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 16 other categories.

2 Rackspace MailGun is leading in Software, People & Society, Transportation & Logistics, Social Sciences and 5 other categories.


1 Rackspace MailGun is leading in most countries, including Brazil, Switzerland, Pakistan, Belgium and 4 other countries.

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