Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,706 38,065 279,753 29,329,108
Google Apps for Business 1,930 13,626 97,281 5,732,075
Microsoft Exchange Online 767 5,522 27,848 1,014,190
Microsoft Azure DNS 692 4,556 18,712 1,274,170
Sendgrid 489 2,149 5,632 33,663
GoDaddy Email 314 4,983 101,285 30,258,776
Google Postini Services 302 1,637 5,934 104,558
Amazon SES 240 994 2,636 21,378
Symantec.cloud 216 1,121 4,005 93,416
Rackspace Email Hosting 192 2,126 16,267 405,318
ExactTarget Email 181 603 1,051 1,817
Proofpoint 152 560 1,313 11,430
Mandrill 147 1,110 4,087 57,921
Zendesk 133 531 1,383 6,948
Sailthru 132 371 530 920
McAfee SaaS Email 110 1,567 9,389 125,575
Mailgun 91 635 2,252 28,030
Postmark 67 320 1,042 12,350
Second Street 66 164 240 538
Dyn 65 342 1,068 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.