Rackspace MailGun is leading in Top 100K Sites and Top 1M Sites.
SendMsg has better usage coverage in more websites categories. Including Business & Industry, Health, People & Society, Shopping and 45 other categories.
Rackspace MailGun is leading in Computer & Electronics, Software, Finance, Credit, Loans & Mortgages and 13 other categories.
Rackspace MailGun is leading in most countries, including United States, United Kingdom, India, Switzerland and 6 other countries.
SendMsg is leading in Israel, Russia, Czech Republic, Netherlands and 5 other countries.