Email Usage Statistics

Statistics for websites using Email providers

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

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Name 10k 100k Million Entire Web
SPF 5,884 45,462 466,368 38,601,516
Google Apps for Business 2,574 18,417 143,200 6,763,276
Microsoft Azure DNS 1,465 9,187 50,385 1,446,272
Microsoft Exchange Online 1,269 9,564 55,543 2,733,111
Office 365 Mail 855 6,901 39,674 1,981,268
DMARC 693 2,552 6,404 21,012
Sendgrid 686 3,115 14,394 353,037
Mandrill 501 3,168 25,575 470,907
Zendesk 462 1,834 11,420 35,423
GoDaddy Email 435 7,363 103,134 33,205,677
Amazon SES 313 1,414 7,242 34,456
Mailgun 282 1,503 10,204 113,636
Proofpoint 256 1,023 2,838 23,449
MailChimp SPF 231 1,262 10,124 96,017
ExactTarget Email 230 725 1,418 5,459
Rackspace Email Hosting 217 2,219 18,688 418,666
Symantec.cloud 187 1,146 6,978 97,380
McAfee SaaS Email 154 1,583 10,048 104,834
Return Path 151 315 501 245
Sailthru 144 401 688 6,217

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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.