Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,721 37,849 278,165 29,329,108
Google Apps for Business 1,915 13,631 97,068 5,732,075
Microsoft Exchange Online 798 5,370 26,958 1,014,190
Sendgrid 492 2,154 5,558 33,663
Google Postini Services 312 1,756 6,257 104,558
GoDaddy Email 281 5,018 101,172 30,258,776
Amazon SES 227 966 2,539 21,378
Symantec.cloud 212 1,113 4,004 93,416
Rackspace Email Hosting 203 2,143 16,321 405,318
ExactTarget Email 175 589 1,039 1,817
Proofpoint 149 547 1,282 11,430
Mandrill 147 1,057 3,802 57,921
Zendesk 134 513 1,374 6,948
Sailthru 130 376 534 920
McAfee SaaS Email 103 1,594 9,505 125,575
Mailgun 84 628 2,150 28,030
Dyn 72 360 1,067 25,108
Postmark 67 320 1,049 12,350
Campaign Monitor 66 420 1,786 25,316
Epsilon 61 180 291 109

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Email hosting providers are calculated from mail exchange information. The email hosting provider can provide varying levels of functionality, from full end-to-end email functionality to security and protection functionality, acting as a mail proxy that delivers the valid and safe emails to the actual email exchange. The links off of the various email technologies we track explain the functionality the services provide.