How to change email sender in php mail function

The mail() function in PHP allows you to specify the sender's email address using the From header. You can do this by passing an additional argument to the mail() function, which is an array of headers.

Here is an example:

$headers = array(
    'From' => '[email protected]',
    'Reply-To' => '[email protected]',
    'Subject' => 'Test email',
    'Content-Type' => 'text/plain; charset=UTF-8'
);

mail('[email protected]', 'Test email', 'This is a test email', $headers);

In this example, the From header is set to [email protected], which will be used as the sender's email address.

You can also use the From header to specify a different sender's email address for each email. For example:

$headers = array(
    'From' => '[email protected]',
    'Reply-To' => '[email protected]',
    'Subject' => 'Test email',
    'Content-Type' => 'text/plain; charset=UTF-8'
);

mail('[email protected]', 'Test email', 'This is a test email', $headers);

In this example, the From header is set to [email protected], which will be used as the sender's email address for this specific email.

Note that the From header should be a valid email address that is recognized by the recipient's email server. If the From header is not valid, the email may be rejected or flagged as spam.

Also, you can use the mail() function with the additional_parameters argument to specify the sender's email address. For example:

mail('[email protected]', 'Test email', 'This is a test email', null, '-f [email protected]');

In this example, the -f flag is used to specify the sender's email address as [email protected].