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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Sendgrid
607,381 websites

Sendgrid offers both free and paid options

https://sendgrid.com

Transactional and marketing email delivery system.

Market Share by Top Websites

1 Sendgrid 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 Sendgrid has better usage coverage in more websites categories. Including Arts & Entertainment, Adult, Games, Lifestyle and 19 other categories.

2 Amazon SES is leading in E-commerce & Shopping.

Geography

1 Sendgrid is leading in most countries, including United States, Germany, United Kingdom, Canada and 139 other countries.

2 Amazon SES is leading in Japan, Uganda, Côte d'Ivoire, Tanzania and 13 other countries.