Now a days many people are using Free Email & SMTP services to send Huge emails daily to reach their Blog followers,customers Etc..For start ups it will be very hard to spend on email marketing ,You may have a list up to 500 Email subscribers. You like to send them emails daily .. i will tell you which Email or smtp services available for you for free emails.
i am providing a list of email services below, to use them for free. The below services will be useful as a smtp servers & also Email marketing systems.
By sending Emails You will get traffic to your websites & Blog.