Being able to check the raw headers of an email can be incredibly useful when troubleshooting. Headers bely all sorts of details about a messages’ security, composition, and even the journey it takes from point A to point B.

Our Support agents may sometimes ask you to give us the raw source or headers of an email to help them solve email issues, below are a few methods for for obtaining headers in some popular mail clients.

Gmail :

Thunderbird :

Outlook:

Yahoo:

Sadly, Yahoo does not offer an option in their web tool to view the headers from received messages.