Computer Skills 2 for Humanities

E-Mail (Electronic Mail)

Definition E-mail:

- Shortcut for (Electronic mail) . ل إختصار -Electronic Mail service. اإللكترونية المراسالت خدمة - Likes a Normal Mail service. العادي البريد تشبه - A method of connection between people in the

world. العالم أنحاء في الناس بين للتواصل وسيلة

- The connection : is by ability to send and receive messages between people in the internet. عن التواصل

رسائل إرسال على القدرة طريق - Ability to send and receive attachments.

الرسالة نص مع ملحقات شكل على ملفات إرسال على القدرة - Each sender and receiver has to have an Email

Address لبريد عنوان يملك أن يجب مستقبل أو مرسل كل إلكتروني

E-mail basic work Using SMTP (Simple Mail Transfer Protocol) for

sending messages. This protocol establishes a connection to an E-mail E-mail

serverserver (like Yahoo or Hotmail) that the receiver deals with it , and then send the message.

The sending message is stored in the receiver inbox in the Email Server by using his e-mail address, until he becomes Online and Reads his Email.

The sending time for the message is not more than 20 seconds and depends on the network load.

E-Message Contents

Likes a traditional mail message. Consists of:

1. Introduction:

- Sender and receiver address.

- Sending Time.

- Message Subject.

2. Message Body: written text.

3. Attachments: Files, pictures, documents,…etc.

- الرسالة كتابة - المرسل عنوان كتابة - الرسالة إرسال - الى الرسالة المزودة Serverستذهب شركتك

للخدمة - الرسالة عنوان صحة من ستتحقق - الى تصل حتى به ستسير الذي المسار ستحدد

Server للرسالة المستقبل - ال على الموجود الخاص بريده في ستخزن

Server - سيفتح وقت أي في قراءتها يستطيع عندما

ويقرأها الرسالة

E-Mail Address The general construction:

User_Name @ Host_Name.Domain

<Bashar112@yahoo.com>

Where:

-User_Name: User address.

-Host_Name: Host Name.

E-Mail Server Name or company name (Yahoo, Hotmail, Gmail…etc.)

- Domain: Network Type.

- You can find the Country symbol in the last position of the address (.JO, .UK, .SY ……)

E-Mail Address (cont.)

Domain type Description

Com Commercial companies

Edu Educational Foundations

Gov Government Foundations

Mil Military Foundation

Net Network Services Companies

Org Organizational Foundations

Int International Foundations

E-Mail Types

Web mail:

is a traditional E-mail, and used by any browser (ex. Yahoo, Hotmail web mail).

Forwarding mail:

is used to send a message from one address to another through Forwarding mail.

it is a suitable sending method for any user who not want to reveal his address.

: مثالال - إيميل لديك كان والجميع Forwardingإذا ،

تلك بتوصيل البريد هذا ويقوم ، عليه يراسلكالذي الشخص أن أي ، لك آخر بريد إلى الرسائل

بريدك عنوان يعرف ال بريدية رسالة لك أرسلالحقيقي.

POP3 Mail (Post Office Protocol):

like the Web mail, but is differ from it by using special applications like MS Outlook.

The E-mail Risks

Spam Messages:

باستقبالها : ترعب ال إلكترونية رسالة أي السبامSpam is flooding the Internet with many

copies of the same message, in an attempt to force the message on people who would not receive it.

Most spam messages are:

-Commercial advertising.

-News messages.

-Questioners.

-etc.

How Email spam targets individual users How Email spam targets individual users with direct mail messages?with direct mail messages?

Email spam lists are often created by: 1.The Revealing of E-mail address for the user.

في وضعه طريق عن بريدك عنوان عن تكشف أنت ، اإلعالنات ، المجالت ، العلنية المزادات صفحات

المنتديات ، األخبار2. Stealing Internet mailing lists.3. Searching the Web for addresses using special software (Rolling addresses randomly).

4. Selling the your Address by some companies to spammers

E-Mail Risks-Hackers

Hackers:

Hacker is a term used by some to mean "a clever programmer" and by others, especially those in popular media, to mean "someone who tries to break into computer systems."

إلكترونية معلومات الى الوصول يحاولون أشخاصشرعية غير بطرق

How to protect our system from spammers and hackers?

A- Using Antivirus software: there are Two Types:

- Programs that located in User’s Personal Computer.

- Programs that located in free web sites. Antivirus applications in user’s PC:

1. Norton Antivirus.

2. Mcafee.

3. PC-cillin.

How to protect our system from spammers and hackers?

Antivirus applications in free web sites:

1. Symantec Security Check.

2. HouseCall.

على نعمل عندما اال النوع هذا إستخدام يمكن ال لكنالشبكة

B- Using Firewall:A system designed to prevent unauthorized

access to or from a private network.

Firewalls

Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet.

All messages entering or leaving the Internet pass through the firewall, which examines each message and blocks those that do not meet the specified security criteria.

How to defend ourselves from Spammers and Hackers? From Spammers:

1. Don’t give your E-mail Address except to your closed Friends.

2. Don’t open any Junk E-mail messages with unknown address.

3. Don’t open any E-mail Attachments with unknown address.

4. Use Anti-spam Tools that supported by the E-mail Applications.

5. Unsubscribe from commercial and general Email lists, and unwanted groups.

How to defend ourselves from Spammers and Hackers?

From Hackers:

1. Don’t put your Personal IP address on any website.

2. Ensure that your antivirus program is active and updated always.

3. Disconnect the connection to internet when you not need it.

4. Use a good and effective firewall