Why is my PHP mail() function failing on Windows 8, and how can I fix the \'Failed to connect to mailserver at \'localhost\' port 25\' error?

Troubleshooting Email Sending with PHP Mail Function on Windows 8

If you encounter an error like "Failed to connect to mailserver at 'localhost' port 25" when using the PHP mail() function on Windows 8, it indicates an issue with SMTP server settings. Here's how to resolve it:

To enable email sending via PHP on Windows 8, you need to install and configure an SMTP server. Out of the three options mentioned (sendmail, msmtp, and ssmtp), sendmail is commonly used on Windows systems.

Steps to Configure Sendmail on Windows 8:

1. Install Apache, PHP, and Sendmail

• Ensure Apache, PHP, and Sendmail are installed on your system.

2. Modify php.ini Settings

• Open the php.ini file (located in your PHP installation directory) and make the following changes:

SMTP=smtp.your-smtp-server.com
smtp_port=your-smtp-server-port (usually 587 or 25)
sendmail_from = [email protected]
sendmail_path = "\"C:\path-to-sendmail\sendmail.exe\" -t"

3. Configure sendmail.ini

• Create a file named sendmail.ini in the same directory as php.ini and add the following contents:

smtp_server=smtp.your-smtp-server.com
smtp_port=your-smtp-server-port
error_logfile=error.log
debug_logfile=debug.log
[email protected]
auth_password=your-smtp-server-password
[email protected]

4. Replace sendmail_path in php.ini (if necessary)

• If there's another sendmail_path setting in the php.ini file (e.g., sendmail_path="C:xamppmailtodiskmailtodisk.exe"), comment it out.

Note:

• Replace "your-smtp-server.com" and "your-smtp-server-port" with the appropriate values for your SMTP server.
• In the sendmail.ini file, update the email addresses and password with your actual SMTP server credentials.

5. Test Email Sending

• Create a simple PHP script like the one provided in the original question.
• Run the script and verify if the email is successfully sent.

If you encounter any further issues, check the error logs for more details.

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