Email Octopus’ free plan (‘Shrimp’) allows users to send unlimited emails to up to 2500 subscribers. Users can send emails from multiple email addresses and there are still plenty of templates to experiment with, although it does not include any automation functionality (which is reserved for paying subscribers). If you don’t fancy signing up for an account just yet, 11 completely free templates are available to download directly from their website.
This strategy manages to prove itself both effective, but also cringe-worthy at the same time for a few reasons. The term “blast” can imply unexpected aggression and a general lack of tact. And while we’re not advising our senders to stop sending email blasts (we provide software that allows for this exact type of sending), we think it’s time to reframe how we think about an email blast for good.
A safe email testing tool for staging and development, Mailtrap enables you to inspect and debug your email samples before delivering them to your customers. It helps you keep your email messages clear of spam filters and test HTML elements for compatibility with popular email clients. The Mailtrap blog also offers helpful information such as reviews of email deliverability testing tools.

Check out Pure360 – from their website it seems like they have both SMS services and integration with Salesforce. I can’t vouch for their service as I’ve never used it, although I did used to live about two minutes from their offices in Brighton! The other option would be something like Infusionsoft. I’m pretty certain that they have SMS functionality, and would be very surprised if they didn’t integrate with Salesforce.
Be sure to look at the tech support offered by each of these companies, as many weren't as available as we would have liked. You'll find that some offer 24/7 phone support, live chat, and email help, while others leave you to rely on online documentation and limited live support hours. The best services offer a combination of self-serve help resources—where you can search FAQs and articles to find your own answers—as well as live support via chat or phone when you can't solve an issue yourself. We cover all of these concerns in our reviews, plus you can get an overview in the feature chart above.
At worst, you might think I’m a bit weird for caring so much about sound quality. Or you might think I’m really weird if you knew that my loudspeakers are computer calibrated to my room. Or you might question my priorities if you knew I set up my office, so that my desk is nearly in the middle of it… mainly to be able to enjoy music better. But we’re all weird in some ways (and I’ll let you think this is the weirdest thing about me).

Crystal is a communication tool that enhances your emails by telling you anyone’s personality. Using Personality AI, a new technology that employs machine learning and artificial intelligence to predict personality based on someone’s online footprint, Crystal can help you better understand your audience, increase your open and response rates, and see higher conversion.
Mailjet is an all-in-one email marketing solution used for sending, tracking and delivering marketing and transactional emails. Some highlight features include its intuitive email editor (e.g. drag-and-drop and ready-to-use newsletter templates), personalisation, smart market segmentation, contact management, as well as a free plug-and-play email API.
I think this email also makes quite a brilliant use of responsive design. The colors are bright, and it's not too hard to scroll and click -- notice the CTAs are large enough for me to hit with my thumbs. Also, the mobile email actually has features that make sense for recipients who are on their mobile device. Check out the CTA at the bottom of the email, for example: The "Open Stitcher Radio" button prompts the app to open on your phone.
While email is the most mature (that sounds better than “old,” right?) form of digital marketing, there’s no shortage of marketing technology innovation in this area. Both startups and established vendors continue to develop new capabilities for formatting, targeting, sending, and monitoring the impact of email messages, as well as functions like list building, inbox management, video email, deliverability, branding, custom email signatures and more.
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