Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,682 36,695 280,307 29,329,108
Google Apps for Business 1,927 12,814 95,437 5,732,075
Microsoft Exchange Online 818 5,431 30,557 1,014,190
Microsoft Azure DNS 807 4,600 21,482 1,444,470
Sendgrid 528 2,190 6,244 33,663
GoDaddy Email 291 5,544 100,358 30,258,776
Zendesk 252 1,092 3,150 6,948
Amazon SES 247 1,031 2,852 21,378
Google Postini Services 211 968 3,758 104,558
ExactTarget Email 192 541 1,012 1,817
Symantec.cloud 191 972 3,844 93,416
Mandrill 175 1,234 5,065 57,921
Rackspace Email Hosting 171 1,914 15,696 405,318
Proofpoint 136 516 1,361 11,430
McAfee SaaS Email 128 1,417 8,989 125,575
Mailgun 117 756 2,802 28,030
Sailthru 110 326 501 920
Postmark 70 314 1,105 12,350
Mimecast 68 404 1,766 27,241
Salesforce SPF 67 242 644 3,464

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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.