You may think of Hubspot as a CRM tool, but they a pretty full-featured email marketing suite.
You can start with a free account, but prices go up pretty quickly to $800/month.
"Although Hubspot is the most expensive, it is an incredibly powerful tool that helps us run our entire sales and marketing teams. It consolidates all of our sales and marketing efforts - SEO, social media, emails, paid ads, prospecting, deals, etc - into one place and provides instant access to an abundance of data. It’s more intuitive than Salesforce and their customer service is top-notch."
"We use Hubspot because what it can do is perfect for a small sales team."
"Hubspot has been an amazing CRM for us. It is incredibly user-friendly and I love having the marketing tools built-in."