Market Share by Top Websites

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

2 Despite its recent growth, Postmark is still behind Mandrill in all market share segments.

Websites Categories

1 Mandrill has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, Marketing & Advertising and 208 other categories.

2 Postmark is leading in Internet & Telecom, Computer & Electronics, People & Society, Software and 29 other categories.


1 Mandrill is leading in most countries, including United States, Germany, France, United Kingdom and 193 other countries.

2 Postmark is leading in Ecuador, Venezuela, Guatemala, Trinidad and Tobago and 10 other countries.