Email Usage Statistics

Statistics for websites using Email providers

Google Apps for Business
Microsoft Exchange Online
Microsoft Azure DNS
Office 365 Mail
GoDaddy Email
Mandrill
Sendgrid
MailChimp SPF
Zendesk
Mailgun

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Name 10k 100k Million Entire Web
SPF 5,384 48,088 339,667 41,519,469
Google Apps for Business 2,283 19,877 110,496 7,134,511
Microsoft Azure DNS 1,578 10,955 51,311 1,518,365
Microsoft Exchange Online 1,417 11,522 69,033 3,090,379
Office 365 Mail 1,025 8,811 51,348 2,531,044
DMARC 963 4,206 12,718 34,520
Sendgrid 619 3,725 11,475 362,564
Zendesk 474 2,792 8,544 45,180
Mandrill 457 4,228 15,486 450,777
Amazon SES 355 1,814 5,282 48,405
Proofpoint 343 1,436 3,852 33,096
MailChimp SPF 300 2,901 11,327 191,220
Mailgun 271 2,366 8,849 162,014
GoDaddy Email 245 4,485 85,013 37,330,213
Rackspace Email Hosting 197 2,115 18,040 440,004
Mimecast 196 1,391 5,629 66,508
Symantec.cloud 162 1,051 4,354 74,760
Return Path 154 361 587 441
Sailthru 140 394 609 1,620
Salesforce SPF 136 654 1,929 9,531

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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.