Email security ... ...?

Today tgl 2 December 2008 I must again bagun morning dech coz today is the very subject like. Although the course entrance 7 am I still the spirit .... ... .. The spirit of the spirit. Subjects of many computer security information to provide a very important and useful for what. Today I can remember about the security of email ... ... ... ... ...
The first we need to know what security is in your new email dech we know how to resolve the issue ... ... ...

Problem-the problem, among others:
1. SPAM
An email is SPAM if an email is sent to many people. Its main objectives for the ad.
There are several ways to prevent SPAM, namely:
 FILTER (filtered) can be with the MTA, MUA
MTA: Mail Transfer Agent (mail server)
MUA: Mail User Agent (mail client)
Menfilter techniques that we need to know the characteristics cirri-SPAM filter and shape the subject.
SPAM example: drugs, discount, selling software
Technical menfilter SPAM:
o You can see how to see the poster with the server address of the sent email address, can also mail server.
o You can see what subyeknya
o You can see the contents / contentnya use the images but not text that can menfilter SPAM.

 Writing email address with the code (write your email address in the web with code)
For example: milan120503.blogspot.com written with milan120503 dot blogspot dot com

 Writing email address with paint a picture


2. EMAIL BOM
An email is called email bomb if many email sent to one person. Its main objectives → DOS denial so that the mail can not be used as the email so that email can not go / receive.
How to prevent:
Menfilter: MTA, MUA
 ngirim Server is limited to email if there is a lot and the same can not be sent / received / rejected.
 every user quota be: if more than 5Mb rejected.

3. EMAIL PALSU
ngirim which is false and its contents is also false. Email false memenfaatkan open relay mail server: other people can tell the email address have another person (other domains)

This is one lesson that I get this day. Thank God For this day I can still follow the science and get a very useful and I hope this is also helpful for you all ... ... .... So be it.