How to find the mail-header

Outlook Express 4-5
In the Inbox select the message you're interested in, select "Properties" from the "File" menu.
Click on "Details".
Copy all the information and paste it to a new mail.
Send the mail to postmaster@post.tele.dk

Outlook 97-98
Open the message you're interested in and go to "Options" in the "View" menu.
Copy all the information and paste it to a new mail.
Send the mail to postmaster@post.tele.dk

Netscape Messenger 4.7x
Open the message you're interested in, select "Headers" and then "All" in the "View" menu.
Copy all the information and paste it to a new mail.
Send the mail to postmaster@post.tele.dk

Eudora Light 3.x
Open the message you're interested in and click on the "Show all Headers" button.
Copy all the information and paste it to a new mail.
Send the mail to postmaster@post.tele.dk

Eudora Pro 4.x
Same as for Eudora Light, open the message you're interested in and click on the "Show all Headers" button.
Copy all the information and paste it to a new mail.
Send the mail to postmaster@post.tele.dk

Hotmail.com
Logon to your account.
Go to "Options" and open "Preferences". Scroll down to the "Message Headers" and select "Full"
Copy all the information and paste it to a new mail.
Send the mail to postmaster@post.tele.dk

Lotus Notes
In the Inbox select the message you're interested in, go to "Document Properties" in the "File" menu.
Select "Fields" and open "Additional Headers".
Copy all the information and paste it to a new mail.
Send the mail to postmaster@post.tele.dk