Is there a free smtp mail server you can use

Yes, there are several free SMTP mail servers that you can use. Here are a few options:

  1. Sendmail: Sendmail is a popular open-source SMTP server that is free to use. It's widely used on Linux and Unix systems, but you can also use it on Windows.
  2. Postfix: Postfix is another open-source SMTP server that is free to use. It's widely used on Linux and Unix systems, and is known for its reliability and security.
  3. OpenSMTPD: OpenSMTPD is a free and open-source SMTP server that is designed to be easy to use and configure. It's available for Linux, macOS, and Windows.
  4. Mailhog: Mailhog is a free SMTP server that is designed for testing and development purposes. It's a great option if you're building a web application and need to test email functionality.
  5. Mailgun: Mailgun is a free SMTP server that offers a limited number of emails per day. It's a great option if you're building a small web application or need to send a small number of emails.
  6. Sendinblue: Sendinblue is a free SMTP server that offers a limited number of emails per day. It's a great option if you're building a small web application or need to send a small number of emails.
  7. Zoho Mail: Zoho Mail is a free SMTP server that offers a limited number of emails per day. It's a great option if you're building a small web application or need to send a small number of emails.

Keep in mind that some of these options may have limitations, such as a limited number of emails per day or restrictions on the types of emails you can send. Be sure to review the terms of service and usage guidelines before using a free SMTP server.

Here are some pros and cons to consider when using a free SMTP server:

Pros:

Cons: