Omnivery is a security-first transactional email platform for teams whose password resets, 2FA codes, receipts, and confirmations have to arrive — in the inbox, on time. It provides both an SMTP relay and a REST API natively compatible with the SendGrid v3, Mailgun v3, and SparkPost v1 schemas, so most integrations migrate with no code changes. Its foundations are unusual for the category. Omnivery runs on 100% owned infrastructure — no third-party cloud — and enforces strict sender vetting: every customer and every sending domain is reviewed before activation, there are no free plans, and the result is a clean shared-IP neighbourhood that outperforms dedicated IPs for most senders. Deliverability is handled by senior human analysts who contact you before issues become incidents, not by automated alerts. On compliance, Omnivery is certified to ISO 27001, ISO 27701, and HIPAA — a combination unique among transactional providers — never stores message content, and is operated by an EU company. Native security features include phishing protection, email journaling for litigation defence, and a Bot Detection API that identifies non-human interactions (used by Beehiiv to prevent $2M+/month in ad fraud). Heritage: 18+ years of deliverability expertise originating with Mailkit (2006, Czech Republic).