Staxly

Postmark vs PocketBase

Reliable transactional email with fast delivery
vs. Open-source backend in a single Go binary

Postmark websitePocketBase (OSS)

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
Postmark website

PocketBase

Self-Hosted
MIT-licensed single binary. Run on any VPS / Docker / bare metal. No usage caps — only limited by your server.
$0 base (usage-based)
PocketBase (OSS)

Free-tier quotas head-to-head

Comparing free on Postmark vs self-hosted on PocketBase.

MetricPostmarkPocketBase
No overlapping quota metrics for these tiers.

Features

Postmark · 12 features

  • Activity SearchFull-text search over sent messages for 45-365 days.
  • Bounce HandlingAutomatic hard/soft bounce detection + suppression management.
  • Broadcast MessagesVia separate Broadcast Message Stream. Bulk sends with throttling.
  • DKIM + SPFOne-click verification + auto-renewal of DKIM keys.
  • Inbound EmailRoute inbound emails to your webhook. Parse attachments, threads.
  • Message StreamsIsolate transactional from marketing for separate deliverability reputation.
  • Open + Click TrackingConfigurable at template or send level.
  • Raw API Access100+ endpoints for bounces, servers, tags, templates, stats.
  • ServersMulti-tenant isolation: each "server" has its own API token + reputation.
  • TemplatesMustachio template language with variables, alias + versioning.
  • Transactional SendReliable API for password resets, receipts, notifications. Sub-10s delivery.
  • Webhook EventsDelivery, bounce, spam complaint, open, click, subscription change.

PocketBase · 12 features

  • Access RulesRecord-level access rules (filter expressions) referencing @request and @collect
  • Admin DashboardBuilt-in web UI for schema + data management.
  • AuthEmail+password, OAuth2 (Google, GitHub, Facebook, Apple, Discord, Microsoft, etc
  • BackupsBuilt-in backup/restore with S3 upload option.
  • Built-in MailerSMTP integration for verification, password reset, magic link emails.
  • CollectionsSchema-defined record types with fields, validations, and record/admin/auth acce
  • Embedded JS EngineJavaScript VM (goja) lets you write hooks in JS without recompiling.
  • Extend as Go LibraryEmbed PocketBase in a larger Go app, add custom routes and events.
  • File StorageLocal filesystem or S3-compatible storage with access rules.
  • HooksServer-side Go or JavaScript hooks that run on CRUD events (OnRecordBeforeCreate
  • MigrationsJS/Go migration scripts applied on startup.
  • Realtime SubscriptionsSSE-based subscriptions to collection changes.

Developer interfaces

KindPostmarkPocketBase
SDKpostmark-dotnet, postmarker (Python), postmark-go, postmark (Node), postmark-php, postmark-railsGo API (extend as library), pocketbase (Dart), pocketbase (JS SDK)
RESTPostmark REST APIREST API
OTHERInbound Email, SMTP Relay, WebhooksAdmin Dashboard, Realtime SSE
Staxly is an independent catalog of developer platforms. Some links to Postmark and PocketBase may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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