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SMTP Infrastructure

Email delivery infrastructure built for deliverability.

SMTP relay and dedicated sending infrastructure for transactional and application email.

Reliable email delivery depends on infrastructure, not just an API key. We manage the servers, IP reputation and authentication records behind your transactional and application email.

Use Cases

Application and transactional email.

Transactional Email

Password resets, receipts, notifications and account emails.

Application Email

Emails triggered directly from your software or platform.

Included

Built for deliverability, not just sending.

SMTP Relay

Drop-in relay for existing applications and platforms.

Dedicated Infrastructure

Isolated sending servers separate from shared pools.

Dedicated IP

Your own sending IP for consistent reputation.

SPF, DKIM & DMARC

Full authentication setup for deliverability and domain protection.

Reverse DNS

Proper PTR records configured for every sending IP.

Delivery Logs

Searchable logs for every message sent.

Bounce Handling

Automated bounce and complaint processing.

Monitoring

Reputation and delivery monitoring with alerting.

API

API access for sending and log retrieval.

How delivery works

From your application to the inbox.

01Your ApplicationTransactional trigger
02SMTP RelayQueued & throttled
03AuthenticationSPF, DKIM, DMARC
04DeliveryLogged & monitored

Responsible sending only.

SMTP infrastructure is provided for transactional and permission-based application email. We do not support unsolicited bulk messaging, cold-email spam, or abusive sending practices, and we do not offer SMS or newsletter broadcast services.

Pricing

Plans by sending volume.

Starter

Transactional email for small applications and websites.

$19/mo
  • VolumeUp to 25,000 emails/mo
  • Dedicated IPShared
  • Domains1
  • SMTP relay
  • SPF, DKIM, DMARC setup
  • Delivery logs
  • Email support
Most Popular

Growth

Application email at scale with reputation monitoring.

$49/mo
  • VolumeUp to 150,000 emails/mo
  • Dedicated IPOptional
  • DomainsUp to 5
  • SMTP relay + API
  • Bounce & complaint handling
  • Reputation monitoring
  • Priority support

Dedicated IP

Dedicated sending infrastructure for consistent deliverability.

$99/mo
  • VolumeUp to 500,000 emails/mo
  • Dedicated IPIncluded
  • DomainsUp to 15
  • Dedicated IP & reverse DNS
  • IP warm-up assistance
  • Advanced logs & webhooks
  • Priority support

Enterprise

High-volume senders needing custom infrastructure and SLAs.

Contact
  • Volume500,000+ emails/mo
  • Dedicated IPMultiple, custom pools
  • DomainsUnlimited
  • Custom sending infrastructure
  • Dedicated account engineer
  • Custom SLA

FAQ

Common questions.

Do you allow marketing email?

We support permission-based application and transactional email. We do not support unsolicited bulk or cold-email marketing.

Do you help with IP warm-up?

Yes, dedicated IP plans include warm-up guidance to protect sender reputation.

Can I use my own domain?

Yes, SPF, DKIM and DMARC are configured against your own sending domain(s).

Tell us what you need. We'll design the stack.

Every deployment starts with a short conversation about what you're running and where you're headed.

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