If you want to send and receive mail on the Internet, you need a fixed IP address and mail domain name.
1. Create a mail server with a specified domain name in the TOS system, and create a corresponding mailbox list.
2. Do the corresponding resolution operations at the domain name service provider:
A record: Point the domain name to the IP address provided by the space service provider. For example, mail.xxx.com points to
14.118.130.205.
mx record: used to build a mailbox, point the domain name to the mail server address, so that the mailbox can send and receive mail
successfully. For example, @ points to mail.xxx.com.
View the analysis situation: enter nslookup -q=mx xxx.com in the terminal to view the analysis situation. The time differs for different
service providers to complete the analysis.
3. Use the created mailbox user to log in through the client:
Sending and receiving server: fill in the fixed IP address or the address of the sending and receiving server, for example 14.118.130.205
or smtp.xxx.com.