How to view full email headers
Find the full headers in Gmail, Outlook, Apple Mail and Thunderbird, and what to do with them.
Guides
Short, practical how-tos for the questions people actually search: where the headers are, what DMARC fail means, how to report a scam.
Find the full headers in Gmail, Outlook, Apple Mail and Thunderbird, and what to do with them.
Export a message with its headers and attachments from Gmail, Outlook, Apple Mail and Thunderbird.
Why a message fails authentication, why forwarded mail often does, and when a fail points to spoofing.
A practical checklist: sender, Reply-To, links, urgency, attachments, lookalike domains, and when to escalate.
Report phishing in Gmail and Outlook, to the impersonated brand, to CERT Polska, and to national agencies abroad.
Steps to take right now if you opened a link, entered a password or opened an attachment.
Next step
Paste its source or upload the .eml or .msg file. AntiBait checks SPF, DKIM, DMARC, links and attachments and explains the verdict.