Enlace	Amazon SES	SendGrid	Mandrill	Mailgun	SparkPost	Postmark	Brevo
Imagen
Sitio web	amazon.com/...	sendgrid.com	mandrill.com	mailgun.com	sparkpost.com	postmarkapp.com	brevo.com
Detalles técnicos
SMTP support	Sí	Sí	Sí	Sí	Sí	Sí Globally redundant SMTP and API infrastructure	Sí
Realtime	Sí	Sí	Sí	Sí	Sí	Sí	Sí
Send transactional emails	Sí	Sí	Sí	Sí	Sí	Sí	Sí
Incoming Email Support	Sí	Sí Parse inbound email, including attachments and content. See docs.sendgrid.com for webhook examples. Supported by Griddler: https://github.com/thoughtbot/griddler	Sí Parses inbound, can be handled by griddler: https://github.com/thoughtbot/griddler	Sí 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	Sí	Sí Handles inbound, can be parsed by griddler: https://github.com/thoughtbot/griddler	Sí
Send bulk emails	Sí	Sí	Sí	Sí	Sí	No Multiple recipients per transactional email per the API or SMTP	Sí
SPF	Sí Yes Instructions on how to set it up on your domain are given.	Sí	Sí	Sí	Sí	Sí	Sí
Automatic DKIM signing	Sí	Sí	Sí	Sí	Sí	Sí	Sí
Personalized DKIM for free (no more "on behalf of")	Sí	Sí Upgrade to a Silver plan or higher to get personalized DKIM	Sí	Sí	Sí	Sí	Sí
Open Tracking	No	Sí	Sí	Sí	Sí	Sí	Sí
Click Tracking	No	Sí	Sí	Sí	Sí	No	Sí
Clicks Details (per Link, etc.)		Sí Via real-time Event API webhook		Sí Reporting available both through Control Panel and API	Sí Through webhooks real-time event reporting.		Sí
Messages personnalisables	No	Sí	Sí	Sí	Sí		Sí
Personnalisation conditionnelle (if/else)			Sí	Sí	Sí		Sí
WYSIWYG Newsletter Editor	No	Sí +$0,25 per thousand, in addition to monthly package	Sí	No	- only with "Elite for Marketers" plan	No	Sí Available for free with all the plans
HTML Content Templates (WYSIWYG Editor)	No	Sí	Sí		Sí		Sí
Dedicated IP available	No $25 per month for EC2 users	Sí	Sí $29 per month	Sí $59 per month	Sí	No Shared IPs. They believe shared IPs are preferable to dedicated.	Sí Gold or Higher Plan
Precios
Free plan	62,000 emails per month for EC2 users	45 day free trial, 12,000 per month, 400 emails per day	N/A (Since re-integration with Mailchimp)	10,000 free per month	15,000 emails per month	25,000 emails, no time limit	9,000 emails per month, max 300 per 24 hours
Precio	$ 0.1 per thousand, plus traffic charges. $0.12 per GB of attachments sent.	$ 0.57 to $0.80 USD per thousand	$ 10 for cheapest MailChimp account + $20 per month minimum charge	$ 0.1 to $0.50 per thousand	$ 0.2 to $0.15 per thousand, depending on volume	$ 0.5 to1.50 USD per thousand	$ 0.13 to $0.67 per thousand
Custom-Pricing For Big Senders	No	Sí	Sí	Sí	Sí	Sí	Sí
Divisa	USD	USD	USD	USD	USD	USD	USD, EUR, GBP, MXN, ARS
Cancellation policy	Pay for what you send; no required contract or commitments.	Cancel at any time, no contract	Cancel at any time, no contract	Cancel any time, no contract	Cancel any time, no contract, month-to-month	Cancellation must be issued via the Service. Any cancellation issued must be done three (3) days prior to the end of the contract term.	Cancel at any time, no contract
API
REST API	Sí	Sí Yes, for our Bronze plan and higher (and Free plan too)	Sí	Sí	Sí	Sí	Sí
Event API	Sí you can set up Amazon SES to publish email sending events to Amazon CloudWatch or Amazon Kinesis	Sí Yes, for our Silver plan and higher (and Free plan too)	Sí	Sí	Sí Via Webhooks	Sí	Sí
Manage contacts through API		Sí See our Newsletter API at http://docs.sendgrid.com		Sí	Sí	Sí Edit active/inactive addresses by API.	Sí
Send email through API	Sí	Sí	Sí	Sí	Sí	Sí	Sí
Support
24/7 Support	Sí Basic: Included, Developer: $49/month, Business & Enterprise prorated.	Sí Online ticket generation.		Sí Online form submission.	Sí	Sí Support by email around the clock. Live chat.	Sí Online form submission
Dedicated Support Team	Sí	Sí	Sí	Sí	Sí	Sí	Sí
Phone Support	- Available with paid support plan	Sí During regular business hours for all plan levels, including "Free." Critical and Escalation Support available 24/7	No	- For First-class plans	Sí	No	Sí
Headquartered	Seattle, WA	CO - CA		San Francisco, CA	San Francisco, CA	Parent Company: Wildbit - Philadelphia, PA	Paris, France
Additional
Multi-user Login	Sí	Sí	No		Sí	No
Prioritize emails			Sí Use the important option (API) or X-MC-Important (SMTP) to flag important messages and give them priority over other messages you're currently sending. https://mandrill.zendesk.com/hc/en-us/articles/205582647	Sí Add preferred time of delivery which can prioritize or schedule for later.	Sí		Sí
User-Agent Tracking		Sí		Sí	Sí		Sí
Plugins			Sí Most major languages, frameworks, and platforms	Sí Most major languages and frameworks	Sí Node, PHP, Python & More, see http://developer.sparkpost.com	Sí http://developer.postmarkapp.com/developer-libs.html	Sí PrestaShop, WordPress, Magento, Drupal, Zapier, Salesforce
Idiomas	English, French, German, Japanese, Spanish	English	English	English, French, Russian	English	English	English, French, Spanish, Portuguese, Italian, German
Sample Customers	SIEMENS, HBO, Vodafone, Allergan	Spotify, Foursquare, Pandora, Hootsuite, Uber, Kickstarter, Air BnB, GitHub		Github, Heroku, Uservoice, Stripe, 37 Signals, Parse, Adroll, Pagerduty	Pinterest, Zillow, Financial Times of London, Career Builder	IKEA, Minecraft, Livestream, Unicef, Litmus, Salesforce-Desk	BMW, Fleury Michon, Sodebo, Cora, Leroy Merlin, etc.
Sample Integration Partners		Windows Azure, HP Cloud, Softlayer, Rackspace, Heroku, Engineyard, Cloudbees	Mailchimp	Rackspace (owner), Heroku, Engineyard, AppFog	Heroku, SendWIthUs, OnGage, Iterable, boomtrain, kickbox, HP Exstream, Lytics, Infacta, Movable Ink, Zapier & More: sparkpost.com/...		ThriveThemes
Sitio web	amazon.com/...	sendgrid.com	mandrill.com	mailgun.com	sparkpost.com	postmarkapp.com	brevo.com