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 7,181 62,489 509,407 55,846,074
Google Apps for Business 3,276 25,878 164,952 8,730,995
Microsoft Azure DNS 2,302 15,307 75,936 2,155,012
Microsoft Exchange Online 1,924 15,604 82,922 4,306,305
Office 365 Mail 1,565 12,852 70,554 3,502,882
DMARC 1,041 4,756 14,306 51,132
Sendgrid 972 5,446 20,642 518,480
Zendesk 819 4,292 15,877 56,562
Mandrill 728 5,764 26,530 556,638
MailChimp SPF 650 5,014 24,073 275,581
Amazon SES 506 2,720 10,692 63,510
Proofpoint 501 2,079 5,682 42,409
Mailgun 484 3,392 16,239 220,961
Sender ID 338 1,843 8,811 320,505
Mimecast 265 1,879 7,853 89,981
GoDaddy Email 258 4,554 91,556 36,025,812
Salesforce SPF 235 1,139 3,616 11,623
Rackspace Email Hosting 190 2,144 16,975 503,254
Postmark 164 975 3,905 35,021
Symantec.cloud 159 1,074 6,063 112,490

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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.