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Postmark vs sendwithus: What are the differences?
Postmark: Email delivery for web apps - done right. Postmark removes the headaches of delivering and parsing transactional email for webapps with minimal setup time and zero maintenance; sendwithus: Email automation for developers + testing and analytics for marketers. Send email from your app with a simple API call, Sendwithus manages the rest. Templates, testing, data management, segments, and analytics are all accessible through a friendly dashboard.
Postmark and sendwithus can be categorized as "Transactional Email" tools.
Some of the features offered by Postmark are:
- Create a new virtual server- Instant access to our infrastructure, no waiting required. Create as many servers as you want, for each of your web applications and environments.
- Drop code into your app- Swap in our SMTP endpoint, or get started with our APIs using one of our send API libraries for Ruby, Rails, .NET, Python, PHP, and more.
- Send emails and track delivery- A beautiful interface to monitor volume, bounces, spam complaints, and send activity. View full email content to troubleshoot issues.
On the other hand, sendwithus provides the following key features:
- A/B testing
- analytics
- click tracking
"Simple" is the primary reason why developers consider Postmark over the competitors, whereas "Easy setup" was stated as the key factor in picking sendwithus.
Swat.io, Docplanner, and Walls.io are some of the popular companies that use Postmark, whereas sendwithus is used by StackShare, CodeCombat, and Homejoy. Postmark has a broader approval, being mentioned in 67 company stacks & 15 developers stacks; compared to sendwithus, which is listed in 34 company stacks and 5 developer stacks.
We chose Postmark as our transactional email service for several reasons:
Laser-focus (at the time) on transactional email - their success/speed/reliability with delivering transactional email is amazing. Note, they have now branched out and offer marketing/broadcast email services too.
Developer-friendly - Awesome docs and resources. Their Rail gem integrates directly with ActionMailer so nearly all of our code worked without changes.
Servers - You can set up "Servers" for different mail streams/workflows to keep things separate and easy to review.
Bootstrapped - Wildbit (who makes Postmark) is bootstrapped just like the Friendliest.app and they offer a service credit to other bootstrapped startups.
Of course we chose Coresender to send our own transactional emails :) So I thought I'll let you know how we use it.
We set up separate sending accounts for all company needs, eg. transactional emails, monitoring alerts, time to inbox. We even configured our office printers to send emails through Coresender.
We have a real-time and extremely usable view into what emails go through each account, so each time anybody reports an email not arriving we're able to assist them in a few seconds
We utilize our message timeline feature, so we can learn eg. if people are clicking on password reset links
We always know how many of our onboarding emails are being opened which helps us improve them
Finally, we have full controll over our suppressions lists, so we can add (and remove!) from them whenever necessary.
To sum up, at Coresender we're eating our own dogfood and it helps us stay connected to the product and understand our customers better.
While building our authentication system, we originally picked Mailgun. However, emails took minutes to arrive and some of them didn't get delivered - or got delivered to spam.
We started looking for a new provider, and settled on Postmark. We love that they track time-to-inbox, it makes me feel they really care about going above and beyond to provide a good service.
Pros of Postmark
- Simple18
- Great analytics10
- Email, done right8
- Easy setup5
- Heroku Add-on5
- Can review sent messages2
- Very inexpensive1
- Exceptional support1
- Pay per message1
- Great support1
Pros of sendwithus
- Easy setup10
- Replacement tokens/templated emails8
- Great analytics7
- Html template editor7
- Works with sendgrid/mandrill/mailgun7
- Free tier6
- Very responsive and friendly support team4
- Easy A/B testing3
- Excellent api documentation2
- Live database integration1
- Reliable1
- Conversion tracking1
- Redshift integration1
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Cons of Postmark
- No 24x7 support1
Cons of sendwithus
- Conversions don't quite seem to work1
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What is Postmark?
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