How’s your volume of spam these days? Probably rather large:

email messages delivered to large enterprises in November were spam, according to the latest stats from Proofpoint. The Sunnyvale, Calif.-based data security company released its Proofpoint Spam Index and found that while overall spam levels dropped slightly (from 89% in October to 88% in November), large companies were still receiving an extremely high volume of spam–with an upsurge in attachment-based spam of almost every kind.