Would be there other e mail

You're asking if there are other types of email besides the ones we commonly use, like Gmail, Yahoo, Outlook, and Hotmail.

Yes, there are many other email services and protocols out there. Here are a few examples:

1. ProtonMail: A secure and private email service that uses end-to-end encryption.
2. Tutanota: Another secure email service that uses end-to-end encryption and is based in Germany.
3. FastMail: A paid email service that offers a range of features, including calendar and contact management.
4. Mailfence: A secure email service that offers end-to-end encryption and is based in Belgium.
5. Yandex Mail: A free email service from the Russian company Yandex.
6. Mail.ru: A free email service from the Russian company Mail.ru.
7. GMX Mail: A free email service from the German company GMX.
8. 1&1 Mail: A free email service from the German company 1&1.
9. Zoho Mail: A free email service from the Indian company Zoho.
10. Riseup: A free email service that is focused on providing secure and private email to activists and organizations.

In addition to these services, there are also various email protocols and standards, such as:

1. IMAP (Internet Message Access Protocol): a protocol for accessing email on a remote server.
2. POP3 (Post Office Protocol version 3): a protocol for retrieving email from a remote server.
3. SMTP (Simple Mail Transfer Protocol): a protocol for sending email between servers.
4. MIME (Multipurpose Internet Mail Extensions): a standard for formatting and sending email messages.
5. PGP (Pretty Good Privacy): a standard for encrypting email messages.

These are just a few examples, and there are many more email services, protocols, and standards out there.