Email Usage Statistics

Statistics for websites using Email providers

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

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Name 10k 100k Million Entire Web
SPF 6,642 56,828 360,181 41,519,469
Google Apps for Business 3,133 23,764 110,737 7,134,511
Microsoft Azure DNS 1,970 13,037 51,216 1,518,365
Microsoft Exchange Online 1,709 13,477 65,268 3,090,379
Office 365 Mail 1,259 10,637 51,765 2,531,044
DMARC 1,081 5,171 15,004 34,520
Sendgrid 873 4,707 14,017 362,564
Zendesk 688 3,568 11,145 45,180
Mandrill 645 5,167 19,846 450,777
MailChimp SPF 529 3,908 14,973 191,220
Proofpoint 461 1,748 4,118 33,096
Amazon SES 443 2,327 7,562 48,405
Mailgun 410 2,928 10,946 162,014
GoDaddy Email 287 4,493 80,387 37,330,213
Mimecast 221 1,571 5,812 66,508
Rackspace Email Hosting 196 2,086 17,707 440,004
Salesforce SPF 181 856 2,235 9,531
Sailthru 167 401 635 1,620
Symantec.cloud 151 1,054 4,968 74,760
Postmark 148 841 2,757 25,688

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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.