Customer.io is an email marketing tool that can be used by various different roles within your business including marketers, product managers and of course, growth hackers. Users can send targeted emails to your visitors on your website or to mobile app users depending on their activity. You are notified when they have read your email and/or if they click on one of the links. It also includes A/B Testing capabilities.
Emails triggered by milestones, like anniversaries and birthdays, are fun to get -- who doesn't like to celebrate a special occasion? The beauty of anniversary emails, in particular, is that they don't require subscribers to input any extra data, and they can work for a variety of senders. Plus, the timeframe can be modified based on the business model.

In our email marketing software review roundup, we test the top email marketing tools available based on how easy it is to create emails, build subscriber lists, set autoresponders, and pull in other communication-based tools, such as social media management, and web analytics software. To that end, we selected Campaigner and Mailchimp as the best pure-play email marketing services. If you need a more complex tool that can build comprehensive workflows designed to automate the email marketing process, then we recommend HubSpot and Salesforce Pardot, which are better served as marketing automation tools.
When people talk about email marketing, lots of them forget to mention transactional emails. These are the automated emails you get in your inbox after taking a certain action on a website. This could be anything from filling out a form, to purchasing a product, to updating you on the progress of your order. Often, these are plain text emails that marketers set and forget.
In addition to linking to Letter Shoppe's designs (available on merchandise that is ultimately sold by RedBubble), the email campaign includes an endearing quote by the Featured Artist: "Never compromise on your values, and only do work you want to get more of." RedBubble's customers are likely to agree -- and open other emails in this campaign for more inspiring quotes.

Want your link testing stream-lined? Put the email through a landing page test and within minutes, you’re going to get an overlay of that email with complete results for every link. The ESP tracking report inserts a tracking pixel in your email and you get subscriber data such as how and where the email was opened, how much time the user spent time reading it, and if it was organically forwarded or printed.


Be responsive: Emails need to look good across multiple devices. With over 50% of emails being opened on mobile, this is more important than ever. Look out for single column templates and test to see if it looks good on desktops, tablets, and phones. At DirectIQ, we offer the ability to test and preview your emails before you send them to your subscribers.
You work with a list provider to find and purchase a list of names and email addresses based on demographic and/or psychographic information. For example, you might purchase a list of 50,000 names and email addresses of people who live in Minnesota and don't have children. There are several sustainable ways to use email marketing to grow your business. This isn't one of them.
A tracking pixel is a snippet of code that allows you to track your subscribers’ activity across various channels like your website, landing pages, and newsletters. Then, you also have the option to send emails triggered by certain behaviors. So for example, if a subscriber goes to your site and checks out your product page, a tracking pixel can send an email with a special offer for the specific product the viewed.
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