In an e-mail exchange with then-incoming Secretary of State Hillary Clinton, former Secretary of State Colin Powell warned that she would find State Department Diplomatic Security DS "driving you crazy if you let them."

The e-mail, released yesterday by Rep. Elijah Cummings D-Maryland , ranking minority member of the House Oversight and Government Reform Committee, warned Clinton about the risks of using a personal mobile device in her job—but also detailed how Powell had flaunted security rules set by the State Department and NSA in his own daily use of mobile devices.

Powell explained that he had used a dial-up connection as previously reported, this was a personal AOL account to send e-mails "so I could communicate with a wide range of friends directly without it going through the State Department servers.

I even used it to do business with some foreign leaders and some of the senior folks in the Department on their personal e-mail accounts.

The private e-mail account used by Powell pre-dated the State Department's own external unclassified e-mail capability.

However, Powell flaunted rules on the use of personal devices in secure spaces at the State Department—such as the Office of the Secretary of State suite in "Mahogany Row," a Sensitive Compartmented Information Facility SCIF —by using a personal digital assistant PDA , he told Clinton.

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