Send mail from your serving using mailjet

Mailjet is worth giving a try. www.mailjet.com/ Super easy to get started. They have a free tier for trying it out with no credit card and no expiration.
For automation, you can send email with an API connection or SMTP.
After you create your account, they take to a page to test your mail. For example, a curl script with all the fields filled out with your email addy and API key etc. Just copy/paste it to a server and Jerry is your Uncle.