1
Postmark is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
In terms of market share, Rackspace MailGun is clearly lagging behind, losing to Postmark in all segments.
1
Postmark has better usage coverage in more websites categories. Including Internet & Telecom, Business & Industry, Computer & Electronics, People & Society and 234 other categories.
2
Rackspace MailGun hasn't got a lead over Postmark in any websites category.
1
Postmark is leading in most countries, including United States, Mexico, United Kingdom, Canada and 190 other countries.
2
Rackspace MailGun hasn't got a lead over Postmark in any country.