Email Usage Statistics

Statistics for websites using Email providers

Google Apps for Business
Microsoft Exchange Online
Microsoft Azure DNS
GoDaddy Email
Office 365 Mail
Sendgrid
Mandrill
Hostgator Mail
Rackspace Email Hosting
Zendesk

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Name 10k 100k Million Entire Web
SPF 5,939 44,290 468,582 38,601,516
Google Apps for Business 2,582 18,423 144,473 6,763,276
Microsoft Azure DNS 1,502 9,236 50,998 1,446,272
Microsoft Exchange Online 1,306 9,362 54,310 2,733,111
Office 365 Mail 862 6,896 40,814 1,981,268
Sendgrid 703 2,890 14,892 353,037
DMARC 623 2,445 6,713 21,012
Mandrill 486 2,813 25,929 470,907
Zendesk 482 1,753 11,786 35,423
GoDaddy Email 431 7,275 93,542 33,205,677
Amazon SES 294 1,356 7,503 34,456
Mailgun 281 1,443 10,883 113,636
Proofpoint 251 1,035 2,840 23,449
MailChimp SPF 246 1,300 11,692 96,017
ExactTarget Email 221 466 1,414 5,459
Rackspace Email Hosting 193 2,064 17,828 418,666
Symantec.cloud 174 1,076 6,963 97,380
Sailthru 137 383 719 6,217
Return Path 133 281 458 245
Mimecast 126 843 4,065 51,055

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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.