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How to view email headers in webmail and web clients

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Introduction

This guide is for users who need to view email headers in Webmail and web clients. Email headers provide essential information for troubleshooting issues such as spam, delivery delays, or authentication failures. The guide will show you how to view these headers in Webmail (Roundcube) and other web clients. It is useful when diagnosing email-related problems or tracking the source of an email. Follow these steps if you need to extract detailed email metadata.

 

Prerequisites

  • Access to Webmail or the web client you’re using.
  • An email account with emails that require header viewing.
  • Basic familiarity with navigating Webmail interfaces.

 

Step-by-Step Guide

The following steps provide instructions for viewing email headers in three different interfaces:

  • Outlook Web Client
  • Webmail/Squirrelmail
  • Apple Mail

Each section below offers specific guidance on how to access and view email headers, which can be useful for troubleshooting or identifying spam emails.

Outlook web client's

View Outlook web client’s email header

  1. First, login to your email account.
  2. Choose the email which you want to view the header.
  3. After you choose the email you wanted to view the header on the right side “Three Dot“.
  4. Choose the option “view” and got to “message source“.
  5. Below is the email header.

 

Webmail/Squirrelmail

View Webmail/Squirrelmail email header

  1. First, go to webmail or Roundcube account.
  2. Choose the email which you want to view the email header, click at “More” button then click “Show source”. After you click on “Show source” you will see the full email header of that particular email.


 

Applemail

View Applemail header mail

  1. Open Apple Mail, then double-click on the message to open it.
  2. From that opened message window, go to View menu, select Message and choose All Headers:
  3. Now, you will see the full email header for the email.

 

 

Conclusion

Viewing email headers in Webmail and web clients is an essential skill for troubleshooting email-related issues. By following the steps above, you can easily access and analyze the full email header information to better understand the routing, authentication, and delivery status of your emails.

For additional assistance or if you encounter any issues, please contact our support team at support@ipserverone.com.