How do I find and copy email headers from Gmail?

In Gmail, open the email you want to analyze. Click the three-dot menu in the top right corner and select 'Show original'. This displays the complete raw email headers including all Received, Authentication, and routing information. Copy the entire content and paste it into the Email Header Analyzer.

What does 'DKIM failed' in email headers mean?

A DKIM (DomainKeys Identified Mail) failure means the email's digital signature couldn't be verified by the receiving server. This can happen if the sending domain's DKIM record is misconfigured, the message was modified in transit, or the receiving server couldn't access the public key. It may cause emails to be flagged as spam or rejected entirely.

Can email headers tell me if an email is fake or spoofed?

Yes, email headers contain authentication information (SPF, DKIM, DMARC) that verify if the sender is legitimate. If these checks fail or show misaligned domains, the email may be spoofed. However, the visible 'From' address can still be forged, so always check the authentication headers and the actual server that sent the message using the Email Header Analyzer.

Why is my email taking so long to deliver?

Email delays are revealed in the Received headers, which show timestamps from each server. If there's a large time gap between two Received entries, that server held the message. Common causes include server queue backups, spam filtering delays, rate limiting, or authentication checks. The Email Header Analyzer helps pinpoint exactly which server caused the delay.

What is the Received header and why are there multiple ones?

Each Received header represents one mail server that processed your email. Multiple Received headers show the complete delivery path from sender to recipient. They appear in reverse chronological order, with the most recent server at the top. Each includes the server name, IP address, timestamp, and authentication status, allowing you to trace your email's exact journey.

Email Header Analyzer

Raw Email Headers

Paste raw email headers to analyze authentication, routing and email information.

How to Use Email Header Analyzer

When to Use Email Header Analyzer

🚀Need web hosting?

High-speed NVMe Hosting from 49,000đ/month — free SSL

View Hosting

Email Header Analyzer

How to Use Email Header Analyzer

When to Use Email Header Analyzer

Technical Information

Frequently Asked Questions