During this period, we have modified the login function of our system. In order to be more secure, we have added a verification function for sending emails. When the user logs in, it is judged whether the login IP has been logged in before. If not, a verification code needs to be sent to the mailbox, and then the received verification code is entered before logging in. If the verification code is correct and the time does not exceed the specified time, you can Log in and write down the IP and time of this login. If you log in with this IP in the future, you don't need to verify it. If the time exceeds, the verification code becomes invalid and needs to be sent again. If there is a verification error and you cannot log in, you need to re-enter the verification code or send a new verification code to your email. To achieve this function, I used how to send emails to the mailbox and get the knowledge of login IP. Let me sort it below so that you can check it yourself in the future. Sending emails: First, you need to download the compressed package of phpmail, then decompress it, and copy the decompressed file to the project. Introduce files in the project. Copy code code as follows: Require ("PHPMAILER/Class.phpmaileer.php"); // The path of the file depends on the path in your project. http://www.b
# This. # abbreviation: PHP acquisition user IP code to achieve client user IP often needs in the website, such as: 1. Login IP: you can know if your account number is stolen in time; 2. Vote: You can target each one for every IP can only vote once to prevent vote fraud; 3. Statistics: Statistics of user sources, this is an indispensable part of data analysis; 4. Others.
# 3. PHP Email Question Solution
## :: The verification error cannot be logged in, you need to re -enter the verification code, Or send a new verification code to the mailbox. In order to achieve this function, I used how to send emails to the mailbox, and to get the knowledge of login IP
## 4. PHP mail sending problem. Introduction: If there is a verification error, you cannot log in. You need to re-enter the verification code, or send a new verification code to your email. In order to achieve this function, I used how to send emails to the mailbox and get the knowledge of login IP
# 5. Anyone to get the user's login IP address
## This profile: Obtain the user's login IP address
# 6. PHP Email Send Question Solution_PHP Skills
# This profile: The verification error cannot be logged in, you need to re -enter the verification code, or send a new verification code to the mailbox. In order to achieve this function, I used how to send emails to the mailbox, and to get the knowledge of login IP
## [Related Q & A recommendations]:
################################################################################################### python - requests crawls the proxy website IP and verifies it. The verification passes, but the IP does not change when logging into the IP website to query it######
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