Normally, email headers are seldom seen with our e-mail applications such as web-mail, '''MS Outlook, ''' (webmail) or '''Thunderbird'''. There are way in order to view detailed header information for each email we send that provides information how the email message was sent, including the name of the program that is running as the Mail Transfer Agent and its IPADDR. Although these email headers may look complicated, they can trace the steps of sending the e-mail messages among the MTAs to gain a better understanding of the email transmission process.

[[Image:outlook-lite-mode.png|thumb|right|300px|If your MS outlook web application looks like above, then your MS Outlook application is using the '''lite version''', and you would have to switch versions (see below for procedure). ]]

[[Image:outlook-regular-mode.png|thumb|right|300px|If your MS outlook web application looks like above, then your MS Outlook application is using the '''standard version''', so you can skip the procedure to switch versions.]]

'''Switching Modes in MS OutlookWeb Application:'''

:If you are using web-mail to read your Seneca e-mail message, then your Mail User Agent is probably using the MS Outlook programweb application. In order to view mail header information in your MS Outlookweb application, you need to be in a particular "viewing-mode".

:This program can run in '''standard version''' or '''lite version'''. If your MS Outlook program web application is using the '''"lite version"''', then it should look similar to the left-most diagram on the right, and you should follow the procedure below to switch to '''"standard version"'''. If your MS Outlook program web application appears like the right-most diagram on the right, then your program is using the '''"standard version"''', which mean that you can skip the procedure to switch versions.

:<ol type="a"><li>Click '''options''' located at the top-right corner of the MS Outlook web application window (to the left of the '''Sign Out''')</li><li>Click '''Outlook''' Version on the left-side of the ''Options'' window.</li><li>Click to de-select the '''Use the light version''' (i.e. no check mark)</li><li>Click the Save button near the top of the Options window to save your settings.</li><li>Sign-out of your MS Outlook Session, and login again.<br><br>'''NOTE: If your MS Outlook application does not change versions, then close all of your web-browsers, and then log into your Seneca email account.'''<br><br></li></ol>

=== Resetting MS Outlook Web Application to Lite Mode (If Required) ===