Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,730 38,074 289,244 29,329,108
Google Apps for Business 1,921 13,719 100,780 5,732,075
Microsoft Exchange Online 799 5,364 27,623 1,014,190
Sendgrid 493 2,151 5,666 33,663
Google Postini Services 313 1,779 6,506 104,558
GoDaddy Email 278 5,059 106,418 30,258,776
Amazon SES 228 968 2,602 21,378
Symantec.cloud 213 1,117 4,103 93,416
Rackspace Email Hosting 204 2,172 16,941 405,318
ExactTarget Email 176 593 1,050 1,817
Proofpoint 149 548 1,305 11,430
Mandrill 146 1,051 3,837 57,921
Zendesk 135 518 1,411 6,948
Sailthru 129 371 529 920
McAfee SaaS Email 104 1,606 9,819 125,575
Mailgun 84 628 2,194 28,030
Dyn 71 359 1,089 25,108
Postmark 67 317 1,074 12,350
Second Street 63 158 249 538
Campaign Monitor 62 425 1,840 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.