According to Wikipedia - Email Marketing is a form of direct marketing using e-mail (electronic mail) as a means of transmitting information to potential customers. As broad definition: each email sent to a customer or potential customer can be considered as email-marketing.

But Email Marketing is often used to refer to:

    * Send email to enhance the company's relationships with existing customers or previous to encourage customer loyalty and create additional contracts with this customer.
    * Send email to turn one's interest to customers or persuade existing customers to buy products / services immediately.
    * You may be unhappy, even angry when receiving an email "unwelcome" but can you still become a customer if the product or service is introduced in the email with price and quality of attractions guide.

Marketing by email, including two forms:

• Email marketing permit or permission of the recipient (Solicited Commercial Email), this is the most effective form.
• Email marketing without consent of the recipient (Unsolicited Email or Unsolicited Commercial Email Marketing - UCE) also known as Spam. These two forms of email marketing first appeared on the Internet.
 
The benefits of email marketing:

• Save a lot of time
• very low cost - Create great benefit
• Giving orders unexpectedly

The benefits of email marketing for:

First:

The use of email for marketing will save you a lot of time in the mail. If you mail in the usual way, you will take some time to write as well as the time to send the letter. You must perform a screening from your client list to the object you need to send mail to. Time for you to make this work you take away a lot of time, on the other hand, if you make this work is not exactly lead to the possibility that two or you are missing from the hotel their customers or do you send to customers who buy products and do not need more marketing.

Meanwhile, use email to send a message and is sent in bulk to many different addresses, time you save is enormous, as well as the cost of mailing is much lower. As you know, email allows you to send multiple messages to multiple addresses in one send. This is a very strong function of the email, with this function when you want to send a letter to the same content to multiple people at once, you simply drafted a letter and put all the addresses of people you want send, then click "Send".

Moreover, with email, you can use the service to help make managing a mailing list automatically. With this service, it will automatically type all those who have made the purchase of goods that you want to send a message to offer off the list.

The use of this service will help you avoid unnecessary mistakes for a very low cost.

Second:

Expenses for marketing by email is very low but the profits that it generates very large. Why so? ... profits that you can find the easiest is the cost that you save while it is not small.

First we can say to that is the cost that you can save from cutting printing. Printing cost of your money not less, especially if you do send a message to the large number of customers. But the form of email marketing, you no printing costs and it is extremely easy to fix if there are errors in the content. Just change the wrong place and can be sent to customers immediately.

In business, maintaining relationships with customers is extremely important. Although companies are aware of this however, they can not do this with all the customers because the cost is too large to allow them to do so. If you must send mails to 10,000 customers overseas, the cost will be?. If the contents of the letter is wrong, you lose how long and how much to overcome the consequences?

But with email marketing allows companies have done this. They can conduct regular exchange with all of its customers daily or weekly, but the charges were dropped only one percent or one thousandth of the cost that they pay the normal way. Thus, the marketing by email will strengthen the relationship between the company and customers, as well as cause the sympathy and trust them.

If you keep good relationships with customers, when wishing to purchase a certain product, then they will first think of your company's products and the opportunity to sell your product to them is higher many rivals.

Besides, you can perform the test the effectiveness of sales letters, information and feedback about your products quickly with low cost and very short time. You can adjust or fix them so compelling and the tastes of customers. Make your products more competitive than the products of competitors and will make profits as well as your business grows faster and more sustainable.

Third:

The e-mail marketing can give you orders as soon as you send sales letters. Email offers by email, send a very short time, customers receive offers during a demand for your product. Maybe they will make the orders instantly and without hesitation whatsoever. If they had not ordered, you can continue to remind them ... until they buy your product.

With the benefits that email marketing is actually an effective means for businesses of any business. However, as we have said, to apply a form of marketing it effectively is a huge problem and is a conundrum for any business that the world is not any in Vietnam.