Email Usage Statistics

Statistics for websites using Email providers

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

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Name 10k 100k Million Entire Web
SPF 7,018 61,076 466,497 55,846,074
Google Apps for Business 3,196 25,263 150,372 8,730,995
Microsoft Azure DNS 2,226 14,694 67,490 2,155,012
Microsoft Exchange Online 1,872 14,851 72,916 4,306,305
Office 365 Mail 1,480 12,156 60,986 3,502,882
Sendgrid 938 5,290 18,390 518,480
DMARC 920 4,020 11,707 51,132
Zendesk 758 4,040 14,284 56,562
Mandrill 701 5,637 24,554 556,638
MailChimp SPF 573 4,470 20,125 275,581
Amazon SES 476 2,625 9,520 63,510
Proofpoint 475 1,913 4,735 42,409
Mailgun 445 3,267 14,458 220,961
Sender ID 341 1,867 8,271 320,505
GoDaddy Email 284 4,660 83,504 36,025,812
Mimecast 254 1,744 6,760 89,981
Salesforce SPF 216 1,077 3,100 11,623
Rackspace Email Hosting 192 2,188 17,766 503,254
Sailthru 183 423 752 1,630
Symantec.cloud 166 1,093 5,846 112,490

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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.