Count hot webmail

Here are some popular webmail services:

  1. Gmail (Google) - over 1.5 billion active users
  2. Yahoo Mail (Yahoo) - over 250 million active users
  3. Outlook.com (Microsoft) - over 400 million active users
  4. Hotmail (Microsoft) - over 300 million active users (although this number is declining as Outlook.com gains popularity)
  5. AOL Mail (AOL) - over 2 million active users
  6. ProtonMail (Proton Technologies) - over 20 million active users
  7. Tutanota (Tutanota GmbH) - over 2 million active users
  8. Mail.ru (Mail.ru Group) - over 100 million active users
  9. Yandex Mail (Yandex) - over 90 million active users
  10. GMX Mail (United Internet) - over 10 million active users

Note: These numbers are estimates and may vary depending on the source and date. Additionally, some webmail services may not publicly disclose their user numbers.