Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,701 37,374 284,719 32,870,780
Google Apps for Business 1,929 13,470 100,153 5,642,079
Microsoft Exchange Online 699 4,896 24,720 793,941
Sendgrid 477 1,985 5,163 28,025
Google Postini Services 431 2,069 7,507 151,338
GoDaddy Email 294 5,208 105,292 30,093,293
Symantec.cloud 222 1,143 4,264 92,995
Amazon SES 213 892 2,395 17,739
Rackspace Email Hosting 207 2,195 17,053 399,117
ExactTarget Email 184 577 1,070 1,703
Sailthru 133 389 544 838
McAfee SaaS Email 121 1,538 9,663 111,753
Mandrill 114 857 2,959 42,421
Proofpoint 110 436 1,177 10,066
Zendesk 98 430 1,076 6,775
Mailgun 74 495 1,849 17,967
Dyn 67 345 1,071 24,601
Salesforce SPF 65 245 580 3,186
Second Street 65 160 245 521
Campaign Monitor 62 410 1,824 24,327

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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.