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Preview your HTML emails & marketing templates

Creating beautifully designed email messages won’t do you much good if you don’t take the time to preview your HTML email before you send it out to your massive list.

Email preview as part of your email marketing process

The more sophisticated your email design is, the more likely that your recipients may have problems viewing it, the more you need email testing. Using a tool that lets you test your email template and see an email preview as it would appear on a variety of email clients will allow you to take steps to get your coding just right before proceeding with your email sending. It’s not enough to send a test email to yourself on Gmail—it might look different for AOL mail users, on Apple mail, on tablet (iPad), or on mobile devices (IOS, Android, iPhone 8, iPhone X, etc). You want to be sure to cover all of your bases. Just like it’s important to use an email service to help ensure that your email list is robust and helps with deliverability, you want to make sure that the content and design of your HTML/CSS email or customized template aren’t all jumbled up.

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Why HTML email preview is important

For starters, your email developer, editor, and designer worked really hard to make your HTML email look amazing, so it would be a shame if it looked funky on one or more of the popular email clients. Just think of all the potential hours wasted if you don’t test or use an email preview service. Your end customer will be turned off if they see a catchy subject line, open your email marketing message and it’s full of broken images, weird characters, and confusing layouts. This might cause them to unsubscribe from your email list, and it can hurt your sender reputation. By using an email preview tool in addition to your email marketing service, you can test your email design to make sure it’s perfect for all of the different email clients.

A graphic illustration of mobile email templates.

Making email preview part of your strategy

While it is possible to run an email template test yourself, it can be very time-consuming. Think about it – it could look very different if it’s on Yahoo mail!, Microsoft Outlook, Gmail by Google, or another service, and who has time to test every possibility? That’s where email preview tools come in. As an email marketer, they will give you a snapshot of how your email will look on the most popular email clients so you can spot potential issues before sending your email campaign widely. How about one solution that powers all that for you?

  • Mailjet lets you build your marketing emails thanks to a great email builder. If you prefer coding, keep using HTML or discover MJML the framework that makes responsive email easy. Mailjet’s advanced email builder lets you upload your HTML or MJML, preview it and modify your code while having a WYSIWYG screen.

  • Once it’s all set, click on “preview my email” to check the responsiveness of your email campaign on the platform and send tests (different views for desktop clients, tablet, and mobile).

  • For Enterprise clients, Inbox Preview offers you the ability to verify how your email is displayed across 30+ email clients and devices, so you don’t have to multiply services and providers.

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Once your message is ready, make sure it gets delivered

After using your email testing tool, now you’re ready to send your email campaign. To ensure that your perfect message doesn’t get bounced back or flagged as spam, consider working with a solution that offers services including email validation, reputation management, and email performance monitoring. Mailjet and Mailgun can help power successful email marketing campaigns and transactional emails, while providing best-in-class deliverability. From crafting the perfect message and making sure it will look good for all clients, to validating your email list and tracking performance, a start-to-finish email plan will help you maximize results. Learn more about how Mailgun and Mailjet can ensure that your perfect emails land in your customers’ inboxes.

Other features

Explore beyond HTML email

Mailgun has a variety of features for companies to improve their HTML emails.

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