Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,894 38,377 282,553 29,329,108
Google Apps for Business 2,000 13,709 98,051 5,732,075
Microsoft Exchange Online 843 5,771 29,518 1,014,190
Microsoft Azure DNS 786 4,881 20,222 1,359,955
Sendgrid 515 2,177 5,994 33,663
GoDaddy Email 298 5,145 101,708 30,258,776
Google Postini Services 284 1,426 5,182 104,558
Amazon SES 249 1,040 2,777 21,378
Symantec.cloud 203 1,051 4,010 93,416
Rackspace Email Hosting 191 2,098 16,436 405,318
ExactTarget Email 187 576 1,051 1,817
Mandrill 174 1,193 4,460 57,921
Proofpoint 151 567 1,350 11,430
Zendesk 137 525 1,373 6,948
Sailthru 129 382 536 920
McAfee SaaS Email 113 1,619 9,511 125,575
Mailgun 109 727 2,526 28,030
Postmark 72 318 1,058 12,350
Dyn 70 356 1,099 25,108
Salesforce SPF 70 267 656 3,464

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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.