People who confirmed a relationship with an existing user but did not go on to register with the site continued to receive occasional email updates and solicitations.

These messages included references to Register.com, which led many consumers to believe the advertisements were actually from Register.com, including those who had opted not to receive solicitations.

Those consumers should receive solicitations for the card sometime this summer, said Diana Don, Capital One's director of consumer education.

Even before it was ranked on Inc. magazine's list of the 500 fastest-growing private companies last year, Fiber Options received solicitations at least once a month.

If the system is opt-in, then marketers have to be able to show that consumers have given their consent to receive solicitations.

Register with FedConnect to view current business opportunities, receive solicitations, and submit proposals.

The complaints come from members of the public who have received solicitations that they considered questionable.

Because cellular telephone customers pay for both incoming and outgoing calls, those who receive unwanted solicitations have to pay for the message.

After placing the winning bid, the buyer requested anonymity for fear of receiving future solicitations.

Ms. Loewenstein has already received solicitations from Barnard's alumnae fund at the e-mail address she must relinquish.