How to send a file via smtp using Golang?

Question

go

How to attach a file read with help ioutil.ReadFile()to an email?

Answer 1

To attach a file, you need to include headers in the transmitted data.

• "Content-Type: multipart/mixed"
  
• "Content-Disposition: attachment"
  

On net/smtp from the standard library, for example, this is done like this https://gist.github.com/guinso/8405a991d8a095b0142...