Free corporate mail

Here are some free corporate email services:

  1. ProtonMail: A popular and secure email service that offers a free plan with 500 MB of storage and 150 messages per day.
  2. Tutanota: Another secure email service that offers a free plan with 1 GB of storage and unlimited emails.
  3. Mailfence: A free email service that offers 500 MB of storage and unlimited emails, with a focus on security and privacy.
  4. Zoho Mail: A free email service that offers 5 GB of storage and unlimited emails, with features like calendar, contacts, and tasks.
  5. GMX Mail: A free email service that offers 5 GB of storage and unlimited emails, with features like calendar, contacts, and tasks.
  6. Yandex Mail: A free email service that offers 10 GB of storage and unlimited emails, with features like calendar, contacts, and tasks.
  7. Libero Mail: A free email service that offers 1 GB of storage and unlimited emails, with features like calendar, contacts, and tasks.
  8. Freenet Mail: A free email service that offers 1 GB of storage and unlimited emails, with features like calendar, contacts, and tasks.
  9. Mail.com: A free email service that offers 2 GB of storage and unlimited emails, with features like calendar, contacts, and tasks.
  10. Outlook.com: A free email service that offers 5 GB of storage and unlimited emails, with features like calendar, contacts, and tasks.

Please note that while these services are free, they may have limitations compared to paid services, such as limited storage space, fewer features, or ads. Additionally, some services may have restrictions on usage, such as limited number of emails per day or limited attachment sizes.