
Comparison of the cloud email services that provide transactional email or bulk email software. (marketing software to manage mass email such as 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 email 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 chart will help you to choose your cloud email solution for bulk email or transactional email. Most of them have a free plan, it will help you to test several email sender before deciding which one is the best for your needs.
| Mailjet | SendGrid | Mailgun | SocketLabs | CritSend | Elastic Email | Mandrill | Postmark | PostageApp | turboSMTP | AlphaMail | Amazon SES | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Logo | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Website | http://www.mailjet.com | http://www.sendgrid.com | http://mailgun.com | http://www.socketlabs.com | http://critsend.com | http://elasticemail.com/ | http://mandrill.com | http://postmarkapp.com/ | http://postageapp.com | http://www.serversmtp.com | http://amail.io | http://aws.amazon.com/ses/ |
| Like | ||||||||||||
| Technical details | ||||||||||||
| SMTP support | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes SMTP server provided, use API to send! | Yes 24/7 Multilanguage Support | No NoSMTP (coined!) | Yes |
| Realtime | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Send transactional emails | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Incoming Email Support | Yes | Yes Parse inbound email, including attachments and content. See docs.sendgrid.com for webhook examples. Supported by Griddler: https://github.com/thoughtbot/griddler | Yes Parse emails, including attachements and quoted text. Easily forward using different expression matches, including regex, and POST to HTTP. Supported by Griddler: https://github.com/thoughtbot/griddler | Yes Parses inbound, can be handled by griddler: https://github.com/thoughtbot/griddler | Yes Handles inbound, can be parsed by griddler: https://github.com/thoughtbot/griddler | No | No | |||||
| Send bulk emails | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No Multiple recipients per transactional email per the API or SMTP | Yes | Yes | No | Yes |
| SPF | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes Helping customers to get started. | Yes Yes Instructions on how to set it up on your domain are given. |
| Automatic DKIM signing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Personalized DKIM for free (no more "on behalf of") | Yes | Yes Upgrade to a Silver plan or higher to get personalized DKIM | Yes | Yes Must contact support | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Open Tracking | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | |
| Click Tracking | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | |
| Clicks Details (per Link, etc.) | Yes | Yes Via real-time Event API webhook | Yes Reporting available both through Control Panel and API | No | Yes | |||||||
| File Attachments | Yes Possible via SMTP | Yes up to 10 MB | Yes up to 25 MB | Yes up to 30mb | Yes up to 20 MB | Yes up to 15 MB | Yes up to 10 MB | Yes up to 10 MB | Yes | Yes up to 1 MB | No | Yes Up to 10 MB |
| Message Personalization | - Yes but, not through web newsletter editor | Yes | Yes | Yes | Yes | Yes | Yes Templates can be set up and then controlled via the API | Yes With their template language Comlang. | ||||
| Conditional Personalization (if/else) | - Yes but, not through web newsletter editor | Yes | Yes | Yes | Yes Arrays, Loops, Conditionals supported | Yes With their template language Comlang. | ||||||
| WYSIWYG Newsletter Editor | Yes Available for free, with any plan (Free plan included) | Yes +$0,25 per thousand, in addition to monthly package | No | No | Yes | Yes | No | Yes Modular drag-and-drop editor. | No | |||
| HTML Content Templates (WYSIWYG Editor) | Yes | Yes | Yes | Yes | Yes JSON data can be passed to templates via API to separate email design from the application | Yes | ||||||
| Dynamic Images | Yes http://comfirm.se/blog/apply-html5-and-css3-graphics-in-transactional-email/ | |||||||||||
| Dedicated IP available | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes For Owl plans and up! | Yes | Yes Yes, on request. | No |
| Pricing | ||||||||||||
| Free plan | 6,000 emails per month, max 200 per 24 hours | 200 emails per day (and up to 40,000 emails a month bundled free via select integration partners) | 200 emails per day | 500 emails per month | 50,000 emails, no time limit | first 1000 | 12,000 emails/month, no daily limit | 1,000 emails, no time limit | 100 emails per day, 1000 emails per month | up to 1,000 free emails available on request | 6,000 emails/month, no daily limit. | 2,000 emails per day for EC2 users |
| Price | 0.18 USD to $0.50 per thousand | 0.1 USD (without email tracking) to $1 USD per thousand | 0.1 USD to 1.00 per thousand | 0.49 USD to $3.90 per thousand | 0.28 USD to $0.50 per thousand | 0.08 USD to $1.00 USD per thousand | 10 USD /month for first 40,000. $0.40 per thousand emails for high volume | 1.5 USD per thousand | 0.4 USD USD to $0.90 per thousand | 0.8 USD to $1.40 USD per thousand | 0.24 USD per thousand (all features included) | 0.1 USD per thousand, plus traffic charges |
| Custom-Pricing For Big Senders | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Currency | USD, EUR, GBP | USD | USD | USD | USD, EUR | USD | USD | USD | USD | USD, EUR | USD | USD |
| Cancellation policy | Cancel any time, no contract | Cancel at any time, no contract | Cancel any time, no contract | Cancel any time, no contract | No contract | Cancel any time, no contract | Cancel any time, no obligations | Cancel any time, no contract | Pay for what you send; no required contract or commitments. | |||
| API | ||||||||||||
| REST API | Yes | Yes Yes, for our Bronze plan and higher (and Free plan too) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Event API | Yes | Yes Yes, for our Silver plan and higher (and Free plan too) | Yes | Yes | Yes | Yes | Yes | No | No | |||
| Manage contacts through API | Yes | Yes See our Newsletter API at http://docs.sendgrid.com | Yes | Yes | Yes Edit active/inactive addresses by API. | Yes Set deliverable status via API. | No Transactional Email only - no data stored about recipients | |||||
| Send email through API | Yes | Yes | Yes | Yes labeled as a Beta feature | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Sub-user API | Yes | Yes Yes, for our Silver plan or higher | Yes Per-project account access and API sandboxing | No | No | |||||||
| Support | ||||||||||||
| 24/7 Support | Yes | Yes After-hours support is for critical incidents | Yes For Pro Plans | Yes After hours support for critical incidents. | Yes | Yes | Yes Support by email around the clock. | Yes After hours support for critical incidents. | Yes Live Chat, Tickets, Phone, Skype | Yes By email | Yes | |
| Dedicated Support Team | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Phone Support | - For VIP clients | Yes During regular business hours for all plan levels, including "Free." | - For First-class plans | Yes During regular business hours for all plan levels | No | No | No | No | Yes During regular business hours for all plan levels | Yes 24/7 | No | - Available with paid support plan |
| Additional | ||||||||||||
| Multi-user Login | Yes | Yes | Yes | No | No | No | Yes | No | ||||
| Prioritize emails | Yes Tag in the headers | Yes Add preferred time of delivery which can prioritize or schedule for later. | No | No | ||||||||
| Introduction Video | http://www.youtube.com/watch?v=I9kdciO-q-8 | http://vimeo.com/23283604 | http://vimeo.com/39005068 | http://www.youtube.com/watch?v=arbzp2blUw8&hd=1 | http://www.youtube.com/watch?v=EKnK54TAKWg | |||||||
| User-Agent Tracking | Yes | Yes | Yes | |||||||||
| Plugins | Yes Prestashop, Wordpress, Dotclear, SPIP, Joomla, Drupal | Yes Most major languages and frameworks | Yes Most major languages, frameworks, and platforms | Yes http://developer.postmarkapp.com/developer-libs.html | Yes Ruby on Rails, PHP, CodeIgniter, CakePHP, Node.JS, and many other third party plugins. http://dev.postageapp.com/pages/plugins.html | Yes Magento, Zapier, 7+ client libraries for various languages/frameworks | ||||||
| Launch date | 2011-01-26 | 2009-04-28 | 2010 | 2009-08-01 | 2010-01-01 | 2010-01-01 | 2012 April | 2009-10-21 | 2010-08-16 | 2010 | 2011 | 2011-01-25 |
| Emails sent per month | 300000000 | 7000000000 (7 Billion) in December 2012 | 500000000 | 100000000 | ||||||||
| Languages | English, French, German, Spanish | English | English, French, Russian | English | English (support in French, English, German, Greek) | English | English | English | English | English, Espanol, Français, Italiano, Portugues, German, Russian, Arabic, Ukrainian | English | English, French, German, Japanese, Spanish |
| http://twitter.com/mailjet | http://twitter.com/SendGrid | http://twitter.com/mail_gun | https://twitter.com/socketlabs | http://www.twitter.com/critsend | http://twitter.com/mandrillbeta | http://twitter.com/postmarkapp | http://twitter.com/postagebird | http://www.twitter.com/turboSMTP | https://twitter.com/amailapp | http://twitter.com/amazonses | ||
| Last update | 2013-03-28 08:27:38 | 2013-04-28 04:58:21 | 2013-05-09 02:12:07 | 2013-03-22 16:03:04 | 2013-05-10 09:48:47 | 2013-01-23 22:45:23 | 2013-04-22 00:57:42 | 2013-04-22 00:57:42 | 2013-04-23 12:00:31 | 2013-03-26 12:52:59 | 2013-03-07 18:07:28 | 2013-03-28 08:27:38 |
| Website | http://www.mailjet.com | http://www.sendgrid.com | http://mailgun.com | http://www.socketlabs.com | http://critsend.com | http://elasticemail.com/ | http://mandrill.com | http://postmarkapp.com/ | http://postageapp.com | http://www.serversmtp.com | http://amail.io | http://aws.amazon.com/ses/ |
| Sample Customers | MIT, Fotolia, TheFancy, eBuzzing, Alittlemarket... | Pinterest, Spotify, Foursquare, Pandora, Hootsuite, Uber, Kickstarter, Air BnB | Github, Heroku, Uservoice, Stripe, 37 Signals, Parse, Adroll, Pagerduty | Intuit, IBM, ADP, Crutchfield, Warner Bros, Red Cross, Virgin, Ohio University | ||||||||
| Sample Integration Partners | Windows Azure, HP Cloud, Softlayer, Rackspace, Heroku, Engineyard, Cloudbees | Rackspace (owner), Heroku, Engineyard, AppFog |
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