In this way the junk mail gets a net address that looks legitimate.
Mr Hogan said 90% of the junk mail filtered by Symantec subsidiary Brightmail was spotted using techniques that did not rely on looking at net addresses.
Warren called me last week to ask me if I was going to go to the demo and I didn't even know about it because I threw away the invitation with the rest of the junk mail.
Such Americans, if they think of the post at all, loathe it, as they sort through the junk mail, the misdelivered mail, and then the unpleasant mail, or as they queue Soviet-style in a post office for a passport application.
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Many recipients said the "junk mail" undermined parties' green credentials but campaigners claim the material is essential to convey their manifesto.
It can also mean the end of junk mail in the mailbox outside of your home.
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It comes at an immeasurable cost in terms of time and stress as we struggle to keep our noses above the junk (mail).
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The prevalence of junk mail and spam has certainly made weeding out noise more difficult over the last decade.
To the average citizen, limiting the chore of transferring unwanted junk mail from the mailbox to the recycling bin to Monday through Friday would be very welcome news.
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But the novel worm spotted recently by Spamhaus routes junk via the mail servers of the net service firm that infected machines used to get online in the first place.
And last month, the group added a new name to its blacklist, CyberBunker, and said spammers use the company as a host to spray junk mail across the Web.
Others pointed out that they will make little difference to the amount of junk mail people receive.
Of course, the subsidizing of junk mail is more than just a nuisance and waste of financial resources.
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This is the equivalent of paying for the delivery of junk mail only to households that read it.
Does the mailman bring anxiety along with the pounds of junk mail?
Listed as the third biggest spammer in the world by junk mail watchdog Spamhaus, OptInRealBig was sued in December 2003 for sending mail messages that violated anti-spam laws.
The main reason behind the decrease in spam volume is the overall heightened level of anti-spam protection, says the Moscow based junk mail and cyber crime fighting Kaspersky Lab.
As most UK net firms already shut down firms that "spamvertise" for customers, it is unclear how much difference the changes will make to the amount of junk mail in circulation.
Before now many spammers have recruited home PCs to act as anonymous e-mail relays in an attempt to hide the origins of their junk mail.
They are only too keen for their clients to use the fancy new junk-mail and public-relations firms that they have bought in the past decade.
The main reason you have only a few ounces of printed junk mail in the box outside your door, not a ton, is that printing and shipping this kind of mail costs money.
That's the first step in the endless cascade of junk mail from credit-card companies that pile up in your mailbox.
The participants were asked to bring a sample of their own junk mail or newspapers to the lab and were assured that researchers wouldn't throw out anything they wanted to keep.
MessageLabs, the email-filtering company that Symantec acquired in 2008, posted a set of word maps today measuring the frequency of terms in spam emails from a random one-week sampling of junk mail pulled from the most prolific spam-spewing botnets.
The attack bombarded the websites of anti-junk mail outfit Spamhaus with huge amounts of data in an attempt to knock them offline.
By tackling the web shops that profit from spam, UK net firms hope to remove the financial incentive to send junk mail.
Many spammers align with online pharmacies and direct those who click on links in junk mail to the pedlars of fake pills.
However, they are also slightly spammy because they arrive so regularly and some of their language resembles the hyperbole employed by most junk mail.
The organization has been in a long-running feud with CyberBunker and claims spammers use it as a host from which to spray junk mail across the Web.
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