Update maildrop config.

.mailfilter

@@ -103,7 +103,7 @@ if (/^List-Id:.*weechat-!.*!\.nongnu\.org.*$/ || /^To:.*weechat-!.*!\.nongnu.org
         to $MAILDIR/.my.soft.weechat.ml.$MATCH2
 
 ### Sympa Stuff
-if (/^From:.*SYMPA/)
+if (/^From:.*SYMPA/ || /^To:.*sympa-request@.*$/)
 {
     to $MAILDIR/.sys.sympa
 }