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 6,682 57,370 359,628 41,519,469
Google Apps for Business 3,156 23,995 109,700 7,134,511
Microsoft Azure DNS 2,030 13,302 51,620 1,518,365
Microsoft Exchange Online 1,776 13,847 65,533 3,090,379
Office 365 Mail 1,315 10,980 52,749 2,531,044
DMARC 920 4,012 11,643 34,520
Sendgrid 887 4,808 14,290 362,564
Zendesk 712 3,645 11,206 45,180
Mandrill 654 5,219 19,913 450,777
MailChimp SPF 534 4,096 15,444 191,220
Proofpoint 472 1,795 4,230 33,096
Amazon SES 445 2,366 7,662 48,405
Mailgun 422 2,992 11,052 162,014
Sender ID 324 1,688 6,499 263,875
GoDaddy Email 284 4,411 83,443 37,330,213
Mimecast 242 1,618 5,990 66,508
Rackspace Email Hosting 179 2,074 15,341 440,004
Sailthru 173 392 605 1,620
Salesforce SPF 172 890 2,250 9,531
Symantec.cloud 154 1,006 4,885 74,760

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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.