Email Usage Statistics

Statistics for websites using Email providers

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

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Name 10k 100k Million Entire Web
SPF 7,198 62,399 512,293 55,846,074
Google Apps for Business 3,288 25,839 166,589 8,730,995
Microsoft Azure DNS 2,294 15,229 76,716 2,155,012
Microsoft Exchange Online 1,922 15,494 83,484 4,306,305
Office 365 Mail 1,557 12,742 71,060 3,502,882
DMARC 1,088 4,853 14,490 51,132
Sendgrid 968 5,408 20,785 518,480
Zendesk 819 4,274 16,009 56,562
Mandrill 723 5,770 27,139 556,638
MailChimp SPF 642 4,929 24,141 275,581
Amazon SES 509 2,720 10,746 63,510
Proofpoint 494 2,050 5,610 42,409
Mailgun 481 3,371 16,362 220,961
Sender ID 337 1,850 8,874 320,505
GoDaddy Email 266 4,577 91,955 36,025,812
Mimecast 258 1,848 7,856 89,981
Salesforce SPF 236 1,129 3,612 11,623
Rackspace Email Hosting 189 2,155 17,015 503,254
Postmark 169 983 3,996 35,021
Symantec.cloud 162 1,096 6,261 112,490

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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.