Market Share by Top Websites

1 WordFly is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Rackspace MailGun is clearly lagging behind, losing to WordFly in all segments.

Websites Categories

1 WordFly has better usage coverage in more websites categories. Including Arts & Entertainment, Performing Arts, Music & Audio, Business & Industry and 17 other categories.

2 Rackspace MailGun is leading in Computer & Electronics, Software, Internet & Telecom, People & Society and 9 other categories.


1 Rackspace MailGun is leading in most countries, including Germany, India, Japan, Mexico and 6 other countries.

2 WordFly is leading in United States, Australia, United Kingdom, Canada and 2 other countries.