People are starting to use e-mail less because of spam, a study finds, though some click on unsolicited messages.

The most annoying spam purported to pass on to people free passwords for sex sites that usually levy a charge to look beyond the front page.

Antivirus company Trend Micro is jumping into the antispam fray, unveiling new software it hopes will help information technology managers protect their workers from an increasing barrage of unwanted messages.

AT&T WorldNet this week activated a risky spam-filtering technique that it shortly had to defuse after subscribers discovered they were losing legitimate e-mail.

A group of e-mail marketers on Tuesday set up an Internet forum for people to air grievances about spam filters--which can swallow legitimate messages along with the targeted commercial come-ons.

Microsoft is turning up the heat on spam, filing a lawsuit to go after people it suspects of having harvested e-mail addresses from its Hotmail servers to spam subscribers.

Microsoft's MSN said its e-mail services had blocked some incoming messages from rival Internet service providers earlier this week, after their networks were mistakenly banned as sources of junk mail.

Lewd e-mail promoting pornography may soon pose more than just a technical challenge in the ongoing fight against spam--experts say it's set to become an acute legal problem, too.

An Australian entrepreneur has created what may be the first antispam service that lets its users charge for the privilege of sending them e-mail.

Antispam company Habeas is suing bulk e-mailers, accusing them of using its poetry without permission in an unusual use of trademark law to clamp down on spammers.