This tool will make email headers human readable by parsing them according to RFC 822. Email headers are present on every email you receive via the Internet and can provide valuable diagnostic …

Insert the message header you would like to analyze Analyze headers

Use our email header analyzer to make email headers human readable by parsing them according to RFC 822. Paste the email source code and locate the sender's IP, its location, latitudes, and …

Copy the complete email header from your email client and paste it into the analyzer. Our system processes the header, checking authentication, IP reputation, and routing information. Get a detailed …

This SMTP header tool works for an email header extracted from any email client, including Gmail and Outlook. Use it to determine where a malicious or unsafe message is coming from so you can …

What can this tool tell from email headers ? Identify delivery delays. Identify approximate source of delay. Identify who may be responsible. This site uses cookies from Google to deliver its services …

This tool examines email headers to help determine if an email is legitimate or potentially malicious. It checks authentication protocols (SPF, DKIM, DMARC) and looks for suspicious patterns. How to …

Paste full email headers to analyze SPF, DKIM, and DMARC authentication, routing hops, sender IPs, and DNS traces. MailTested helps decode complex email headers instantly.

Use our Email Header Analyzer to inspect and analyze email headers from any email. Quickly check sender details, IP addresses, SPF, DKIM, DMARC records, and detect spoofing or phishing attempts.

Analyse your email message headers in human-readable format and check authentication and other records to improve deliverability.