EFax.com

There are 2 million e-mail subscriber on eFax.com, a new list from MeritDirect. EFax delivers faxing and other communications services to customers over their e-mail accounts. Approximately 82% of the list is male, with a median age of 34, and who uses eFax for business 85% of the time.

Cost: $300/M

Selections: Paid subscribers, sex, age, days per month traveling on business, personalization, operating system, recency, zip

Contact: MeritDirect, 203-541-2331