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.


Sample review: “After using it (Sortd), you’ll be hard-pressed to imagine this tool isn’t going places. Create custom columns, such as ‘To-do,’ ‘Follow Up,’ or ‘FYI’ — the possibilities are nearly endless. Then, when an email comes in, simply drag it to the appropriate column. You can even set reminders, add notes, or change the title of the email. You can also set individual emails to “snooze” so that they are relegated to the bottom of your list until the snooze is over, at which point it pops back up at the top.” — B2B PR Sense Blog


The downside of just making offers is that they’re not useful on their own. People on your list won’t receive any value from you unless they buy what you’re promoting, so they have little reason to stay subscribed. That’s why this email marketing strategy doesn’t work alone. And it’s why many e-commerce sites struggle to keep people interested. There are a few exceptions (e.g., Groupon) that rely entirely on making offers—but then the reason people joined the list was specifically to receive those offers.
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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