How Do I View Email Headers?

RoundCube:

After selecting the message that you would like to see headers for:

• Click Details
• Click All Headers
• Alternatively, you can also select More and Show source
• You can now see the full email headers!

Horde:

After selecting the message that you would like to see headers for:

• Click Other Options (If you did not double click the message)
• Click View Source
• You can now see the full email headers!