
Cloud emailing software usually handle transactional, marketing, bulk email, mass email (newsletters). These services help you to send these emails without having to configure and manage mail servers, ensuring you to have state of the art configuration to ensure email deliverability. Your application can usually use SMTP protocol using their SMTP Relay, or use a specific API.
Transactional email is an expected email because it has been triggered automatically after a transaction or a specific event. Common examples of transactional emailing is : account opening and welcome message, order shipment confirmation, shipment tracking and purchase order status, registration via a contact form, account termination, payment confirmation, invoice...
These messages are especially important for ecommerce, shopping sites... (crucial step of the customer relationship : the customer would be really disappointed if he never receives the expected email). The deliverability criteria is really important.
This detailed comparison table will help you to choose your cloud emailing solution. Most of them have a free plan (such as Mailjet, Sendgrid...), it could be a good opportunity to test several providers before choosing one email sender.
| Amazon SES | CritSend | Dyn | Elastic Email | Mailchimp STS (SES wrapper) | Mailgun | Mailjet | MessageGears | PostageApp | Postmark | SendGrid | turboSMTP | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Logo | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Website | http://aws.amazon.com/ses/ | http://critsend.com | http://dyn.com/email/ | http://elasticemail.com/ | http://mailchimp.com/features/simple-transactional-service/ | http://mailgun.net | http://www.mailjet.com | http://messagegears.com | http://postageapp.com | http://postmarkapp.com/ | http://www.sendgrid.com | http://www.turbo-smtp.com |
| Like | ||||||||||||
| Technical details | ||||||||||||
| SMTP support | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes SMTP server provided, use API to send! | Yes | Yes | Yes |
| Realtime | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | Yes |
| Send transactional emails | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Send bulk emails | Yes | Yes | Yes | Yes | Yes | Yes | Yes Real, bulk API allowing up to millions of personalized emails to be sent from a single API call. | Yes Multiple recipients per API call supported. | No | Yes | Yes | |
| SPF | Yes Yes Instructions on how to set it up on your domain are given. | Yes | Yes | Yes | Yes | Yes | Yes | Yes Instructions on how to set it up on your domain are given. | Yes | Yes | ||
| Automatic DKIM signing | No recommends not to sign certain headers | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |||
| Personalized SPF & DKIM for free (no more "on behalf of" ) | No | Yes | Yes | No | Yes | Yes | Yes | Yes | No | |||
| Open Tracking | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | |
| Click Tracking | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Yes | |
| File Attachments | Yes Up to 10 MB | Yes up to 20 MB | Yes | Yes Possible via SMTP | Yes | Yes | Yes up to 10 MB | |||||
| Message Personalization | Yes | Yes | Yes | - Not through web newsletter creator | Yes Freemarker, Velocity | Yes | Yes | |||||
| Conditional Personalization (if/else) | Yes | Yes | - Not through web newsletter creator | Yes Freemarker, Velocity | Yes | |||||||
| WYSIWYG Newsletter Editor | No | No | Yes | No | Yes | Yes | No | No | Yes Newsletter app available on Silver plan and higher | |||
| HTML Content Templates (WYSIWYG Editor) | Yes | Yes | Yes | Yes | ||||||||
| Dedicated IP available | No | Yes but not as good as our shared cluster since shared cluster is way ahead of state of the art | Yes | Yes | No | Yes | Yes | Yes | Yes For Owl plans and up! | Yes | Yes | Yes |
| Pricing | ||||||||||||
| Free plan | 2,000 emails per day for EC2 users | 1,000 emails, no time limit | no free plan. | first 1000 | Yes; Mailchimp don't charge on top of Amazon's rates. | 200 emails per day | 6,000 emails per month, max 200 per 24 hours | First 1,000 per month are free. | 100 emails per day, 1000 emails per month | 1,000 emails, no time limit | 200 emails per day | up to 1,000 free emails available on request |
| Price | 0.1 USD per thousand, plus traffic charges | 0.28 USD to $0.50 per thousand | 19.95 USD year - $195/mo | 0.08 USD to $1.00 USD per thousand | 0 USD (free for paying mailchimp customers) (amazon SES rates apply) | 0.1 USD to 1.00 per thousand | 0.18 USD to $0.60 per thousand | 0.25 USD to $1.00 per thousand for SMTP Relay service. | 0.4 USD to $1.00 per thousand | 1.5 USD per thousand | 0.1 USD to $1 USD per thousand | 0.8 USD to $1.40 USD per thousand |
| Currency | USD | USD, EUR | USD | USD | USD | USD, EUR, GBP | USD | USD | USD | USD | USD, EUR | |
| API | ||||||||||||
| REST API | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Event API | No | Yes | Yes | Yes | Yes | Yes Using Amazon SQS | No | Yes | Yes | |||
| Manage contacts through API | No | Yes | Yes | |||||||||
| Send email through API | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Support | ||||||||||||
| 24/7 Support | Yes | Yes | Yes Dependent on plan level | Yes | Yes For Pro Plans | Yes | Yes After hours support for critical incidents. | No | No | Yes only for critical incidents | ||
| Dedicated Support Team | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | |
| Additional | ||||||||||||
| Introduction Video | http://www.youtube.com/watch?v=EKnK54TAKWg | http://www.youtube.com/watch?v=I9kdciO-q-8 | http://vimeo.com/23283604 | |||||||||
| Plugins | Yes Prestashop, Wordpress, Dotclear, SPIP, Joomla, Drupal | Yes Java and .Net SDKs | Yes Ruby on Rails, PHP, CodeIgniter, CakePHP, Node.JS, and many other third party plugins | |||||||||
| Launch date | 2011-01-25 | 2007-01-01 | 2011-01-01 | 2010-01-01 | 2011-02-02 | 2010 | 2011-01-26 | 2009 Jan | 2010-08-16 | 2009-10-21 | 2009-04-28 | 2010 |
| Emails sent per month | 500000000 | 30000000 | 150000000 | 40000000 | 3500000000 | |||||||
| Languages | English, French, German, Japanese, Spanish | English (support in French, English, German, Greek) | English | English | English | English | English, French, German, Spanish | English | English | English | English | English, Espanol, Français, Italiano, Portugues |
| http://twitter.com/amazonses | http://www.twitter.com/critsend | http://twitter.com/dyninc | http://www.twitter.com/mailchimp | http://twitter.com/mail_gun | http://twitter.com/mailjet | http://twitter.com/messagegears | http://twitter.com/postagebird | http://twitter.com/postmarkapp | http://twitter.com/SendGrid | http://www.twitter.com/turboSMTP | ||
| Last update | 2012-03-26 18:32:15 | 2012-03-11 21:56:26 | 2012-02-10 09:32:55 | 2012-02-14 16:17:44 | 2012-02-10 09:33:35 | 2012-04-30 17:40:45 | 2012-04-03 02:42:50 | 2012-02-21 23:51:49 | 2012-02-11 19:46:13 | 2012-02-10 09:32:56 | 2012-05-14 23:42:01 | 2012-02-20 18:14:08 |
| Website | http://aws.amazon.com/ses/ | http://critsend.com | http://dyn.com/email/ | http://elasticemail.com/ | http://mailchimp.com/features/simple-transactional-service/ | http://mailgun.net | http://www.mailjet.com | http://messagegears.com | http://postageapp.com | http://postmarkapp.com/ | http://www.sendgrid.com | http://www.turbo-smtp.com |
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