Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,869 38,352 284,022 29,329,108
Google Apps for Business 2,018 13,617 97,249 5,732,075
Microsoft Exchange Online 856 5,833 30,238 1,014,190
Microsoft Azure DNS 798 5,013 21,160 1,405,612
Sendgrid 529 2,262 6,382 33,663
GoDaddy Email 328 5,149 101,784 30,258,776
Zendesk 267 1,061 2,890 6,948
Google Postini Services 261 1,286 4,571 104,558
Amazon SES 242 1,068 2,817 21,378
Rackspace Email Hosting 205 2,059 16,081 405,318
ExactTarget Email 193 587 1,039 1,817
Symantec.cloud 191 1,051 3,992 93,416
Mandrill 183 1,222 4,609 57,921
Proofpoint 157 582 1,416 11,430
McAfee SaaS Email 136 1,572 9,537 125,575
Sailthru 125 360 530 920
Mailgun 117 766 2,667 28,030
Postmark 74 335 1,081 12,350
Second Street 74 156 232 538
Dyn 73 361 1,089 25,108

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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.