PHP MailFunctions
PHP Mail Introduction
The mail() function allows you to send emails directly from a script.
Requirements
For the mail functions to be available, PHP must have an installed and running mail system. The program to be used is defined by the configuration settings in the php.ini file.
Installation
The mail functions are part of the PHP core. There is no installation needed to use these functions.
Runtime Configuration
The behavior of the mail functions is affected by settings in the php.ini file.
Mail configuration options:
| Name | Default | Description | Changeable |
|---|---|---|---|
| SMTP | "localhost" | Windows-specific: The DNS name or IP address of the SMTP server. | PHP_INI_ALL |
| smtp_port | "25" | Windows-specific: The SMTP port number. Available since PHP 4.3. | PHP_INI_ALL |
| sendmail_from | NULL | Windows-specific: Specifies the "from" address to be used in emails sent by PHP. | PHP_INI_ALL |
| sendmail_path | NULL | Unix system-specific: Specifies the path to the sendmail program (usually /usr/sbin/sendmail or /usr/lib/sendmail). | PHP_INI_SYSTEM |
PHP Mail Functions
PHP: Indicates the earliest PHP version that supports the function.
| Functions | Description | PHP |
|---|---|---|
| ezmlm_hash() | Computes the hash value needed by the EZMLM mail list system. | 3 |
| mail() | Allows you to send emails directly from a script. | 3 |
PHP Mail Constants
None.