Temp mail services, also known as disposable email services or temporary email services, are online tools that allow users to create a temporary email address that can be used for a limited period of time. These email addresses are usually deleted after a certain amount of time, typically ranging from a few minutes to a few days.

The purpose of using a temp mail service is to protect the user's privacy and security when engaging in online activities that require an email address, such as signing up for a website, downloading a file, or accessing a service. By using a temporary email address, users can avoid giving out their real email address and protect themselves from receiving unwanted emails, spam, or phishing attempts.

Temp mail services typically don't require users to create an account or provide personal information, and they are usually free to use. Some services offer additional features such as email forwarding, attachments, or the ability to reply to emails. However, because the email address is temporary, these services are not intended for long-term use, and users should not rely on them for important communications or sensitive information.

Overall, temp mail services provide a convenient and practical solution for users who want to protect their online privacy and avoid spam, without compromising their real email address or personal information.