so much value

    I've been using Omnivery for a little over a year now, and the platform has continued to evolve in ways that have helped take our email program to the next level. One of the biggest differentiators is its ability to identify and report true human clicks while filtering out bot activityโ€”something I haven't seen by other providers.

    Beyond the technology, the partnership has been outstanding. Whenever we've needed enhancements or had new ideas, the Omnivery team has been open to feedback, collaborative, and quick to work with us on solutions. Having an additional set of experienced eyes reviewing our program week after week has been incredibly valuable.

    I truly appreciate the partnership and look forward to continuing to work with Omnivery for years to come.

    Competitors: Sparkpost, netcore

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Is Omnivery good? This is an informative page that will help you find out. Moreover, you can review and discuss Omnivery here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.