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, Shopping, People & Society and 47 other categories.
Rackspace MailGun is leading in Computer & Electronics, Software, Finance, Credit, Loans & Mortgages and 14 other categories.
Rackspace MailGun is leading in most countries, including United States, Great Britain, Australia, Chile and 19 other countries.
SendMsg is leading in Israel, Russia, Italy, Netherlands and 14 other countries.