What is the reason why the Aliyun mailbox can't send mail?

Aliyun Enterprise Mailbox Why not send out mail?:

1, in sending the mail, please fill in the complete, the correct recipient address (General e-mail address format is a123@aliyun.com, not to have more spaces or other special characters);

2, the attachment of the general size of the attachment to 50M below (oversized annex 2G);

3, the number of mass can not be more than 100, mass addresses between the use of the semicolon ";" Separated

4, with the client send mail can not be sent, please check the client settings;

5, such as sent after the letter of withdrawal. You can see the reasons for the letter of return.

6, the mailbox is not a short period of time to send large quantities of mail beyond the day of the delivery limit, please try to send the next 0 points after.

7, account for a long time did not log in, in order to protect the security of the account, the system automatically open the outside limit, in the letter will be reported "system error, unable to send", can be directly to the Ali Mailbox Forum feedback, the Commissioner to help open the permission to send out.

Aliyun Enterprise Mailbox receive letter of return how to deal with?

After the mailbox receives the system retreat message, you can first turn on the reason for viewing the system retreat, and then follow the recommended solution. For example:

1. The following means that the message content anti-spam, can send mail to acount01@aliyun.com assistance processing.

2. The recipient address does not exist or is not the specification causes the collection account cannot be found:

3. The opposing server could not be found (recipient domain does not exist).

4. The recipient account is not allowed to receive letters from Outland.

5. The other side domain name resolution is not stable, can not find the offset device.

Okay, the above is a small series for your friends to organize an article about Aliyun Enterprise mailbox can not send out mail is the reason analysis and problem solving method, I hope that the article will help you friends.