Gmail

Gmail is a cloud-based and Google-supported free application developed to optimize your email experience. It uses advanced technologies in spam filtering to perfect the e-mail marketing process. With Gmail, you can keep your emails more organized and create templates to use in your email marketing campaign.

 By integrating the forms and surveys you created on forms.app with your Gmail account, you can create e-mails with your form responses. So you can get a database for your email marketing operations.