Partners and Integrations

Building a world-class email platform means working with the best partners in the world

Email Service Partners

Using your own, Enterprise-level digital messaging service? No problem. Contact us to explore your options.

Our most popular email delivery service partner, SendGrid delivers more than 20 billion emails each month for brands like Uber, Spotify, and Foursquare. SendGrid offers pay-as-you go pricing, high deliverability, and optional dedicated IP addresses.

SparkPost powers many of the highest volume senders in the world, including Pinterest, Groupon, PayPal, Comcast, Twitter, and LinkedIn.

Mailgun, from Rackspace, provides a developer-focused email delivery service used by many leading brands, including Goldstar, Starbucks, and Lyft.

Mailjet is a powerful all-in-one email service provider that enables online businesses to send transactional and marketing email. Mailjet's intuitive tools and powerful APIs give senders the right amount of analytics to get the most value from each recipient, campaign, and inbox.

Trusted by thousands of developers, Postmark is a fast and reliable transactional email service. Send with Postmark to ensure your transactional emails get to the inbox on time, every time.

Technology Providers

Long the gold standard for previewing emails on a wide variety of devices, Sendwithus’s Litmus integration makes it easy to test each of your emails before sending. Included at no additional charge on all paid accounts.

When it comes to email deliverability, keeping a close eye on your sender reputation is absolutely critical. 250ok’s suite of reputation management tools, including seed list testing and blacklist monitoring, gives you everything you need to ensure your emails land in the inbox. Contact the Sendwithus support team for special offers.

Ensuring your subscriber list is clean of outdated email addresses is critical to maintaining a great sender reputation. Kickbox’s two services, one focused on verifying lists on a batch basis, the other focused on validating email addresses at point of capture, are key tools to ensure that every email address you have is up to date. Contact the Sendwithus Support team for special offers.

Looking to create your own responsive email templates to use with Sendwithus? Start with a great email framework, like ZURB’s Foundation for Emails. You might also like ZURB University’s great master class on Responsive Emails.

Service Providers

The email design experts at MailBakery handcraft beautiful, responsive templates that make transactional emails look stunning. They’ll also turn your PSD into an amazing HTML template. Contact the Sendwithus Support team for special offers.

Whether you are looking to have a PSD converted into a responsive HTML template, or need a full-stack development partner, XFive provides a broad array of services at reasonable rates.

Email Monks is a leading email design and HTML coding company, offering responsive email template design and HTML coding.