Filter Storage:
--------------
/etc/mail/spasm/filters/<user@domain>
	key: filter name
	value: 0,1,2,3
		0: Off
		1: Tag
		2: Quarantine
		3: Reject

		Some filters/options may use these or other integer settings for
		alternative purposes.

Whitelist Storage:
-----------------
/etc/mail/spasm/whitelists/<user@domain>
	key: IP address|Email address|domain
	value: 1

Blacklist Storage:
-----------------
/etc/mail/spasm/blacklists/<user@domain>
	key: IP address|Email address|domain
	value: 1
