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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