SendGrid is a an email delivery system that is highly scalable, reliable and easy to implement. It eliminates the cost and complexity of maintaining your own infrastructure. SendGrid offers transactional templates allowing marketers and designers to easily manage and edit transactional email template code with CSS, HTML and drag & drop editors.
A newsletter is a periodically distributed publication which can be used for advertising and increasing referrals from customers. Online newsletters prove to be a wonderfully efficient as well as cost effective way for marketing
Online Newsletter Tools