Features

Everything euromail ships

Every feature below is included in the product today: sending, receiving, deliverability, audience, and compliance. Each page links to the technical guide.

Sending

  • Transactional email

    Single, batch, and broadcast sends over REST with idempotency keys and sandbox mode.

  • SMTP relay

    Authenticated submission on ports 587 and 465 for anything that speaks SMTP.

  • Scheduled sending

    A send_at timestamp up to 30 days out, cancellable with a quota refund.

  • Newsletters

    Compose and send to contact lists; opens, clicks, and unsubscribes measured per issue.

  • Templates

    MiniJinja rendering with variables, control flow, retained versions, and rollback.

Receiving

  • Inbound email

    MX-based receiving with pattern routes and HMAC-signed webhook delivery.

  • Agent mailboxes

    Lease/ack/nack message delivery for AI agents, at-least-once, FIFO, concurrent-safe.

Deliverability

  • Direct SMTP engine

    A from-scratch Rust MTA with direct MX delivery, MTA-STS, and connection pooling.

  • Domain verification

    Guided SPF/DKIM/DMARC setup with automatic 5-minute DNS re-checks.

  • IP warm-up

    Automatic 30-day, 6-tier ramp; overflow routes to warmed IPs so nothing drops.

  • Bounce & feedback loops

    VERP per-recipient bounce attribution and automatic ARF complaint processing.

  • Suppression lists

    Account-wide do-not-send list, checked on every send, with audited removals.

  • DMARC monitoring

    Aggregate-report ingestion with per-domain alignment dashboards, no separate vendor.

  • Email validation

    Five checks in one request: syntax, disposable, role, free provider, and MX.

  • Deliverability insights

    Weighted reputation score, Postmaster/SNDS integration, and automated findings.

Audience

  • Contact lists

    Subscriber management with double opt-in, metadata, and deduplicated welcome emails.

  • Signup forms

    Hosted embeds with double opt-in and timestamped consent records.

Compliance

  • EU data residency

    The whole stack in Hetzner Helsinki, no non-EU subprocessors, ever.

  • GDPR tooling

    Per-email DSAR export/erase endpoints, immutable audit log, automatic retention.

Platform

  • Sub-accounts

    Isolated child accounts with shared quota, for agencies and SaaS platforms.

  • Analytics

    Delivery metrics with timeseries, domain and tag breakdowns, and CSV export.

  • Webhooks

    HMAC-signed lifecycle events with a 5-step retry schedule and manual replay.