Why is my PHP mail() function failing on localhost?

Troubleshooting the PHP mail() Function on Localhost

When attempting to test your email application using the PHP mail() function on your localhost server, you may encounter an error message indicating a failure to connect to the mail server. This specific error is typically attributed to incorrect SMTP and SMTP port settings in your PHP.ini file.

Solution

To resolve this issue, you should consider several options:

• Set Up a Mail Server: Establish a mail server on your local machine. For Windows users using WAMP, installing a Pegasus mail server is a recommended approach.
• Utilize Wrapper Classes: Employ wrapper classes such as SwiftMailer or PHPMailer. These classes enable you to connect to external SMTP servers, such as your GMail account, for improved flexibility and security.
• Connect to an External SMTP Server: Directly connect to your ISP's SMTP server or GMail to facilitate email sending. This method offers an easier alternative to setting up a localhost mail server.

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