Why developers use temporary email
When you're building or testing an application, every registration, verification and password-reset flow needs an email address that can actually receive mail. Reusing your personal inbox clutters it fast and can trip a service's one-account-per-email rules. A temporary email lets you spin up a clean address for each test run instead.
Because a fresh inbox is created instantly with no signup, you can generate as many throwaway addresses as your test matrix needs and immediately watch what your system delivers to them — from welcome emails to security codes.
Testing signup and verification flows
Point your staging or local build at a Tmail.pk address and trigger the account-creation journey. The confirmation email, magic link or verification code lands in the inbox in real time, so you can validate the full round-trip your users experience.
The same approach works for password resets, email-change confirmations and re-authentication challenges. Testing these paths against a disposable inbox keeps your own accounts untouched while you confirm links resolve and codes match.
Verifying OTP and 2FA delivery
One-time passcodes and email-based two-factor codes are easy to check with a temporary inbox: submit the address, then read the OTP straight from the message as it arrives. This is ideal for confirming that your transactional email actually reaches recipients and renders correctly.
Saving an inbox with its password means you can return to the exact same address across a longer QA session or a multi-day regression pass, keeping a paper trail of everything your app has sent.
Receive-only by design
Tmail.pk is strictly receive-only. You can receive any message your application sends — verification emails, OTPs, notifications — but you cannot send email from a Tmail.pk address, and there is no outbound API for dispatching mail. It is a destination for the messages your system produces, not a way to originate them.
For automation, treat inboxes as reliable receive endpoints: seed a test with a generated address, run your flow, and assert against the message that arrives. If your test suite needs to send email, keep using your own SMTP provider or a dedicated sending service for that half of the exchange.
How long do test inboxes last?
Save your email and password to return to the same inbox anytime. Active mailboxes are kept indefinitely; a mailbox is only removed if it goes 30 days with no login and no received mail. Registered accounts are kept permanently.
Frequently asked questions
- Can I use temporary email to test my app's signup flow?
- Yes. Generate an address, use it in your registration flow, and read the verification email or code as it arrives in real time.
- Can Tmail.pk send test emails or expose a sending API?
- No. Tmail.pk is receive-only with no outbound sending. You can receive the mail your application produces, but you cannot send email from it.
- Can I keep the same test inbox across a QA session?
- Yes. Save the inbox email and password, then log back in to return to the same address and every message it has received.
- Do I need an account to create developer test inboxes?
- No. Addresses are generated instantly with no registration. An optional free account lets you keep inboxes permanently and manage several at once.
- Is it suitable for OTP and 2FA delivery testing?
- Yes. It's well suited to verifying that one-time passcodes and email 2FA codes are delivered — simply read the code from the received message.
- How long are test inboxes retained?
- Save your email and password to return to the same inbox anytime. Active mailboxes are kept indefinitely; a mailbox is only removed if it goes 30 days with no login and no received mail. Registered accounts are kept permanently.