How Email Works

A Client has 4 Things

 

1) Messages in mailbox

2) Contents can be seen by selecting the header

3) Messages can be created and sent

4) Attachments can be added

 

 

Email이 전달되는 과정

 

2. Investigating Email Crimes and Violations

• Similar to other types of investigations
• Goal
  • Find who is behind the crime
  • Collect the evidence
  • Present your findings
  • Build a Case
• Depend on the city, state, or country
  • Example: spam
  • Always consult with an attorney
• Becoming commonplace
• Examples of crimes involving emails
  • Narcotics trafficking (마약등의 불법 거래)
  • Extortion (갈취)
  • Sexual harassment

 

■ Online Email Tracer

 

■ Using Network Email Logs

• Router logs
  • Record all incoming and outgoing traffic
  • Have Rules to allow or disallow traffic
  • You can resolve the path a transmitted emails has taken
• Firewall logs
  • filter email traffic
  • Verify whether the email passed through
• You can use any text editor or spcialized tools

 

■ Understanding Email Server

• Computer loaded with software that uses email protocols for its services, and maintains logs you can examine and use in your investigation
• Email storage
  • Database
  • Flat file
• Logs
  • Default or manula
  • Continuous and circular