Post Mortem: Sept 5th, 2014

On September 5th, 2014, Sendwithus rolled out a major infrastructure upgrade aimed at increasing API throughput and email delivery times. Update: All affected customers were notified and the issue was fully resolved. 

Introducing Drip Campaigns 2.0

We’re proud to announce the launch of our new and improved drip campaigns. We’ve completely redesigned them to give you a more flexible and intuitive experience that we’re really excited to roll out to everyone.

Python Templating Performance Showdown: Django vs Jinja

A few weeks ago, we announced that we would be upgrading our templating language from Django to Jinja and discussed some of the reasons for doing so. At the time we promised a follow-up with more depth on the technical details. Today we’re here to fulfill that promise. As mentioned previously, the three big reasons we’re upgrading

Sendwithus is Upgrading to Jinja

**UPDATED: See our latest Jinja v. Django Benchmarks, here** TL;DR – We’re switching to Jinja Templating. This won’t affect your existing templates and promises great new features to come. =] Since the beginning, Sendwithus has used the Django Templating Language to power your email templates. This decision came with a lot of advantages; Django Templating is

Viewing Archived A/B Tests

We’ve updated sendwithus A/B testing to give you access to completed and archived test results! Now you can compare new tests against old ones, and make sure your A/B tests have long-lasting effect. You’ll find your archived A/B test results right below your active A/B tests on the A/B Testing page. Here’s a quick screenshot

Announcing Sendwithus+Postmark Partnership

Sendwithus customers are amazing. We launched over a year ago and in that time we’ve met so many amazing marketers who wanted to take control of their transactional email. When you want to manage email templates outside of source code, we’ve got you covered with the best templating solution available. Bells and whistles like A/B Testing,

We’re Partnering with SendGrid to Make Transactional Email Even Easier

We’ve got some big news to share today. We’ve partnered with our friends at SendGrid, the industry leader in email delivery. SendGrid is a cloud-based platform based in Boulder, CO. They solve the problem of email delivery at scale by delivering emails on behalf of companies. Since graduating from the TechStars accelerator in 2009, they