Go to BWA (bwa.dartmouth.edu)
In the top-right corner of the screen, click the gear icon, and then click Mail under My app settings.
On the left side of the screen, check the MAIL option:
If it is not already expanded, click the arrow to the left of the word MAIL.
Expand the Automatic processing option if it is not already expanded.
Click Clutter:
If Clutter is enabled, the option Separate items identified as clutter is selected.
If Clutter is disabled, the option Don’t separate items identified as clutter is selected.
To enable or disable Clutter, select the appropriate option.
Click Save.