Spam Solutions
You’ve Got Mail!
Group 7
Leo Leung
Peter Gorzkowski
Seema Yadav
Tobby Mathew
Overview
HTML allows documents to be viewed…people needed to
communicate…
Development of E-Mail
Organization Use-employee interaction
Marketing Use-scams, ads, customers
Spam - Overview
Definition
“Unwanted emails indiscriminately sent through various mailing lists to
individuals and groups”
WHY?
WHO?
Solutions : eg: Brightmail and Spam Bully
Outgoing Issue
Affects PC/Network as Spam is also sent out
Viruses: MyDoom
Incoming Issue
Average American will get more than 2200 spam messages
and 3600 by 2007
Using 2 mins/day, 4400 mins=74 hours given up
HTML use for anti-filtering
Anti-Spam – Comparison
Brightmail Server Spam Bully
Clients: Avaya, eBay, MSN Users: SoftLandMark,
Decoy addresses RECEIVE FutureQuest
spam Technique adoption
Saving of $72,222 from loss
learns from spam messages
of time due to spam
Cost of $12,500 Self adjusting
300 million users
Spam –Problems
False positives
safeguards
rigorous accuracy standards
Instant deployment of updates
Lost user productivity
Resource depletion
Anti-Spam – Technical Description
Pro’s: -at point entry Pro’s: -reduced downtime Pro’s: smaller organizations
-saves resources -multiple services on one plug and play
Con’s: -smaller organizations dedicated machine Con’s: multiple installations
-some prefer no services Con’s: -enough resources to
running at gateway run other services
Anti- Spam – Technical Description
Brightmail Protection
- Probe Network - World-largest network collects spam using over 2
million decoy email addresses
- BLOC – operations centers that collect mail from Probe Network and
develop countermeasures
“new filter updates every 5 – 8 minutes”
Spam Bully Protection
- Bayesian Filtering – content based, self learning
Common Modules
- White lists and black lists – specified by firms, organizations
- Custom Rules – specified by users
Anti-Spam – Variations
and Standard Bodies/ Organizations
Brightmail
Brightmail Anti-Spam Brightmail Anti-Spam Brightmail Anti-Fraud
Enterprise Edition Version 5.5 Service Provider Edition
Spam Bully
Outlook Version (1.2.0.96) Outlook Version (2.0.0.73 Beta)
Outlook Express Version (1.2.0.52)
Outlook Express Version (2.0.0.72 Beta)
1. Coalition against unsolicited Commercial Email (ICAUCE) - not-profit, international organization
which helps its members and media become aware of spam issues and how to deal with spam
2. Federal Trade Commission (FTC) - protect consumers and business from Internet scams
3. Internet Society (ISOC) - provides its members and users with information about Internet issues
4. SpamAbuse.org - They maintain a blacklist of companies that have been reported
5. SpamCon Foundation -spam fighting organization that provides its members and users with a
blacklist of companies
Anti-Spam – Alternatives
AT THE GATEWAY:
NetBarrier: firewall protection, unused ports closed, not for the novice
user
AT EMAIL SERVER:
SpamAssassin: heuristic testing, point earned vs. set limit, user friendly
Spam Killer: 3 levels of protection-integrity analysis, heuristic detection,
content filtering, minimal management, small scale purposes
ideal
Symantec Norton AntiSpam: custom filter, knowledge of this feature
is required, foreign languages are not recognized, limited
configurability
SpamWatch for Eudora: self learning filter, ranking system, only available
for Eudora paid users
Summary
&
Questions?