Email Usage Statistics

Statistics for websites using Email providers

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

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Name 10k 100k Million Entire Web
SPF 5,453 46,446 345,038 41,098,082
Google Apps for Business 2,309 16,422 113,621 7,197,383
Microsoft Azure DNS 1,515 10,472 49,608 1,567,305
Microsoft Exchange Online 1,355 10,879 63,187 3,125,798
DMARC 957 4,185 12,697 26,363
Office 365 Mail 953 8,287 49,173 2,319,075
Sendgrid 639 3,244 10,491 385,933
Zendesk 471 1,964 5,757 40,827
Mandrill 451 3,121 13,515 497,329
Amazon SES 335 1,555 4,443 41,191
Proofpoint 294 1,274 3,437 27,720
Mailgun 273 1,731 6,577 139,608
MailChimp SPF 259 1,899 8,708 145,576
GoDaddy Email 243 4,608 90,203 34,773,547
ExactTarget Email 229 722 1,366 5,866
Rackspace Email Hosting 197 2,149 18,207 430,646
Return Path 171 420 693 531
Symantec.cloud 170 1,082 4,497 99,421
Mimecast 143 1,091 4,959 60,138
Sailthru 142 398 611 4,596

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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.