Postmark vs Lemon Squeezy
Reliable transactional email with fast delivery
vs. Merchant of record for digital products and SaaS
Pricing tiers
Postmark
Free
100 emails/month forever. No credit card. Side projects and testing.
Free
Basic — 10k
10,000 emails/month. Overage $1.80/1k. Unlimited emails/day.
$15/mo
Pro — 10k
10,000 emails/month. Overage $1.30/1k. Inbound email + message streams.
$17/mo
Platform — 10k
10,000 emails/month. Overage $1.20/1k. Team collab, more domains.
$18/mo
Enterprise (>1.5M)
Custom for senders exceeding 1.5M/month.
Custom
Lemon Squeezy
Pay-as-you-go
No monthly fees. 5% + 50¢ per transaction. Includes tax handling.
$0 base (usage-based)
Free-tier quotas head-to-head
Comparing free on Postmark vs payg on Lemon Squeezy.
| Metric | Postmark | Lemon Squeezy |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Postmark · 12 features
- Activity Search — Full-text search over sent messages for 45-365 days.
- Bounce Handling — Automatic hard/soft bounce detection + suppression management.
- Broadcast Messages — Via separate Broadcast Message Stream. Bulk sends with throttling.
- DKIM + SPF — One-click verification + auto-renewal of DKIM keys.
- Inbound Email — Route inbound emails to your webhook. Parse attachments, threads.
- Message Streams — Isolate transactional from marketing for separate deliverability reputation.
- Open + Click Tracking — Configurable at template or send level.
- Raw API Access — 100+ endpoints for bounces, servers, tags, templates, stats.
- Servers — Multi-tenant isolation: each "server" has its own API token + reputation.
- Templates — Mustachio template language with variables, alias + versioning.
- Transactional Send — Reliable API for password resets, receipts, notifications. Sub-10s delivery.
- Webhook Events — Delivery, bounce, spam complaint, open, click, subscription change.
Lemon Squeezy · 12 features
- Abandoned Cart Recovery — Email retry campaigns (+5% fee on recovered).
- Affiliate Program — Built-in affiliate/referral program with payouts.
- Custom Checkout Domain — Checkout at checkout.yourbrand.com.
- Customer Portal — Self-service subscription + invoice management UI.
- Discounts / Coupons — Percentage / fixed / trial discount codes.
- Global Tax (included) — Automatic VAT/GST/sales tax calc + remittance. LS files taxes on your behalf.
- Hosted Checkout — Hosted + embeddable checkout. Customize color + logo.
- License Keys — Generate + validate license keys for software sales.
- One-off Sales — Digital products with license keys, file delivery.
- Reports & Analytics — Revenue, MRR, churn, LTV.
- Subscriptions — Recurring billing with trials, proration, discounts.
- Webhooks — Standard resource events (order_created, subscription_created/updated/cancelled,…
Developer interfaces
| Kind | Postmark | Lemon Squeezy |
|---|---|---|
| SDK | postmark-dotnet, postmarker (Python), postmark-go, postmark (Node), postmark-php, postmark-rails | @lemonsqueezy/lemonsqueezy.js |
| REST | Postmark REST API | Lemon Squeezy REST API |
| OTHER | Inbound Email, SMTP Relay, Webhooks | Webhooks |
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