CHOOSE SMTPBOX WHEN
A hosted team sandbox is the priority.
Developers who want a familiar inbox UI alongside an API their automated tests can use.
View SMTPBox pricing →API-FIRST EMAIL TESTING
SMTPBox vs MailSlurp
SMTPBox vs MailSlurp: straightforward sandboxes for real teams.
Both services support automated email testing. SMTPBox combines SMTP, a REST API, team workspaces and a simple monthly allowance.
SIDE BY SIDE
Choose the setup that fits.
| Area | SMTPBox | MailSlurp |
|---|---|---|
| Permanent free plan | Yes | Check current plan |
| Free sandbox allowance | 2,500 emails / month | Check current plan |
| Multiple free team members | Yes | Check current plan |
| SMTP and REST API | Included | Check current documentation |
| Paid pricing model | One £14.99 plan | Check current pricing |
| Hosting | Fully hosted | Check current service details |
Competitor features and limits can change. Check the provider's current details before deciding.
CHOOSE MAILSLURP WHEN
The alternative better matches your workflow.
MailSlurp may suit workflows built around its usage-based product and feature set.
TRY SMTPBOX FREE
Catch test emails, not customers.
Start with 2,500 sandbox emails each month and no credit card.
Start testing free →