James W. Guthrie

Tumbleweed Communications Corp. provides security solutions for email protection, file transfers, and identity validation that allow organizations to safely conduct business over the Internet. The firm's products include secure transactions with identity validation, email, and file transfer. The company is headquartered in Redwood City, CA.

Tumbleweed Communications Corp. provides security solutions for email protection, file transfers, and identity validation that allow organizations to safely conduct business over the Internet. The firm's products include secure transactions with identity validation, email, and file transfer. The company is headquartered in Redwood City, CA.

Tumbleweed Communications Corp. provides security solutions for email protection, file transfers, and identity validation that allow organizations to safely conduct business over the Internet. The firm's products include secure transactions with identity validation, email, and file transfer. The company is headquartered in Redwood City, CA.

Tumbleweed Communications Corp. provides security solutions for email protection, file transfers, and identity validation that allow organizations to safely conduct business over the Internet. The firm's products include secure transactions with identity validation, email, and file transfer. The company is headquartered in Redwood City, CA.