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问题:

In my PHP webapp, I want to be notified via email whenever certain errors occur. I'd like to use my Gmail account for sending these. How could this be done?

回答1:

Gmail's SMTP-server requires a very specific configuration.

From Gmail help:

Outgoing Mail (SMTP) Server (requires TLS)
 - smtp.gmail.com
 - Use Authentication: Yes
 - Use STARTTLS: Yes (some clients call this SSL)
 - Port: 465 or 587
Account Name:   your full email address (including @gmail.com)
Email Address:  your email address (username@gmail.com)
Password:     your Gmail password

You can probably set these settings up in Pear::Mail or PHPMailer. Check out their documentation for more details.

回答2:

You could use PEAR's mail function with Gmail's SMTP Server

Note that when sending e-mail using Gmail's SMTP server, it will look like it came from your Gmail address, despite what you value is for $from.

(following code taken from About.com Programming Tips )

<?php
require_once "Mail.php";

$from = "Sandra Sender <sender@example.com>";
$to = "Ramona Recipient <recipient@example.com>";
$subject = "Hi!";
$body = "Hi,\n\nHow are you?";

// stick your GMAIL SMTP info here! ------------------------------
$host = "mail.example.com";
$username = "smtp_username";
$password = "smtp_password";
// --------------------------------------------------------------

$headers = array ('From' => $from,
  'To' => $to,
  'Subject' => $subject);
$smtp = Mail::factory('smtp',
  array ('host' => $host,
    'auth' => true,
    'username' => $username,
    'password' => $password));

$mail = $smtp->send($to, $headers, $body);

if (PEAR::isError($mail)) {
  echo("<p>" . $mail->getMessage() . "</p>");
 } else {
  echo("<p>Message successfully sent!</p>");
 }
?>