Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,723 38,083 280,130 29,329,108
Google Apps for Business 1,939 13,618 97,266 5,732,075
Microsoft Exchange Online 766 5,485 27,635 1,014,190
Sendgrid 488 2,137 5,616 33,663
GoDaddy Email 314 4,984 101,302 30,258,776
Google Postini Services 308 1,665 6,008 104,558
Amazon SES 236 998 2,632 21,378
Symantec.cloud 217 1,125 4,011 93,416
Rackspace Email Hosting 190 2,132 16,277 405,318
ExactTarget Email 181 600 1,048 1,817
Proofpoint 152 555 1,303 11,430
Mandrill 146 1,101 4,044 57,921
Zendesk 133 532 1,385 6,948
Sailthru 131 372 531 920
McAfee SaaS Email 110 1,562 9,374 125,575
Mailgun 91 636 2,243 28,030
Postmark 70 319 1,046 12,350
Dyn 66 342 1,068 25,108
Second Street 65 164 240 538
Epsilon 62 175 285 109

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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.