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 5,893 45,109 465,596 38,601,516
Google Apps for Business 2,619 18,408 141,591 6,763,276
Microsoft Azure DNS 1,469 9,535 52,151 1,446,272
Microsoft Exchange Online 1,276 9,668 54,889 2,733,111
Office 365 Mail 870 7,134 41,333 1,981,268
Sendgrid 706 3,084 14,889 353,037
DMARC 620 2,382 6,338 21,012
Mandrill 506 2,997 25,585 470,907
Zendesk 484 1,752 11,909 35,423
GoDaddy Email 422 7,215 93,251 33,205,677
Amazon SES 307 1,430 7,651 34,456
Mailgun 271 1,504 11,042 113,636
MailChimp SPF 261 1,471 12,026 96,017
Proofpoint 256 1,084 2,925 23,449
ExactTarget Email 228 717 1,421 5,459
Rackspace Email Hosting 199 2,118 17,907 418,666
Symantec.cloud 173 1,079 6,950 97,380
Sailthru 141 396 706 6,217
Mimecast 133 879 4,094 51,055
Return Path 127 275 443 245

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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.