Market Share by Top Websites

1 Mandrill is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Postmark is clearly lagging behind, losing to Mandrill in all segments.

Websites Categories

1 Mandrill has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Marketing & Advertising, Shopping and 186 other categories.

2 Postmark is leading in Internet & Telecom, People & Society, Computer & Electronics, Software and 44 other categories.


1 Mandrill is leading in most countries, including Germany, United States, France, Russia and 169 other countries.

2 Postmark is leading in Peru, Ecuador, Moldova, Bolivia and 18 other countries.