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Amazon SESSendGridMandrillMailgunSparkPostPostmarkBrevo
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Websiteamazon.com/...sendgrid.commandrill.commailgun.comsparkpost.compostmarkapp.combrevo.com
Technical details
SMTP supportYesYesYesYesYesYes Globally redundant SMTP and API infrastructureYes
RealtimeYesYesYesYesYesYesYes
Send transactional emailsYesYesYesYesYesYesYes
Incoming Email SupportYesYes Parse inbound email, including attachments and content. See docs.sendgrid.com for webhook examples. Supported by Griddler: https://github.com/thoughtbot/griddlerYes Parses inbound, can be handled by griddler: https://github.com/thoughtbot/griddlerYes 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/griddlerYesYes Handles inbound, can be parsed by griddler: https://github.com/thoughtbot/griddlerYes
Send bulk emailsYesYesYesYesYesNo Multiple recipients per transactional email per the API or SMTPYes
SPFYes Yes Instructions on how to set it up on your domain are given.YesYesYesYesYesYes
Automatic DKIM signingYesYesYesYesYesYesYes
Personalized DKIM for free (no more "on behalf of")YesYes Upgrade to a Silver plan or higher to get personalized DKIMYesYesYesYesYes
Open TrackingNoYesYesYesYesYesYes
Click TrackingNoYesYesYesYesNoYes
Clicks Details (per Link, etc.)Yes Via real-time Event API webhookYes Reporting available both through Control Panel and APIYes Through webhooks real-time event reporting.Yes
Message PersonalizationNoYesYesYesYesYes
Conditional Personalization (if/else)YesYesYesYes
WYSIWYG Newsletter EditorNoYes +$0,25 per thousand, in addition to monthly packageYesNo- only with "Elite for Marketers" planNoYes Available for free with all the plans
HTML Content Templates (WYSIWYG Editor)NoYesYesYesYes
Dedicated IP availableNo $25 per month for EC2 usersYesYes $29 per monthYes $59 per monthYesNo Shared IPs. They believe shared IPs are preferable to dedicated.Yes Gold or Higher Plan
Pricing
Free plan62,000 emails per month for EC2 users45 day free trial, 12,000 per month, 400 emails per dayN/A (Since re-integration with Mailchimp)10,000 free per month15,000 emails per month25,000 emails, no time limit9,000 emails per month, max 300 per 24 hours
Price$ 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 SendersNoYesYesYesYesYesYes
CurrencyUSDUSDUSDUSDUSDUSDUSD, EUR, GBP, MXN, ARS
Cancellation policyPay for what you send; no required contract or commitments.Cancel at any time, no contractCancel at any time, no contractCancel any time, no contractCancel any time, no contract, month-to-monthCancellation 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 APIYesYes Yes, for our Bronze plan and higher (and Free plan too)YesYesYesYesYes
Event APIYes you can set up Amazon SES to publish email sending events to Amazon CloudWatch or Amazon KinesisYes Yes, for our Silver plan and higher (and Free plan too)YesYesYes Via WebhooksYesYes
Manage contacts through APIYes See our Newsletter API at http://docs.sendgrid.comYesYesYes Edit active/inactive addresses by API.Yes
Send email through APIYesYesYesYesYesYesYes
Support
24/7 SupportYes Basic: Included, Developer: $49/month, Business & Enterprise prorated.Yes Online ticket generation.Yes Online form submission.YesYes Support by email around the clock. Live chat.Yes Online form submission
Dedicated Support TeamYesYesYesYesYesYesYes
Phone Support- Available with paid support planYes During regular business hours for all plan levels, including "Free." Critical and Escalation Support available 24/7No- For First-class plansYesNoYes
HeadquarteredSeattle, WACO - CASan Francisco, CASan Francisco, CAParent Company: Wildbit - Philadelphia, PAParis, France
Additional
Multi-user LoginYesYesNoYesNo
Prioritize emailsYes 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/205582647Yes Add preferred time of delivery which can prioritize or schedule for later.YesYes
User-Agent TrackingYesYesYesYes
PluginsYes Most major languages, frameworks, and platformsYes Most major languages and frameworksYes Node, PHP, Python & More, see http://developer.sparkpost.comYes http://developer.postmarkapp.com/developer-libs.htmlYes PrestaShop, WordPress, Magento, Drupal, Zapier, Salesforce
LanguagesEnglish, French, German, Japanese, SpanishEnglishEnglishEnglish, French, RussianEnglishEnglishEnglish, French, Spanish, Portuguese, Italian, German
Sample CustomersSIEMENS, HBO, Vodafone, AllerganSpotify, Foursquare, Pandora, Hootsuite, Uber, Kickstarter, Air BnB, GitHubGithub, Heroku, Uservoice, Stripe, 37 Signals, Parse, Adroll, PagerdutyPinterest, Zillow, Financial Times of London, Career BuilderIKEA, Minecraft, Livestream, Unicef, Litmus, Salesforce-DeskBMW, Fleury Michon, Sodebo, Cora, Leroy Merlin, etc.
Sample Integration PartnersWindows Azure, HP Cloud, Softlayer, Rackspace, Heroku, Engineyard, CloudbeesMailchimpRackspace (owner), Heroku, Engineyard, AppFogHeroku, SendWIthUs, OnGage, Iterable, boomtrain, kickbox, HP Exstream, Lytics, Infacta, Movable Ink, Zapier & More: sparkpost.com/...ThriveThemes
Websiteamazon.com/...sendgrid.commandrill.commailgun.comsparkpost.compostmarkapp.combrevo.com