CSC 379:Week 1, Group 5: Difference between revisions

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==Techniques Against Spam==
==Techniques Against Spam==


===Block domains===
===Block Domains===
'''Background'''
A Technique to black spam that creates a blacklist of known spammers that can be used by email providers by the user. This will cause suspect spam to be sent to a spam folder or  the automatic rejection of emails from blocked domains


Creates a blacklist of known spammers that can be used at the ISP level or by the user. This will cause the automatic rejection of emails from blocked domains
'''Positive'''


It will effectively block spam from known spamming addresses.


negative
'''Negative'''
can have false positives
 
Legitimate domains could be blocked as a result of a computer being hijacked


===Require users to request permission to send your email===
===Require users to request permission to send your email===
'''Background'''
A Technique to black spam that requires senders to request permision to send you an email. Senders not on your approved list , or white list email will be rejected or sent to a differnt folder. One example of this is the [http://www.earthlink.net/software/free/spamblocker/ Earthlink Spam Blocker]
'''Positive'''
The user should never receive spam.
'''Negative'''
Could have emails that a user might want to see that is not spam, but also not on your approved list.


===Charge for e-mail sent===
===Charge for e-mail sent===
'''Background'''
If there is a cost per email sent spammers sending out millions of spam then would not be able spam at such a high rate
http://www.cnn.com/2004/TECH/internet/03/05/spam.charge.ap/
'''Positive'''
Spam would be cut down due to the cost
'''Negative'''
users will have to pay a cost per email sent as well


===Opt in / opt out===
===Opt in / opt out===

Revision as of 12:04, 6 July 2007

Techniques Against Spam

Block Domains

Background A Technique to black spam that creates a blacklist of known spammers that can be used by email providers by the user. This will cause suspect spam to be sent to a spam folder or the automatic rejection of emails from blocked domains

Positive

It will effectively block spam from known spamming addresses.

Negative

Legitimate domains could be blocked as a result of a computer being hijacked

Require users to request permission to send your email

Background A Technique to black spam that requires senders to request permision to send you an email. Senders not on your approved list , or white list email will be rejected or sent to a differnt folder. One example of this is the Earthlink Spam Blocker

Positive

The user should never receive spam.

Negative

Could have emails that a user might want to see that is not spam, but also not on your approved list.


Charge for e-mail sent

Background If there is a cost per email sent spammers sending out millions of spam then would not be able spam at such a high rate http://www.cnn.com/2004/TECH/internet/03/05/spam.charge.ap/

Positive

Spam would be cut down due to the cost

Negative

users will have to pay a cost per email sent as well



Opt in / opt out

Domain authentication

http://www.dmnews.com/cms/dm-news/internet-marketing/32319.html

Bounties

Rewards for information that leads to arrest of spammers. http://www.msnbc.msn.com/id/5326107/%20

The "Goodmail" approach

Bonds with escrow agencies