Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 5,208 42,410 331,058 38,050,575
Google Apps for Business 2,247 15,201 109,709 6,909,781
Microsoft Azure DNS 994 5,979 27,594 931,954
Microsoft Exchange Online 939 6,602 37,165 1,542,172
Sendgrid 567 2,458 7,349 48,866
GoDaddy Email 350 6,261 110,853 38,555,382
Zendesk 266 1,180 3,445 11,444
Amazon SES 237 1,172 3,513 29,184
Mandrill 236 1,567 6,737 109,497
ExactTarget Email 232 742 1,589 2,274
Google Postini Services 202 984 3,524 90,805
Rackspace Email Hosting 201 2,193 17,348 492,077
Symantec.cloud 183 1,080 4,398 111,237
Proofpoint 181 680 1,862 18,321
McAfee SaaS Email 151 1,634 10,303 152,714
Mailgun 145 858 3,397 51,060
Sailthru 137 365 566 1,916
Mimecast 89 512 2,177 37,451
MailChimp SPF 77 554 2,139 22,101
Second Street 76 165 261 661

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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.