PHP Mail Functions

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PHP Mail FunctionsPHP Mail Introduction

The mail() function allows you to send emails directly from a script.


Requirements

For the mail functions to be available, PHP requires an installed and working email 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:

NameDefaultDescriptionChangeable
SMTP“localhost”Windows only: The DNS name or IP address of the SMTP serverPHP_INI_ALL
smtp_port“25”Windows only: The SMTP port number. Available since PHP 4.3PHP_INI_ALL
sendmail_fromNULLWindows only: Specifies the “from” address to be used in email sent from PHPPHP_INI_ALL
sendmail_pathNULLUnix systems only: Specifies where the sendmail program can be found (usually /usr/sbin/sendmail or /usr/lib/sendmail)PHP_INI_SYSTEM

 


PHP Mail Functions

PHP: indicates the earliest version of PHP that supports the function.

FunctionDescriptionPHP
ezmlm_hash()Calculates the hash value needed by the EZMLM mailing list system3
mail()Allows you to send emails directly from a script3
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