Amazon RDS for SQL Server now supports Database Mail in Amazon Web Services China (Beijing) Region, operated by Sinnet, and Amazon Web Services China (Ningxia) Region, operated by NWCD

Amazon RDS for SQL Server now supports Database Mail. With Database Mail you can send email messages from your Amazon RDS for SQL Server database instance. After specifying the email recipient(s), you can add files or query results to the message you send. 

You can enable Database Mail on SQL Server Enterprise, Standard, and Web Editions on all versions of SQL Server.

Please visit the Amazon RDS for SQL Server User Guide to learn more. 

Amazon RDS for SQL Server makes it easy to set up, operate, and scale SQL Server deployments in the cloud. See Amazon RDS for SQL Server Pricing for pricing details and regional availability.