Email Usage Statistics

Statistics for websites using Email providers

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

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Name 10k 100k Million Entire Web
SPF 5,356 45,928 344,016 48,129,531
Google Apps for Business 2,297 16,322 113,137 7,912,968
Microsoft Azure DNS 1,527 10,581 50,428 1,810,860
Microsoft Exchange Online 1,361 11,000 64,520 3,484,156
Office 365 Mail 972 8,444 50,494 2,760,244
DMARC 951 4,120 12,629 31,942
Sendgrid 616 3,142 10,225 441,551
Zendesk 467 1,936 6,269 48,281
Mandrill 441 3,109 14,551 559,995
Amazon SES 337 1,564 4,510 50,405
Proofpoint 296 1,291 3,499 34,116
MailChimp SPF 275 1,967 9,889 193,114
Mailgun 266 1,728 7,299 171,255
GoDaddy Email 245 4,572 91,695 37,928,954
Rackspace Email Hosting 198 2,126 18,192 476,702
Symantec.cloud 164 1,065 4,420 107,026
Return Path 160 383 625 644
Mimecast 147 1,108 5,072 73,478
Sailthru 140 385 593 3,102
Salesforce SPF 132 616 1,726 9,549

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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.