Golang Send Mail From Excel File

This is the simple example of sending mail from excel file using golang.

Environment Variables

host := getEnvOrFatal("MAIL_HOST")
port := getEnvOrFatal("MAIL_PORT")
username := getEnvOrFatal("MAIL_USERNAME")
password := getEnvOrFatal("MAIL_PASSWORD")
fromName := getEnvOrFatal("MAIL_FROM_NAME")
fromMail := getEnvOrFatal("MAIL_FROM_MAIL")
mailSubject := getEnvOrFatal("MAIL_SUBJECT")

How to run

cp ./templates/email.html.sample ./templates/email.html # copy email sample
go build -o send-mail . # build
./send-mail test.xlsx # run