Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 5,256 42,777 342,098 38,050,575
Google Apps for Business 2,297 15,272 110,690 6,909,781
Microsoft Azure DNS 1,040 6,193 29,425 931,954
Microsoft Exchange Online 964 6,744 38,929 1,542,172
Sendgrid 594 2,511 7,599 48,866
GoDaddy Email 356 6,580 111,098 38,555,382
Zendesk 297 1,230 3,595 11,444
Amazon SES 257 1,180 3,534 29,184
Mandrill 251 1,673 7,185 109,497
ExactTarget Email 221 718 1,607 2,274
Rackspace Email Hosting 206 2,075 17,211 492,077
Proofpoint 196 684 1,887 18,321
Symantec.cloud 180 1,104 4,405 111,237
Google Postini Services 164 696 2,620 90,805
Mailgun 159 893 3,576 51,060
McAfee SaaS Email 152 1,634 10,316 152,714
Sailthru 129 342 544 1,916
Mimecast 92 515 2,293 37,451
MailChimp SPF 88 576 2,302 22,101
Postmark 84 361 1,283 16,516

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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.