Mandrill vs Postal: What are the differences?
What is Mandrill? Send transactional, triggered, and personalized email, then track results. Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.
What is Postal? Open source mail delivery platform, alternative to Mailgun or Sendgrid. Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready for you to run on your own servers. Postal was developed by aTech Media to serve its own mail processing requirements and we have since decided that it should be released as an open source project for the community.
Mandrill and Postal can be primarily classified as "Transactional Email" tools.
Postal is an open source tool with 9.02K GitHub stars and 533 GitHub forks. Here's a link to Postal's open source repository on GitHub.
What is Mandrill?
What is Postal?
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We've moved our transactional email away from Mandrill to Mailgun. We had continued using Mandrill after Mailchimp deprecated the service awhile back, because the amount of credits we were offered essentially made it free.
However, following a couple weeks of frequent downtime and poor service transparency from Mandrill, we decided it was time to make the switch. It appears they no longer had any engineers with the ability to identify the core problems.
Mailgun has been more reliable, yet not as reliable as we expected. We still see issues a few times per week with the API failing when we attempt to make a call. The Reporting UI is way better.
This is by far the best way to send emails. I learned the API in under 15 minutes and started sending email right then. And best of all, it's completely free to use them for me! They give you 12,000 emails/month for free. I don't have to send much email, so I've never paid a cent. I highly recommend them.
We use Mandrill to send transactional emails and newsletters. We've just moved from SendGrid as Mandrill has far better support for templates and also integrates really nicely with MailChimp where we can design the emails.
We started off with AWS SES, but found it to be lacking in diagnostics and reporting. Mandrill is a quantum leap forward in this regard. Has some other really neat features carried over from MailChimp (templating).
We use Mandrill to handle all transactional emailing - from welcome letters to password reminders to notifications.
Mandrill is used to send out all e-mail from the application and any tools and services in our infrastructure.