Bring Your Own Domain
Cloudflare DNS and MX setup guide
Free • No Signup • Instant
Privacy, Simplified.
Generate a free temporary email instantly and receive verification codes without exposing your real inbox.
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Domains
Public domain MX target
email.chatgpt.org.ukSubmit the root domain only. Subdomains such as mail.example.com are not accepted. After a public domain passes MX verification: submitted while signed out → API Key (20000 requests); submitted while signed in → 200 points. Each domain receives only one reward.
Authorize Cloudflare once to safely replace this domain's existing MX records with the single required target. GPTMail does not store the access token or modify other DNS record types. If Cloudflare Email Routing is enabled, disable it in Cloudflare before authorizing.
System checks MX records in real-time. Only correct records will be accepted.
GPTMail: a practical temporary email generator
GPTMail gives you a disposable inbox for verification codes, short registrations, and software testing without requiring an account or exposing your primary email.
Receive verification codes quickly
Create an address, use it for a low-risk signup, and watch the inbox for the code or confirmation link. Delivery still depends on the sender accepting the selected domain.
Disposable email, not temporary Gmail
GPTMail uses its available public and custom domains; it does not create gmail.com accounts. Keep a permanent address for purchases, important accounts, and recovery.
Compare disposable inboxes and Gmail aliasesBuilt for QA and automation
Developers can create inboxes through the API, read test messages, and automate verification flows without mixing test data into customer mailboxes.
Why Choose GPTMail?
Large Domain Pool
Choose from a large pool of active domains. New domains are added and inactive ones retired over time, so you have alternatives when a website rejects a particular domain.
Automatic Expiry
Messages are kept for up to 24 hours and then can no longer be accessed. Stored copies are cleaned up asynchronously.
Real-Time Inbox Push
Never miss a verification code. New emails are pushed into your inbox the moment they arrive, so codes and action links appear instantly without manual refresh.
Global Accessibility
Served from Cloudflare's global network for fast access wherever you are. The interface works on mobile and desktop and is available in about 100 languages.
Code & Link Extraction
GPTMail automatically pulls verification codes and the most likely action link from each email, so you can copy them directly from the inbox list with one click.
API Automation
Use the API with the free daily public key or a personal key to generate inboxes, read emails, and integrate temporary mail into scripts, CI pipelines, and testing tools.
GPTMail vs Others
Frequently Asked Questions
What is a temporary email?
A temporary email (also called a disposable or throwaway address) is a short-lived inbox you can use instead of your primary address to receive verification codes and sign-up emails, keeping spam and data leaks away from your real inbox. Public temporary inboxes are not private: anyone who knows the address can read them.
How long do emails last?
Messages are kept for up to 24 hours and then can no longer be accessed. Stored copies are cleaned up asynchronously.
Can I use my own domain?
Yes. Point your root domain's MX record to the target shown on the Domains page and submit the domain. Once the MX record is verified, the domain becomes a public domain that anyone on GPTMail can use, and you receive an API key. If only you should read the mail, sign in and add it as a private domain instead: it is linked to your account, and only you can open its inboxes.
Is it free?
Yes. Creating addresses and receiving mail on public domains is free and needs no account. GPTMail is funded by advertising and clearly labeled sponsorships. Developers can test with the free daily public API key or use a personal key with its own quota.
Common Use Cases?
QA and software testing, sign-ups for low-risk services and newsletters, receiving one-time codes (for example from X, Facebook, or Instagram), and keeping your primary inbox off marketing lists. Developers can also use the API for automated test workflows.
What is a temporary email generator?
A temporary email generator creates a short-lived inbox you can use without exposing your primary address. GPTMail creates the address immediately and keeps received messages for up to 24 hours.
Can a temp email receive verification codes?
Often, yes. Delivery depends on whether the sender accepts the selected domain. Use a public temporary inbox only for low-risk verification and testing, never for banking, purchases, or account recovery.
Are Mail GPT and GPT Mail official names for GPTMail?
No. GPTMail is this site's name. People sometimes use those spaced or reversed searches to find this free temporary email service. GPTMail provides disposable inboxes for low-risk verification and software testing; it is not an AI email writer and is not affiliated with OpenAI or ChatGPT.