SendPigeon vs MailHog

MailHog is a popular open-source email testing tool for local development. SendPigeon CLI offers similar local SMTP capture, plus a seamless path from development to production.

Feature Comparison

FeatureSendPigeonMailHog
Local SMTP server

SendPigeon on port 4125, MailHog on port 1025.

Web UI to view emails

SendPigeon at localhost:4100, MailHog at localhost:8025.

No install required

SendPigeon runs via npx. MailHog requires brew, docker, or binary download.

Recent updates (2024+)

MailHog's last release was 2020. Still works well for many use cases.

Works offline
API for captured emails

MailHog has both UI and API to retrieve emails programmatically.

Works with any language

Point any SMTP client to localhost and emails are captured.

Path to production

SendPigeon: same SDK for dev and production, just change env var. MailHog is local-only.

SDK auto-routing

Set SENDPIGEON_DEV=true and the SDK routes to localhost automatically.

Cloud email sandbox

SendPigeon test keys capture emails in dashboard for CI/staging. MailHog is local-only.

Chaos Monkey (Jim)

MailHog includes Jim for simulating failures. SendPigeon does not.

SMTP AUTH support

MailHog supports SMTP authentication. SendPigeon dev server does not require it.

Pricing Comparison

SendPigeon

CLI Dev ServerUnlimited emails
Free
Free (Cloud)1,000 emails
$0/mo
Starter10,000 emails
$7/mo

All plans include multiple domains. No per-email fees.

MailHog

Open SourceUnlimited emails
Free

View MailHog pricing

Which Should You Choose?

Choose SendPigeon if...

  • You want zero-install local email testing (just npx)
  • You want to use the same SDK from dev to production
  • You need cloud-based email capture for CI/staging
  • You're starting a new project and want integrated tooling

Choose MailHog if...

  • You need SMTP AUTH for testing authentication flows
  • You want the Chaos Monkey (Jim) for failure simulation
  • You have existing MailHog integrations you don't want to change
  • You prefer Go binaries over npx/Node.js

Ready to try SendPigeon?

Start with a 14-day free trial. No commitment.