Evolution automatically displays photographs of the sender of an email at the right side of the message header if the sender already embedded a photograph in the message.

You can also manually enable displaying the photograph of the sender of an email if the sender is in one of your address books and has a photograph stored.

To enable this functionality, select EditPreferencesMail PreferencesHeadersShow the photograph of sender in the message preview.

If there are multiple matches for a contact, the first one is always used.