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#1) When viewing the Security->Whitelist as the admin, you can't see the full IP address range (from-to). The solution is simple -- space out the columns better and give less room to POP, IMAP, etc. which only need enough space for a Yes or No.
#2) Add a new column to bypass spam filtering. Then you can remove this obscure check box in the Antispam Options tab:
This would give the admin more granular control of spam filtering and make SM more intuitive because the above check box is hidden.