Direct Mail is an easy and efficient way to send email notifications and batch emails quickly and efficiently, without the need for you to set up your own email server. Direct Mail is an essential product for Alibaba's e-commerce platforms. This includes the annual sales festival that saw record sales. Direct Mail by Alibaba Cloud customers is used to send millions of emails every day. Direct Mail guarantees high conversion rates across all mail channels. Emails can also be sent via the API interface, product console, and SMTP interface. To ensure stability and scalability, outbound mail redundancy is stored across multiple servers and databases. Strategic mailing functionality allows you to control your mailing frequency. Register confirmation, order confirmations, password resets, transaction notification, as well as registration confirmation and order confirmation. Also includes product promotions, journal subscriptions, etc.