Mailchimp Transactional Email (formerly Mandrill) is designed to allow users to deliver fast, personalized transactional emails using API or SMTP.
$0
per month
Sinch Mailgun
Score 6.5 out of 10
N/A
Mailgun is a transactional email API service which was owned and supported by Rackspace (acquired in 2012) and then spun off in 2017 as an independent and standalone entity. It is now supported by Sinch since that company's acquisition of Mailgun and Mailjet, through acquiring Pathwire.
Sendgrid offers a lot of the same features as Mandrill, but goes a lot further in helping you achieve maximum deliverability for your e-mails. They have a respectable free tier for sending as well as receiving emails, and their paid tiers are very reasonably priced.
What I like better about Mandrill than Mailgun is that Mandrill has integrated Template management. You can issue an email to be sent with a template and submit merge variables along with the email data. Doing this with Mailgun means you have to roll your own template …
They're both fairly comparable, though MailChimp made you jump through a few more hoops to use the service, though these were put in place to maintain server integrity in order to reduce bounce rates. I haven't seen a difference, so this was really more of a pain point than …
They have a great free tier for up to some amount of emails a month. Looks attractive when you are a new startup, but once you have customers and they go down, not so much.
Amongst the various transactional email vendors (Mandrill by MailChimp, SendGrid's transactional email product, Mailjet, etc.) they are all relatively similar. Mailgun stands out in that it has one of the more generous free tiers and therefore is a strong choice for small …
I've tried SES. It had spotty deliverability and AWS has fiddly docs and apis. I tried a few others and while some worked well, they had neither the exposure or maturity to make me confident in using them in a production app. Out of all the products that I have tried that offer …
We went with Mailgun because they had fantastic APIs and libraries (Ruby in our case) and because their pricing was among the best of all services that we evaluated.