Email Usage Statistics

Statistics for websites using Email providers

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Name 10k 100k Million Entire Web
SPF 4,890 38,429 268,020 29,329,108
Google Apps for Business 2,008 13,763 92,980 5,732,075
Microsoft Exchange Online 849 5,837 28,654 1,014,190
Microsoft Azure DNS 807 5,024 19,956 1,365,124
Sendgrid 527 2,257 6,091 33,663
GoDaddy Email 306 5,130 95,245 30,258,776
Google Postini Services 264 1,312 4,527 104,558
Zendesk 253 1,023 2,734 6,948
Amazon SES 246 1,041 2,706 21,378
Rackspace Email Hosting 199 2,088 15,532 405,318
Symantec.cloud 198 1,048 3,840 93,416
ExactTarget Email 183 578 1,021 1,817
Mandrill 175 1,229 4,391 57,921
Proofpoint 155 583 1,367 11,430
Sailthru 127 381 525 920
McAfee SaaS Email 118 1,643 9,100 125,575
Mailgun 115 764 2,538 28,030
Second Street 75 155 233 538
Postmark 72 323 1,031 12,350
MailChimp SPF 71 394 1,324 11,871

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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.