hub · testing
Email testing and dev tools
Local SMTP catchers and staging inboxes that capture outgoing email so it never reaches a real recipient. Use them in dev, staging, and CI.
Local SMTP catchers and staging inboxes for development.
ranking
Best email testing tools
Local SMTP catchers and staging inboxes for safe development.
Full ranking →- 01
Mailpit
TestingModern, actively maintained, drop-in for MailHog.
- 02
Mailtrap
Transactional TestingHosted staging inbox with team collaboration.
- 03
Ethereal Email
TestingThrowaway accounts via API. Perfect for CI.
- 04
MailDev
TestingSolid for Node-only stacks.
- 05
MailCatcher
TestingFamiliar in Rails projects; slower development pace.
all providers in this category
Directory (6)
Mailtrap
Transactional Testing
Originally a staging inbox, now a sender too.
free tier
4,000/mo (sending), free testing tier
starts at
$10/mo for 10,000 testing or sending
Mailpit
Testing
Modern local SMTP catcher.
free tier
Free, MIT-licensed
starts at
Free
MailHog
Testing
Classic local SMTP catcher (unmaintained since 2020).
free tier
Free, MIT-licensed
starts at
Free
MailCatcher
Testing
Tiny Ruby-based local SMTP catcher.
free tier
Free, MIT-licensed
starts at
Free
MailDev
Testing
Node-based local SMTP catcher.
free tier
Free
starts at
Free
Ethereal Email
Testing
Throwaway SMTP accounts on demand.
free tier
Free
starts at
Free