Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,884 38,280 282,606 29,329,108
Google Apps for Business 1,958 13,687 98,271 5,732,075
Microsoft Exchange Online 803 5,696 28,835 1,014,190
Microsoft Azure DNS 754 4,817 19,647 1,335,442
Sendgrid 515 2,216 5,915 33,663
GoDaddy Email 321 4,959 101,570 30,258,776
Google Postini Services 303 1,567 5,641 104,558
Amazon SES 238 1,018 2,726 21,378
Symantec.cloud 218 1,140 4,035 93,416
Rackspace Email Hosting 208 2,084 16,474 405,318
ExactTarget Email 181 611 1,069 1,817
Mandrill 168 1,140 4,243 57,921
Proofpoint 155 558 1,357 11,430
Zendesk 127 540 1,382 6,948
McAfee SaaS Email 124 1,611 9,603 125,575
Sailthru 121 380 530 920
Mailgun 91 669 2,428 28,030
Dyn 73 347 1,084 25,108
Second Street 71 154 243 538
Campaign Monitor 66 402 1,803 25,316

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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.