Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,725 38,168 279,293 29,329,108
Google Apps for Business 1,942 13,633 97,153 5,732,075
Microsoft Exchange Online 774 5,630 28,113 1,014,190
Microsoft Azure DNS 719 4,693 18,993 1,296,825
Sendgrid 498 2,177 5,687 33,663
GoDaddy Email 308 4,978 100,899 30,258,776
Google Postini Services 294 1,605 5,773 104,558
Amazon SES 244 1,000 2,657 21,378
Symantec.cloud 216 1,121 4,012 93,416
Rackspace Email Hosting 191 2,120 16,291 405,318
ExactTarget Email 180 599 1,049 1,817
Proofpoint 150 561 1,320 11,430
Mandrill 149 1,113 4,101 57,921
Zendesk 131 530 1,387 6,948
Sailthru 130 374 532 920
McAfee SaaS Email 111 1,571 9,350 125,575
Mailgun 94 655 2,333 28,030
Postmark 70 327 1,050 12,350
Second Street 66 164 238 538
Dyn 65 349 1,090 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.