Amazon SES
152,502 websites

Amazon SES offers both free and paid options

http://aws.amazon.com/ses

Amazon Simple Email Service (Amazon SES) is a cost-effective outbound-only email-sending service built on the reliable and scalable infrastructure that Amazon.com has developed to serve its own customer base. With Amazon SES, you can send t...

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Mandrill
186,346 websites

Mandrill offers both free and paid options

https://mandrill.com

Mandrill is a scalable and affordable email infrastructure service, with all the marketing-friendly analytics tools you've come to expect

Market Share by Top Websites

1 Mandrill is leading in Top 1M Sites and The Entire Web.

2 Amazon SES is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 Amazon SES has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Finance, Food & Drink and 9 other categories.

2 Mandrill is leading in Business & Consumer Services, Lifestyle, Health, Travel & Tourism and 7 other categories.

Geography

1 Mandrill is leading in most countries, including United States, Germany, United Kingdom, Netherlands and 124 other countries.

2 Amazon SES is leading in Japan, Brazil, Russia, Argentina and 30 other countries.