Hello,
Long time CI developer here, been with CI since v1.7.1 and it's still my framework of choice for personal and client projects. A big thank you to the CI Team, it's been an indispensable tool for me.
I have recently been building a few projects with v3.0 and everything so far has been great but i've ran into a strange issue.
When using the email library, if i send out a single email in a single HTTP request to the server everything works fine, however if try to send out two emails within that single HTTP request the second email comes through blank. The subject and all the headers are fine but the body of the email is empty.
I have tried sending out emails via my local server (hosting on my LAN) and my production server (hosted in a datacenter) in a few different ways and i get the same issues.
I have tried sending out via SMTP using Gmail,
SMTP via Amazon AWS
php's mail() via sendmail
I have tried introducing 60+ second delays between each email being sent for each of the methods listed above in case it was a throttling issue and it makes no difference. I have tried to upgrade CI to v 3.0.1 and have the same issues.
I do not get the blank emails when sending to multiple addresses via BCC and this works for cases where i need to send two copies of an email, but if i need to send two different emails to two different addresses the BCC method does not work.
i changed the $_body variable of the email class to public and echo'd it out via the model sending the email and when the first email is sent, the $_body variable contains the HTML for the email, but the variable is empty when the second email is being sent. This happens when sending the same email, running the same code twice, and also happens when sending two different emails as well.
The emailer model:
PHP Code:
<?php defined('BASEPATH') OR exit('No direct script access allowed');
class Emailer extends CI_Model {
function __construct() {
parent::__construct();
$this->load->library('email');
$config = array(
'mailtype' => 'html',
'useragent' => $this->config->item('app_email_useragent'),
'protocol' => $this->config->item('app_email_protocol'),
'smtp_host' => $this->config->item('app_email_smtp_host'),
'smtp_port' => $this->config->item('app_email_smtp_port'),
'smtp_user' => $this->config->item('app_email_smtp_user'),
'smtp_pass' => $this->config->item('app_email_smtp_pass'),
'smtp_crypto'=>'tls'
);
$this->email->initialize($config);
$this->email->set_newline("\r\n");
}
public function send_email($email,$to,$data=array()) {
$func = '_email_'.$email;
if( method_exists($this,$func) ) {
$email = $this->$func($data);
if( $email ) {
$this->email->to($to);
$this->email->from($this->config->item('app_email_from'), $this->config->item('app_email_from_name'));
$this->email->subject($email['subject']);
$this->email->message( $this->load->view('emails/_wrapper',array('body'=>$email['body']),true) );
$result = $this->email->send();
}
}
}
private function _email_contact_form($data=array()) {
$result = array();
$result['subject'] = 'Enquiry from '.$this->config->item('app_name').' website';
$result['body'] = $this->load->view('emails/contact_form',$data,true);
return $result;
}
The controller:
PHP Code:
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Contactus extends MY_Controller {
function __construct() {
parent::__construct();
}
public function index() {
$this->load->library('recaptcha');
if( $this->input->post('act') == 'submit' ) {
$this->recaptcha->recaptcha_check_answer();
if( $this->recaptcha->getIsValid() !== true ) {
$this->data['errors'][]='Invalid Captcha';
} else {
$postdata = $this->_build_postdata( array('name','telephone','email','message') );
$this->data['errors'] = $this->Sys->contact_form_validate($postdata);
if( !$this->data['errors'] ) {
$result = $this->Sys->contact_form($postdata);
if( $result ) {
$this->data['successes'][]='Your message was sent, we will be in contact shortly';
} else {
$this->data['errors'][] = 'There was a problem sending your message, please try again later';
}
}
}
}
$this->_render();
}
}
The 'Sys' model:
PHP Code:
<?php defined('BASEPATH') OR exit('No direct script access allowed');
class Sys extends CI_Model {
function __construct() {
parent::__construct();
}
public function contact_form_validate($data) {
$errors = array();
if( !isset($data['name']) || !$this->form_validation->required($data['name']) )
$errors[] = 'You must enter a name';
if( !isset($data['telephone']) || !$this->form_validation->required($data['telephone']) )
$errors[] = 'You must enter a telephone number';
if( !isset($data['email']) || !$this->form_validation->valid_email($data['email']) )
$errors[] = 'You must enter a valid email address';
if( !isset($data['message']) || !$this->form_validation->required($data['message']) )
$errors[] = 'You must enter a message';
return $errors;
}
public function contact_form($data) {
if( !$this->contact_form_validate($data) ) {
foreach( $this->config->item('app_contact_form_emails') as $addr )
$this->Emailer->send_email('contact_form',$addr,$data);
return true;
}
return false;
}
}
the _wrapper.php view for the email:
Code:
<div style="background:#FFFFFF;">
<div style="padding: 28px 15px 28px 15px; background:#0065ad; color:#FFF;"><?= $this->config->item('app_name'); ?></div>
<div style="padding:15px 15px 15px 15px; color:#000000;"><?= $body ?></div>
</div>
the contact_form.php view for the email:
Code:
<p>You have received a new message from the <?= $this->config->item('app_name'); ?> website.</p>
<p><b>Name:</b> <?= htmlspecialchars($name); ?></p>
<p><b>Telephone:</b> <?= htmlspecialchars($telephone); ?></p>
<p><b>Email:</b> <?= htmlspecialchars($email); ?></p>
<p><b>Message:</b></p>
<p><?= nl2br(htmlspecialchars($message)); ?></p>
The email headers and source code from the first of the two emails i'm sending out in one request, this example is being sent out via gmail (i've removed some information specific to the client's project as well as some IP addresses and actual email addresses) The timestamps are wrong because i've used a test i did later in the day for the first example, but the results are the same with emails sent in order.
Code:
Return-Path: <[email protected]>
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on
server111-111-111-111.live-servers.net
X-Spam-Level: ****
X-Spam-Status: No, score=4.2 required=7.0 tests=DKIM_SIGNED,DKIM_VALID,
FREEMAIL_FROM,HTML_MESSAGE,MISSING_HEADERS,REPLYTO_WITHOUT_TO_CC,XPRIO
autolearn=no version=3.3.1
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: from server111-111-111-111.live-servers.net (localhost [127.0.0.1])
by server111-111-111-111.live-servers.net (Postfix) with ESMTP id 2D08C9D8062;
Wed, 16 Sep 2015 21:42:03 +0100 (BST)
Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177])
by server111-111-111-111.live-servers.net (Postfix) with ESMTPS;
Wed, 16 Sep 2015 21:42:03 +0100 (BST)
Received: by wicfx3 with SMTP id fx3so90115582wic.1;
Wed, 16 Sep 2015 13:42:07 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=sender:user-agent:date:from:subject:reply-to:message-id
:mime-version:content-type;
bh=9H3uCFQALQMdnXvQCisA+TZORrNYNjfjZD7smXGCadw=;
b=bU76OKrqxw8pHAZhrL0UedfS6C4K9GwEVEigAaq1uOCsim760lwUfLARA7pO1KBwGP
3npwoabI3IqS4XK+fgOLyna8ZAT+oAUSRxNA+6s3OaKQD5ABxzFNtywAFZv/lp5R/j1u
EEiiRnxvLI3GGfpJQUFvL0o4vYtmUMMPLBFybPMt9N2EAOZFK/dvjCub6jsGPvJNFwed
62yEHbMvNN3Y26SXSUTToCvsaEL5X9CG8qCaP6gM74D+dks5lyH8VIaCwAk8gPg+4yBn
JLi8ifjw9Oc7tbEqJPwOMSo9EUFgGOpJYB6/CmYJc4BVmL1kj6ZPv3CCqeVhpmjNdhLp
ZIoQ==
X-Received: by 10.194.113.101 with SMTP id ix5mr26977590wjb.66.1442436127521;
Wed, 16 Sep 2015 13:42:07 -0700 (PDT)
Received: from localhost (host-111-111-111-111.static.as13285.net. [111.111.111.111])
by smtp.gmail.com with ESMTPSA id r9sm28277519wjz.35.2015.09.16.13.42.06
(version=TLS1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
Wed, 16 Sep 2015 13:42:06 -0700 (PDT)
Sender: Removed <[email protected]>
User-Agent: Removed
Date: Wed, 16 Sep 2015 21:41:26 +0100
From: "Removed" <[email protected]>
Subject: Enquiry from Removed website
Reply-To: "[email protected]" <[email protected]>
X-Sender: [email protected]
X-Mailer: Removed
X-Priority: 3 (Normal)
Message-ID: <[email protected]>
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="B_ALT_55f9d3f6dd895"
This is a multi-part message in MIME format.
Your email application may not support this format.
--B_ALT_55f9d3f6dd895
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Removed
You have received a new message from the Removed website.
Name: ghjghjg
Telephone: ghjghj
Email: [email protected]
Message:
dfsgdfgdfgdf
--B_ALT_55f9d3f6dd895
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
<div style=3D"background:#FFFFFF;">
<div style=3D"padding: 28px 15px 28px 15px; background:#0065ad; color:#FFF;=
">Removed</div>
<div style=3D"padding:15px 15px 15px 15px; color:#000000;"><p>You have rece=
ived a new message from the removed website.</p>
<p><b>Name:</b> ghjghjg</p>
<p><b>Telephone:</b> ghjghj</p>
<p><b>Email:</b> [email protected]</p>
<p><b>Message:</b></p>
<p>dfsgdfgdfgdf</p></div>
</div>
--B_ALT_55f9d3f6dd895--
and this is the email headers and source code from the second email sent out in the same HTTP request
Code:
Return-Path: <[email protected]>
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on
server111-111-111-111.live-servers.net
X-Spam-Level: ****
X-Spam-Status: No, score=4.2 required=7.0 tests=DKIM_SIGNED,DKIM_VALID,
FREEMAIL_FROM,HTML_MESSAGE,MISSING_HEADERS,REPLYTO_WITHOUT_TO_CC,XPRIO
autolearn=no version=3.3.1
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: from server111-111-111-111.live-servers.net (localhost [127.0.0.1])
by server111-111-111-111.live-servers.net (Postfix) with ESMTP id A82579D8062
for <[email protected]>; Wed, 16 Sep 2015 21:40:41 +0100 (BST)
Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com [111.111.111.111])
by server111-111-111-111.live-servers.net (Postfix) with ESMTPS
for <[email protected]>; Wed, 16 Sep 2015 21:40:41 +0100 (BST)
Received: by wicfx3 with SMTP id fx3so1546625wic.0
for <[email protected]>; Wed, 16 Sep 2015 13:40:46 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=sender:user-agent:date:from:subject:reply-to:message-id
:mime-version:content-type;
bh=b5ftjI8mFViAjS2jc/b+UsrzJQ58XKfb2kbqjBXLKBg=;
b=jTsa7666wCrwGfQigJc9azLY+CA+AnSyueFV4x3BS46fDUAJxX1hCcjflXRsDxe7nx
c6zIoVs3bPJD1qnz+FC/JEga2unin9JKF8NsXRte3WuUrr6cwLwLPOS0fx5bznSMJVVP
OIMRHlMrT094zJOzZ1zdNokyH/OZOar9ryy+kwsLyqp+i5TLO+riyQSxFe6nS/1gYKA0
jwAmGwUU7FOQ6hu1kBKoKKpw+rBaxyOF9h3YbisHpUuFOFWid03DmfDlrHkoE7MrJxrp
BTmxeZe33cNGl1In0/BXqxwKjiJS/r3siV+m8X8RhaaO7wZiq6XwQLCXkL0rgwwNL5lM
FZpQ==
X-Received: by 10.194.78.34 with SMTP id y2mr55343644wjw.91.1442436045906;
Wed, 16 Sep 2015 13:40:45 -0700 (PDT)
Received: from localhost (host-111-111-111-111.static.as13285.net. [111.111.111.111])
by smtp.gmail.com with ESMTPSA id m4sm28327989wje.5.2015.09.16.13.40.44
for <[email protected]>
(version=TLS1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
Wed, 16 Sep 2015 13:40:44 -0700 (PDT)
Sender: Removed <[email protected]>
User-Agent: Removed
Date: Wed, 16 Sep 2015 21:40:01 +0100
From: "Removed" <[email protected]>
Subject: Enquiry from Removed website
Reply-To: "[email protected]" <[email protected]>
X-Sender: [email protected]
X-Mailer: Removed
X-Priority: 3 (Normal)
Message-ID: <[email protected]>
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="B_ALT_55f9d3a47afdd"
This is a multi-part message in MIME format.
Your email application may not support this format.
--B_ALT_55f9d3a47afdd
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
--B_ALT_55f9d3a47afdd
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
--B_ALT_55f9d3a47afdd--
as you can see from the above both parts of the multipart email are blank in the second email being sent out. I also get the blank email issue when sending the email out as a 'non-multipart' email and if i send the emails out as plain-text instead of HTML
I have a CI app i've written in CI v2.2.0 which sends out different emails to different user's by processing an 'email queue' from a database, and is sending up to 30 emails with a single request in some cases and i'm using similar code that i've shown above and i have no issues with blank emails. I have tried using the Email class from the 2.2.0 codebase in the v3.0.1 codebase and i still get the blank email issue.
So this is where i'm getting lost:
Same issue on two different servers both of which send out multiple emails with a single HTTP request fine in v.2.2.0 but not in v3.0.1 or v3.0.1 with the v2.2.0 email class.
Sending via two different SMTP hosts (Gmail and AWS) and sending out via mail() on two different servers causes the same issue.
Adding delay's to between sending emails makes no difference so i don't think it's a throttling issue.
the print_debugger() function show's everything being sent ok, although it's still showing the second email as being sent to the SMTP server as blank.
Single or Multipart emails have the same issue.
Sending out as HTML or Plain-text only also has the same issue.
I have also tried manually issuing the clear() method for the email class before and after sending the email, and i have also set the 'auto clear' to false when issuing the send() method for the email class, neither makes any difference.
There are no errors what so ever in the apache error logs when sending out via SMTP (both gmail and AWS) or via mail() on either server i'm testing with.
Hopefully i've listed enough information here to give you guys a good idea of what i'm doing and how i'm doing it. If anything is un-clear let me know and i'll try to provide you with some more information.
Thanks again
