The Email Connector module in the Marketplace can be used to send emails. It can send emails with or without attachments. The module can be configured to use a variety of third-party providers. 

The documentation goes into greater depth, but it should do what you need.

https://docs.mendix.com/appstore/modules/email-connector/

Good luck!

Hi Priyanka,

https://medium.com/@mohammad.saqib_1262/email-connector-in-mendix-streamlining-communication-6f0e744ff6c2

Please read this article

 I would concur. read this thoroughly

https://docs.mendix.com/appstore/modules/email-connector/