For those who need to automate their email campaigns at a low cost while benefiting from a simple and centralized method with their Gmail account, KMT2M (KeMieTech Mass Mailing) offers a straightforward and direct toolkit.
Based on a combination of GAS (Google Apps Script) extensions and optimized interfaces that adopt the features of spreadsheets like Microsoft Office Excel and Google Spreadsheet, KMT2M allows you to easily authenticate via your Google account, create custom email templates, import your contact lists, and schedule email campaigns that are executed directly from your Gmail address.
See you on the official page of KMT2M.