Email Usage Statistics

Statistics for websites using Email providers

Google Apps for Business
Microsoft Exchange Online
Microsoft Azure DNS
GoDaddy Email
Office 365 Mail
Sendgrid
Mandrill
Rackspace Email Hosting
Hostgator Mail
Zendesk

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Name 10k 100k Million Entire Web
SPF 5,839 44,780 460,543 27,803,936
Google Apps for Business 2,562 18,319 142,311 4,756,431
Microsoft Azure DNS 1,422 8,914 48,354 1,049,561
Microsoft Exchange Online 1,262 9,337 54,336 1,906,156
Office 365 Mail 844 6,685 38,399 1,342,704
Sendgrid 698 3,062 14,030 249,445
DMARC 637 2,339 5,779 14,212
Mandrill 491 3,045 25,277 346,674
Zendesk 466 1,795 11,176 25,181
GoDaddy Email 410 7,465 101,456 21,915,056
Amazon SES 308 1,376 7,004 23,706
Mailgun 273 1,456 9,726 73,002
Proofpoint 241 982 2,742 16,304
ExactTarget Email 229 722 1,421 3,696
Rackspace Email Hosting 216 2,202 18,586 290,708
MailChimp SPF 209 1,151 9,061 54,403
Symantec.cloud 186 1,133 6,910 77,841
McAfee SaaS Email 151 1,563 9,818 79,091
Return Path 140 284 454 112
Sailthru 139 389 671 3,796

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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.