Compare / Amazon SES

Amazon SES alternative: Irisend vs Amazon SES

This isn't really Irisend vs a rival API vendor — Irisend's managed sending runs on SES today. The comparison is sticker price versus the engineering you'd do yourself to get a Resend-shaped API, event webhooks, idempotency and DMARC monitoring on top of raw SES.

Facts below are sourced from AWS's own SES pricing and API reference pages, fetched 3 November 2026.

Information checked on ; see sources at the bottom of this page. Facts come from Amazon SES's own pricing and docs pages, recorded in docs/research/2026-11-03-competitor-comparison.md.

Feature by feature

FeatureIrisendAmazon SES
Starting priceFree today (early access, 10,000 emails/mo cap, no credit card) · listed launch price from €20/moÀ la carte: $0.10/1,000 emails, no monthly minimum. Essentials plan: $0.16/1,000 (0–10M/mo), no fixed fee.
Price at 100,000 emails/mo (listed)€35/mo listed launch price (Pro plan, 100,000 emails/mo) — not yet billed; every team sends free during early access≈$10/mo à la carte, or ≈$16/mo on the Essentials plan (100,000 × $0.10 or $0.16 per 1,000)Raw SES sending cost only — excludes the engineering time to build a REST API, webhooks, idempotency, suppression handling and DMARC monitoring on top of it, and excludes production-access approval, which SES requires before sending beyond the sandbox.
Free tier3,000 emails/mo, 100/day cap, no overage, once the listed plans take effectNo SES-specific free tier; new AWS accounts get a general $200 AWS Free Tier credit across all eligible services, not SES-specific, for 6 months
SMTP relaysmtp.irisend.com, ports 465 (implicit TLS) / 587 (STARTTLS)SMTP interface available, billed the same as API sends
Idempotency key on sendIdempotency-Key header, 24h, checked against the request body (409 on a changed replay)The SendEmail (API v2) request body documents no idempotency token or header — a retry is a new send
Webhook signingStandard Webhooks / Svix-compatible HMAC (byte-compatible with existing svix verifiers)Events are published via SNS/EventBridge/Firehose/CloudWatch with AWS-native message signing, not a vendor webhook HMAC the way Resend/Irisend sign
Sending regionsus-east-1, eu-west-1, sa-east-1, ap-northeast-1 — selectable per domainAny AWS region, fully under your own AWS account and contract
Dedicated IPsNot offeredAvailable à la carte from $24.95/mo/IP (standard), or $15/mo/account + per-email fee (managed); included from the Pro plan
Self-host on your own AWSNo — all sending runs on Irisend's own managed AWS SES; no bring-your-own-AWS option ships todayThis is SES itself — it's always "self-hosted" in your own AWS account by definition
DMARC monitoringBuilt in: pass-rate summary, source breakdown, raw aggregate reports per domainNo built-in DMARC reporting/monitoring product in SES itself
Sub-accounts / multi-tenantBuilt in: Connect sub-accounts with an embeddable React domain-verification widget"Tenants" feature isolates identities/config/reputation within one SES account — included on Enterprise, add-on elsewhere ($0.005/month/tenant à la carte)
SOC 2 Type II (own audit)Not yet — publicly stated as a roadmap item, not claimedInherited from AWS's platform-wide compliance program, not independently verified on the SES pricing page itself

What Irisend does that Amazon SES doesn't

  • A Resend-shaped API on day one, no AWS account required

    Managed Irisend sending needs no AWS account, no sandbox-to-production approval request, and no DNS/DKIM engineering — createDomainSchema + a verify call and you're sending. Raw SES requires all of that yourself first.

  • A documented idempotency contract SES doesn't have

    The SES v2 SendEmail request body has no idempotency field at all — Irisend's 24-hour Idempotency-Key, including the distinct 409 for a changed-body replay, is layered on top for exactly this gap.

  • DMARC monitoring and a full event timeline out of the box

    Per-domain DMARC pass-rate/source/report endpoints and a single recordEmailEvent choke point producing a consistent per-email event timeline — SES gives you raw SNS notification types, not a monitored, queryable timeline.

Where Amazon SES is honestly stronger

  • The lowest possible floor price

    À la carte SES at $0.10/1,000 emails with no monthly minimum is cheaper per email than any managed provider in this comparison, including Irisend — if you're willing to build and operate everything on top of it yourself.

  • Any AWS region, no vendor gate — and a real bring-your-own-AWS option

    SES runs in every AWS region AWS offers, directly in your own AWS account and contract. Irisend's sending runs only on Irisend's own managed AWS SES infrastructure today — there is no bring-your-own-AWS or self-hosted option yet.

  • AWS's platform-wide compliance program

    SES inherits AWS's broad SOC/ISO/compliance posture as part of the general AWS platform — a scale of audited infrastructure no single email-API startup, including Irisend, operates independently.

Verdict

Raw SES is the cheapest way to send email and, by definition, the only self-hosted option in this comparison — at the cost of building the API, webhooks, idempotency, DMARC monitoring and DKIM/SPF setup yourself first. Irisend's pitch is to remove that build step: a Resend-shaped API, signed webhooks, a documented idempotency contract and DMARC monitoring, running on managed AWS SES, without you touching AWS at all.

Frequently asked questions

Related guides

Next

Read the full API reference, the Resend migration guide, or see pricing.

Sources (checked 3 November 2026)

Amazon SES is a trademark of its respective owner. Irisend is not affiliated with, endorsed by, or sponsored by Amazon SES. Spotted an inaccuracy? [email protected].