What is spam ? How can I tell the difference between spam and non spam?

"Spam" is just a very spam email.

The Internet Society of China defines spam in the Anti-Spam Specifications of the Internet Society of China as follows: "Spam" as used in these Specifications includes e-mails with the following attributes: (1) advertisements, electronic publications, various forms of publicity materials, and other promotional e-mails that the recipient has not requested or agreed to receive in advance; (2) E-mails that the recipient cannot reject; (3) Emails that hide the sender's identity, address, title, or other information; (4) E-mails containing false information such as sources, senders, and routes.

There's rubbish.

Like propaganda stuff and stuff like that.

It was automatically divided.

These two lists generally appear in e-mail service systems or social networking systems. Contacts listed in the blacklist are contacts that the user specifies that they do not want to receive or show information to. For example, in an email, emails from blacklisted contacts can be automatically classified as spam; In social networking**, blacklisting contacts can be automatically blocked so that they can't see the user's updated information.

Whitelists, on the other hand, are where the user designates contacts who are not subject to any (or minimal) constraints. In email, emails sent by whitelisted contacts can bypass the standard spam identification procedures inherent in the email system itself (usually roughly identified based on the address and subject of the message), and all of them are stored in the normal inbox; In social networking, whitelisting contacts also has more transparency for users than for the average user.

Categories: Computer Internet >> Internet.

Problem description: I don't know much about this, is there a clear line between it?

Analysis: China and some other countries in the world have their own definition of "spam".

In August 2000, China Telecom formulated measures for dealing with spam and defined spam as e-mail advertisements, publications or other materials sent to users who did not actively request them; Emails that do not have a clear return method, sender, reply address, etc.; Using China Telecom's network to engage in conduct that violates the security policies of other ISPs or the terms of service and service; Other emails that are expected to result in a complaint about the digging of pants.

On May 20, 2002, the China Education and Scientific Research Computer Network published the "Regulations on the Administration of Stopping Spam", which defines spam as any e-mail that is forcibly sent to the user's mailbox without the user's request for any advertisement, promotional material, virus, etc., generally has the characteristics of being sent in batches.

The Internet Society of China defines spam in the Anti-Spam Specifications of the Internet Society of China as follows: "Spam" as used in these Specifications includes e-mails with the following attributes: (1) advertisements, electronic publications, various forms of publicity materials, and other promotional e-mails that the recipient has not requested or agreed to receive in advance; (2) E-mails that the recipient cannot reject; (3) Emails that hide the sender's identity, address, title, or other information; (4) E-mails containing false information such as sources, senders, and routes.

Summary. Spam refers to unsolicited emails.

Spam refers to unsolicited emails.

1. Advertisements, electronic publications, various forms of publicity materials and other pre-dusty e-mails that the recipient has not requested or agreed to receive in advance; 2. Emails that cannot be rejected by the recipient; 3. Emails that hide the sender's identity, address, header and other information; 4. E-mails containing false information such as the source, sender, and road style. 5. Emails containing viruses, malicious**, pornographic, reactionary and other bad or harmful information. 6. The use value of users is low and users receive it frequently, which makes users unbearable.

Categories: Computer Internet >> Internet.

Problem description: What is spam and how is it generated?

How is spam sent, and how is it different from sending regular emails?

What are the main aspects of spam content?

Is there any way to control spam? Tell us about your vision.

Analysis: 1Spam is a promotional message that is sent without the consent of the other party. It is generally sent out by some unconscious merchants. There are also some individuals**webmasters who use spam to promote the purpose of **.

2.Spam is sent in two ways: ** and manually sending, and **software is generally used**.

3.Spam is primarily advertising or promotional in nature.

4.To control spam, it should not be completely eliminated, but only to pay attention to prevention and reduce spam to a minimum. For example, don't paste your email address everywhere on **, and report frequent spam messages to your email service provider, who can block their emails.

There are many reasons why an email sent is classified as spam, but here are some of the most common reasons and how to prevent it:

1.The content of the email is a problem with Wu ChunIf the content of the email is obviously advertised, over-marketed, suspected of fraud, or contains a large number of spam characters, it is easy to be identified as spam by the spam filtering system.

Ways to prevent it2.Sending frequency issues: Emails that are sent too frequently are easily identified as spam by the filtering system.

Ways to prevent it: Avoid sending emails frequently, control the frequency of emails, and ensure the regularity and stability of email sending.

3.Sending volume issues: If you send a message to a large number of unauthorized recipients in a short period of time, it is easy to be identified as spam.

How to prevent it: Build your own mailing list, categorize and group recipients, and avoid sending emails to unauthorized mailers. When you need a large number of outgoing EDM marketing emails, it is recommended to choose reliable emails, EDM email marketing services, which are safe and stable, have a high delivery rate and a high inbound rate.

4.Sender identity issues: If the sender is not authenticated, or if the server sending the email is not authenticated by SPF, DKIM, DMARC, etc., it is easy to identify as spam.

Ways to prevent it: Authenticate the sender's identity before sending an email to ensure that the server passes SPF, DKIM, DMARC and other authentication to increase the credibility of the email.

5.Mail server issuesWays to prevent it: Ensure the security and stability of the mail server, regularly check the blacklist of the mail server, solve the abnormal situation of the mail server in a timely manner, of course, you can also choose a reliable email relay outgoing service to solve the problems of email bounce caused by the IP address of the mail server being repeatedly included in the RBL blacklist.

In short, the key to preventing emails from being identified as spam is to send legitimate, authentic, and regular emails, and to reasonably control and manage all aspects of email sending.