Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,891 38,310 282,141 29,329,108
Google Apps for Business 1,975 13,694 98,132 5,732,075
Microsoft Exchange Online 807 5,742 29,025 1,014,190
Microsoft Azure DNS 762 4,851 19,798 1,345,555
Sendgrid 516 2,215 5,920 33,663
GoDaddy Email 321 4,947 101,235 30,258,776
Google Postini Services 297 1,538 5,538 104,558
Amazon SES 237 1,019 2,728 21,378
Symantec.cloud 218 1,137 4,032 93,416
Rackspace Email Hosting 207 2,083 16,463 405,318
ExactTarget Email 182 611 1,069 1,817
Mandrill 167 1,159 4,284 57,921
Proofpoint 155 559 1,366 11,430
Zendesk 129 541 1,373 6,948
McAfee SaaS Email 123 1,607 9,597 125,575
Sailthru 121 380 533 920
Mailgun 97 678 2,441 28,030
Dyn 75 354 1,084 25,108
Second Street 71 154 242 538
Postmark 68 321 1,052 12,350

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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.