Analyze e-mail message common prompts error messages one by one

Source: Internet
Author: User
Keywords Email error message server

e-mail (electronic mail, referred to as e-mail, Logo: @, also known as "email") also known as e-mail, electronic mail, it is-a kind of electronic means of providing information exchange of communication methods. Is the most widely used Internet service: Through the network of e-mail systems, users can be at very low prices (no matter where they are sent, they only need to pay phone fees and network fees), in a very fast way (within a few seconds can be sent to any of the world you specify the destination), Connect with Internet users in any corner of the world, these emails can be text, images, sound and other ways.

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; At the same time, users can get a lot of free news, special mail, and achieve easy information search. This is no traditional way to compare. It is because of the simple use of e-mail, fast delivery, low charges, easy to save, the global unimpeded, so that e-mail is widely used, it makes people's communication methods have been greatly changed. In addition, an e-mail message can be delivered with a one-to-many message, and the same message can be sent to many people at once. Most importantly, e-mail is the whole network and all other network systems directly to the exchange of information between people, and its data sender and receiver are human, so greatly meet the large number of human and human communication needs.

E-mail means the communication method of transmitting letters, documents, information, etc. electronically. E-Mail combines the characteristics of telephone communication and postal mail, it transmits information as fast as the telephone, and as a letter allows the recipient to receive a transcript at the receiving end. e-mail system is also called computer-based mail message system. It assumes the full process of processing from the mail into the system to the destination of the message. e-Mail can be used not only on the telephone network, but also in any communication network. When using the telephone network, it can also be used to transmit information during off-peak periods, which is of special value to commercial mail. Electronic systems with limited users controlled by a central computer and a small computer can be viewed as a computer conferencing system.

Use email mass to do network promotion, often encounter the situation of retreat letter. The letter of return is different SMTP server according to the email delivery situation, so the information returned is also very varied, combined with our bulk mail technical support process summary, listed below a few categories of the most common letter of withdrawal.

(1) The recipient address does not exist

Common tips: Invalid user, user not found, user unknown, No such user, user unknown, unknown or illegal alias, account inactive, user not Found, Invalid address, Invalid recipient, not a valid mailbox, mailbox cant be delivered

Reason: The receiving SMTP server does not think the recipient user is present, so the sending server cannot find the mailing address to post. This situation is common in cases where the recipient's email address is incorrectly written.

Solution: Carefully check to fill out the email address is wrong, correct and then import mass software sent.

(2) could not find the other host

Common tips: Not found, host, bad host domain

Reason: Unable to find the other server name, mainly because in the e-mail address, the domain name after the @ or the host address was incorrectly written. If you write aaa@hotmail.com as aaa@homail.com.

Solution: Check the email address to see if there is anything wrong with it.

(3) Connecting the host timeout

Common tip: Connection timed out

Reason: Connection timeout, mainly in connection with the other server due to network problems caused by the problem, resulting in the delivery of mail errors.

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