| 1 |
 Google Apps for Business |
31,677,219 |
|
| 2 |
Sendgrid |
25,194,632 |
|
| 3 |
GoDaddy Email |
8,679,546 |
|
| 4 |
Microsoft Exchange Online |
2,640,499 |
|
| 5 |
Mandrill |
777,750 |
|
| 6 |
Yahoo Business Email |
674,911 |
|
| 7 |
Amazon SES |
642,086 |
|
| 8 |
QQ Mail |
563,244 |
|
| 9 |
Rackspace Email |
318,059 |
|
| 10 |
Postmark |
277,225 |
|
| 11 |
MailChimp |
202,528 |
|
| 12 |
Constant Contact |
165,144 |
|
| 13 |
AWeber |
123,064 |
|
| 14 |
Mailjet |
56,101 |
|
| 15 |
Websense |
16,511 |
|
| 16 |
ElasticEmail |
16,305 |
|
| 17 |
GetResponse |
14,151 |
|
| 18 |
VerticalResponse |
11,345 |
|
| 19 |
Mad Mimi |
9,993 |
|
| 20 |
CampaignMonitor |
9,865 |
|
| 21 |
Benchmarkemail |
5,473 |
|
| 22 |
MailChimp Goals |
5,266 |
|
| 23 |
ActiveCampaign |
4,691 |
|
| 24 |
Campaigner |
2,948 |
|
| 25 |
Cheetah mail |
2,791 |
|
| 26 |
dotMailer |
1,847 |
|
| 27 |
iContact |
1,824 |
|
| 28 |
ActiveTrail |
1,749 |
|
| 29 |
Aurea Email Marketing |
1,381 |
|
| 30 |
Responder |
1,133 |
|
| 31 |
APSIS |
1,040 |
|
| 32 |
SendinBlue |
1,012 |
|
| 33 |
ConvertKit |
993 |
|
| 34 |
Liveclicker |
811 |
|
| 35 |
StreamSend |
810 |
|
| 36 |
Pure360 |
776 |
|
| 37 |
Vision 6 |
735 |
|
| 38 |
EmailBrain |
691 |
|
| 39 |
Emma |
606 |
|
| 40 |
GraphicMail |
576 |
|
| 41 |
phpList |
554 |
|
| 42 |
WhatCounts |
353 |
|
| 43 |
WordFly |
227 |
|
| 44 |
SendMsg |
186 |
|
| 45 |
InWise |
172 |
|
| 46 |
Jango Mail |
147 |
|
| 47 |
1 and 1 Email Hosting |
133 |
|
| 48 |
Adestra |
115 |
|
| 49 |
Rackspace MailGun |
82 |
|
| 50 |
Publicators |
64 |
|
| 51 |
Bluecore |
57 |
|
| 52 |
ResultsMail |
45 |
|
| 53 |
Soundest |
36 |
|
| 54 |
Agillic |
4 |
|