All mail providers

Here is a list of popular email providers:

Free Email Providers:

  1. Gmail (Google)
  2. Yahoo Mail
  3. Outlook.com (Microsoft)
  4. AOL Mail
  5. ProtonMail (Swiss-based, end-to-end encrypted)
  6. Mail.ru (Russian-based)
  7. Yandex Mail (Russian-based)
  8. Zoho Mail
  9. GMX Mail
  10. 1&1 Mail
  11. FastMail
  12. Mail.com
  13. Hushmail
  14. Tutanota (German-based, end-to-end encrypted)
  15. StartMail

Paid Email Providers:

  1. Microsoft Exchange (Microsoft)
  2. IBM Notes (IBM)
  3. Zimbra (Synacor)
  4. Kerio Connect (Kerio Technologies)
  5. IceWarp (IceWarp Ltd.)
  6. MDaemon (Alt-N Technologies)
  7. Merak Mail Server (Merak Systems)
  8. Scalix (Scalix Corporation)
  9. Zentyal (Zentyal Ltd.)
  10. OpenMailBox (OpenMailBox GmbH)

Specialized Email Providers:

  1. ProtonMail (Swiss-based, end-to-end encrypted, for privacy and security)
  2. Tutanota (German-based, end-to-end encrypted, for privacy and security)
  3. Mailfence (Belgian-based, end-to-end encrypted, for privacy and security)
  4. Hushmail (Swiss-based, end-to-end encrypted, for privacy and security)
  5. StartMail (Dutch-based, end-to-end encrypted, for privacy and security)
  6. Countermail (Swedish-based, end-to-end encrypted, for privacy and security)
  7. Mailbox.org (German-based, end-to-end encrypted, for privacy and security)
  8. Posteo (German-based, end-to-end encrypted, for privacy and security)

Business Email Providers:

  1. Microsoft 365 (Microsoft)
  2. Google Workspace (formerly G Suite, Google)
  3. Zoho Workplace (Zoho Corporation)
  4. IBM Verse (IBM)
  5. Cisco Webex (Cisco Systems)
  6. Oracle Communications (Oracle Corporation)
  7. SAP Business One (SAP SE)
  8. Salesforce Essentials (Salesforce.com)

Please note that this is not an exhaustive list, and there are many other email providers available. Additionally, some providers may offer both free and paid plans, while others may be specific to certain regions or industries.