Bulk e-mailers are digitally signing unsolicited messages in hopes of bypassing popular filtering programs, but updated software has been modified to detect the trick, experts said this week. The ...

Some popular free Web services are playing both sides of the fence when it comes to protecting consumers from pesky marketers, offering to block junk e-mail while they help advertisers push promotions ...

We’re getting more spam, but we’re also becoming more receptive to e-mail from marketers we recognize and permit. That’s the top-line result of DoubleClick’s fifth annual Consumer E-mail Study, ...