Public mail servers

Here are some public mail servers that you can use:

SMTP (Simple Mail Transfer Protocol) Servers:

  1. Mailgun: A popular public SMTP server that offers a free plan with 10,000 emails per month.
  2. Sendgrid: Another well-known public SMTP server that offers a free plan with 100 emails per day.
  3. Amazon SES: Amazon's public SMTP server that offers a free plan with 62,000 free emails per day.
  4. Mailjet: A public SMTP server that offers a free plan with 6,000 emails per month.
  5. SparkPost: A public SMTP server that offers a free plan with 10,000 emails per month.

IMAP (Internet Message Access Protocol) and POP3 (Post Office Protocol version 3) Servers:

  1. ProtonMail: A secure public IMAP and POP3 server that offers a free plan with 500 MB of storage.
  2. Tutanota: A secure public IMAP and POP3 server that offers a free plan with 1 GB of storage.
  3. Yandex Mail: A public IMAP and POP3 server that offers a free plan with 10 GB of storage.
  4. GMX Mail: A public IMAP and POP3 server that offers a free plan with 5 GB of storage.
  5. Zoho Mail: A public IMAP and POP3 server that offers a free plan with 5 GB of storage.

Note: Before using any public mail server, please review their terms of service and ensure that they comply with your country's laws and regulations. Additionally, be aware that public mail servers may have limitations on the number of emails you can send or receive per day, and may also have restrictions on the types of content you can send.