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Hackers News

Keeping Knowledge Free

Authenticating e-mail can break it

The promise of e-mail authentication is too good to ignore, but if it is implemented incorrectly it will break a company's mail system instead of fixing it, experts have cautioned. "Deploy smart. Don't just do it," Erik Johnson, a secure messaging executive at Bank of America, said in a presentation at the Authentication Summit here Wednesday. "If you just do it, you may just break it." For the past two years, the technology industry has been advocating the use of systems to guarantee the identity of e-mail senders. It sees such authentication as key to the fight against spam and phishing, as it should help improve mail filters and make it harder for senders to forge their addresses. The industry also likes to advertise that these systems have practically no cost.

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