Email Usage Statistics

Statistics for websites using Email providers

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

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Name 10k 100k Million Entire Web
SPF 7,444 64,290 519,215 45,563,893
Google Apps for Business 3,310 26,449 167,952 7,175,524
Microsoft Azure DNS 2,572 16,656 77,424 1,899,457
Microsoft Exchange Online 2,131 17,061 89,685 4,043,142
Office 365 Mail 1,758 14,334 77,146 3,281,108
DMARC 991 4,385 12,821 43,613
Sendgrid 892 4,864 17,265 549,873
Mandrill 801 5,978 25,645 568,005
MailChimp SPF 749 5,981 27,360 299,390
Proofpoint 624 2,432 6,223 38,224
Zendesk 595 3,207 11,293 49,202
Amazon SES 585 2,999 10,571 57,743
Mailgun 453 3,387 15,653 193,899
Sender ID 356 1,727 8,088 256,029
Mimecast 338 2,222 8,543 81,064
Salesforce SPF 272 1,346 3,881 11,485
GoDaddy Email 225 4,211 59,196 22,637,475
Postmark 171 966 3,623 28,006
Rackspace Email Hosting 165 2,163 15,912 385,106
Sailthru 164 412 740 1,242

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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.