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
Hostgator Mail

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Name 10k 100k Million Entire Web
SPF 6,006 46,766 470,333 41,098,082
Google Apps for Business 2,538 18,604 140,829 7,197,383
Microsoft Azure DNS 1,509 10,286 52,292 1,567,305
Microsoft Exchange Online 1,378 10,694 63,988 3,125,798
Office 365 Mail 929 8,020 48,260 2,319,075
DMARC 912 3,906 11,535 26,363
Sendgrid 683 3,249 15,370 385,933
Zendesk 509 1,955 12,328 40,827
Mandrill 473 3,151 24,358 497,329
GoDaddy Email 435 7,123 96,812 34,773,547
Amazon SES 332 1,535 8,008 41,191
Mailgun 314 1,693 11,879 139,608
MailChimp SPF 305 1,832 14,241 145,576
Proofpoint 287 1,220 3,321 27,720
ExactTarget Email 230 729 1,374 5,866
Rackspace Email Hosting 199 2,162 18,507 430,646
Symantec.cloud 179 1,124 6,159 99,421
Return Path 175 413 684 531
Sailthru 143 409 679 4,596
Mimecast 140 1,046 4,725 60,138

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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.