Charlie said:

"Smartlist does not have capabilities out-of-the-box to permit "disable
mail" (receive suspension), "receive digests" (smartlist deals with digests
as seperate lists), or "receive copies of their own posts" (there is no way
for a subscriber NOT to receive copies of their own posts)."

In the .bin directory within the 'subscribe' script (lines #'s are according
to my distro):

90: NOT_METOO=""
91:
92: #$formail -k -xSubject: <$tmprequest |
93: # $grep 'no.*[^a-z]cop.*[^a-z]please' >/dev/null && NOT_METOO=" (-n)"
94:
95: $multigram -a "$subscraddr$NOT_METOO" dist >/dev/null
96:

119: # if $test -z "$NOT_METOO"
120: # then
121: $echo "By default, copies of your own submissions will be
returned."
122: # else
123: # $echo "As requested, copies of your own submissions will not be
returned."
124: # fi

Not sure what this means, but it could mean that this can be uncommented to
have no copy returned to sender, when sender has subscribed with 'no copy
please' included in the subject field, however why one would want to do
this, i am not entirely sure??