In terms of market share, Rackspace MailGun is clearly lagging behind, losing to SendMsg in all segments.
SendMsg has better usage coverage in more websites categories. Including Business & Industry, Health, People & Society, Marketing & Advertising and 45 other categories.
Rackspace MailGun is leading in Computer & Electronics, Software, Finance, Credit, Loans & Mortgages and 10 other categories.
SendMsg is leading in most countries, including Israel, Russia, Netherlands, Czech Republic and 9 other countries.
Rackspace MailGun is leading in United States, Brazil, United Kingdom, India and 5 other countries.