incoming outgoing spam filter
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Incoming Outgoing Spam Filter
By: Teav SovandaraNetwork Engineer at MaxBIT
KHNOG Phnom PenhDate: 30-Nov-2015
Objective
• Introduction• The problem on email
• Solution out here
Introduction
What is email?
Tranditionalmail
Electronic mail
Introduction
The Problem on Email
Incoming Mail
Spam email Phishing email Virus & Malware
Spam Mail
Email spam, also known as junk email or unsolicited bulk email (UBE), is a subset of electronic spam involving nearly identical messages sent to numerous recipients by email.
Spam Mail
Spam Mail
Spam Mail
Spam Mail
How spammer can get million of valid email address
NewsgroupChat room
Phishing site
Dictionary search
Spam bot
Phishing email
Phishing is a method used by fraudsters to access valuable personal details, such as usernames and passwords.
Phishing email
Virus & Malware
Malware usually has two functions: to spread itself by some means, and to do some sort of damage or theft. Sometime malware use your computer as spam to send spam email without let’s you know
Frequently it self spread by attachments in email messages or by instant messaging messages.
The Problem on Email
Outgoing Email
Spam
IP blacklist
malware
virus
Solution out here
• SpamAssassin• ClamAV• Some box like baracuda, Pineapp, Watchguard
..etc
• Antivirus (Avast, AVG..)
• Software SpamGate
Solution out here
Solution out here
For end user
• Don’t open attachment from email that you
don’t recognize
• Install antivirus with email protection
function
• Don't just go to a link included in an email.
Thanks For your attention
Facebook: https://www.facebook.com/sovandara.te
Email: t.sovandara@gmail.com
Website: www.sovandara.com
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