Email Usage Statistics

Statistics for websites using Email providers

Google Apps for Business
Microsoft Exchange Online
Microsoft Azure DNS
Office 365 Mail
Mandrill
MailChimp SPF
Sendgrid
GoDaddy Email
Mailgun
Zendesk

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Name 10k 100k Million Entire Web
SPF 7,453 64,062 510,557 55,846,074
Google Apps for Business 3,297 26,468 165,324 8,730,995
Microsoft Azure DNS 2,522 16,386 76,125 2,155,012
Microsoft Exchange Online 2,099 16,871 88,355 4,306,305
Office 365 Mail 1,727 14,144 75,616 3,502,882
Sendgrid 886 4,869 17,050 518,480
Mandrill 781 5,960 25,499 556,638
MailChimp SPF 756 5,908 26,492 275,581
Proofpoint 598 2,393 6,074 42,409
Zendesk 587 3,185 11,136 56,562
Amazon SES 577 2,998 10,418 63,510
Mailgun 451 3,387 15,253 220,961
Sender ID 346 1,745 8,049 320,505
Mimecast 323 2,148 8,355 89,981
Salesforce SPF 271 1,319 3,787 11,623
GoDaddy Email 239 4,215 63,782 36,025,812
Postmark 171 960 3,585 35,021
Rackspace Email Hosting 165 2,175 13,399 503,254
Sailthru 156 408 741 1,630
Symantec.cloud 150 1,092 5,256 112,490

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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.