Easily sending mails to lots of clients at once from excel sheets
The following command illustrates the usage:
node -r esm index.js -s emails.xlsx -m mail.txt
You have to set the -s or --sheet parameter to the path of the excel sheet and the -m or --mail parameter to the path of the mail file.
The mail file should have the subject of the mail in the first line and the html content in the second.