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Ical not shown with AddEmbeddedImage or AddAttachment #2315

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Borsti26 opened this issue Apr 17, 2021 · 9 comments
Closed

Ical not shown with AddEmbeddedImage or AddAttachment #2315

Borsti26 opened this issue Apr 17, 2021 · 9 comments

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@Borsti26
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Borsti26 commented Apr 17, 2021 •
edited by Synchro
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Problem description

If i want to send a mail with ical event and an Embedded Image or Attachment the ical is not shown.
Without Embedded Image or Attachment the ical is vissible.
I testet Outlook and Gmail.

Code to reproduce

$mail = new PHPMailer;
$mail->isSMTP();
$mail->SMTPOptions = array(
    'ssl' => array(
        'verify_peer' => false,
        'verify_peer_name' => false,
        'allow_self_signed' => true
    )
);
$mail->Host = $ma['smtp'];
$mail->SMTPAuth = true;
$mail->Username = $ma['user'];
$mail->Password = $ma['pass'];
$mail->SMTPSecure = 'tls';
$mail->Port = $ma['smtp_port'];
$mail->CharSet = 'UTF-8';
$mail->setFrom($ma['mail'], $ma['name']);
$mail->addAddress("[email protected]");
$mail->isHTML(true);

// Without AddEmbeddedImage the ical is shown
$mail->AddEmbeddedImage("/var/www/html/img/logo.png", "phpmailerlogo", "logo.png");

$mail->Subject = "Ical with AddEmbedded or AddAttachment not working";
$mail->Body    = 'Test Mail with Embedded Image and Ical<br/><img src="cid:phpmailerlogo" /><br/>Thanks for help.';

$ical_content = 'BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Mailer//Mailer Termin//DE
METHOD:REQUEST
BEGIN:VEVENT
UID:'.md5(uniqid(mt_rand(), true)).'
ORGANIZER;CN=Mailer:[email protected]
LOCATION:Berlin
SUMMARY:Test Event
DESCRIPTION:Problem
DTSTART:20210430T140000
DTEND:20210430T150000
DTSTAMP:20210416T140000
END:VEVENT
END:VCALENDAR';

$mail->AltBody = $ical_content;
$mail->Ical = $ical_content;

$mail->send();

Debug output

ical is missing
@Synchro
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Synchro commented Apr 17, 2021

Is the iCal content actually sent in the message? Debug output with SMTPDebug = 2 will show that.

Also why are you disabling certificate verification? That's a dangerous thing to do, so you need to be sure exactly why you're doing it.

@Borsti26
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Borsti26 commented Apr 17, 2021 •
edited
Loading

Yes it seems so.

2021-04-18 09:21:39 SERVER -> CLIENT: 220 Exchange-01.xxx.local Microsoft ESMTP MAIL Service ready at Sun, 18 Apr 2021 11:21:38 +0200
2021-04-18 09:21:39 CLIENT -> SERVER: EHLO mail.xxx-wb.net
2021-04-18 09:21:39 SERVER -> CLIENT: 250-Exchange-01.xxx.local Hello [192.168.2.205]250-SIZE 37748736250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-STARTTLS250-X-ANONYMOUSTLS250-AUTH NTLM250-X-EXPS GSSAPI NTLM250-8BITMIME250-BINARYMIME250-CHUNKING250 XRDST
2021-04-18 09:21:39 CLIENT -> SERVER: STARTTLS
2021-04-18 09:21:39 SERVER -> CLIENT: 220 2.0.0 SMTP server ready
2021-04-18 09:21:39 CLIENT -> SERVER: EHLO mail.xxx-wb.net
2021-04-18 09:21:39 SERVER -> CLIENT: 250-Exchange-01.xxx.local Hello [192.168.2.205]250-SIZE 37748736250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-AUTH NTLM LOGIN250-X-EXPS GSSAPI NTLM250-8BITMIME250-BINARYMIME250-CHUNKING250 XRDST
2021-04-18 09:21:39 CLIENT -> SERVER: AUTH LOGIN
2021-04-18 09:21:39 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2021-04-18 09:21:39 CLIENT -> SERVER: [credentials hidden]
2021-04-18 09:21:39 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2021-04-18 09:21:39 CLIENT -> SERVER: [credentials hidden]
2021-04-18 09:21:39 SERVER -> CLIENT: 235 2.7.0 Authentication successful
2021-04-18 09:21:39 CLIENT -> SERVER: MAIL FROM:<[email protected]>
2021-04-18 09:21:39 SERVER -> CLIENT: 250 2.1.0 Sender OK
2021-04-18 09:21:39 CLIENT -> SERVER: RCPT TO:<[email protected]>
2021-04-18 09:21:39 SERVER -> CLIENT: 250 2.1.5 Recipient OK
2021-04-18 09:21:39 CLIENT -> SERVER: DATA
2021-04-18 09:21:39 SERVER -> CLIENT: 354 Start mail input; end with <CRLF>.<CRLF>
2021-04-18 09:21:39 CLIENT -> SERVER: Date: Sun, 18 Apr 2021 11:21:39 +0200
2021-04-18 09:21:39 CLIENT -> SERVER: To: [email protected]
2021-04-18 09:21:39 CLIENT -> SERVER: From: "XXX" <[email protected]>
2021-04-18 09:21:39 CLIENT -> SERVER: Subject: Ical with AddEmbedded or AddAttachment not working12
2021-04-18 09:21:39 CLIENT -> SERVER: Message-ID: <[email protected]>
2021-04-18 09:21:39 CLIENT -> SERVER: X-Mailer: PHPMailer 6.4.0 (https://github.com/PHPMailer/PHPMailer)
2021-04-18 09:21:39 CLIENT -> SERVER: MIME-Version: 1.0
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Type: multipart/alternative;
2021-04-18 09:21:39 CLIENT -> SERVER: boundary="b1_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8"
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Transfer-Encoding: 8bit
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: This is a multi-part message in MIME format.
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: --b1_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Type: text/plain; charset=us-ascii
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: BEGIN:VCALENDAR
2021-04-18 09:21:39 CLIENT -> SERVER: VERSION:2.0
2021-04-18 09:21:39 CLIENT -> SERVER: PRODID:-//Mailer//Mailer Termin//DE
2021-04-18 09:21:39 CLIENT -> SERVER: METHOD:REQUEST
2021-04-18 09:21:39 CLIENT -> SERVER: BEGIN:VEVENT
2021-04-18 09:21:39 CLIENT -> SERVER: UID:23fd85c3b58071fb3f3347056e5f5e45
2021-04-18 09:21:39 CLIENT -> SERVER: ORGANIZER;CN=Mailer:[email protected]
2021-04-18 09:21:39 CLIENT -> SERVER: LOCATION:Berlin
2021-04-18 09:21:39 CLIENT -> SERVER: SUMMARY:Test Event
2021-04-18 09:21:39 CLIENT -> SERVER: DESCRIPTION:Problem
2021-04-18 09:21:39 CLIENT -> SERVER: DTSTART:20210430T140000
2021-04-18 09:21:39 CLIENT -> SERVER: DTEND:20210430T150000
2021-04-18 09:21:39 CLIENT -> SERVER: DTSTAMP:20210416T140000
2021-04-18 09:21:39 CLIENT -> SERVER: END:VEVENT
2021-04-18 09:21:39 CLIENT -> SERVER: END:VCALENDAR
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: --b1_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Type: multipart/related;
2021-04-18 09:21:39 CLIENT -> SERVER: boundary="b2_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8";
2021-04-18 09:21:39 CLIENT -> SERVER: type="text/html"
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: --b2_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Type: text/html; charset=us-ascii
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: Test Mail with Embedded Image and Ical<br/><img src="cid:phpmailerlogo" /><br/>Thanks for help.
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: --b2_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Type: image/png; name=logo.png
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Transfer-Encoding: base64
2021-04-18 09:21:39 CLIENT -> SERVER: Content-ID: <phpmailerlogo>
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Disposition: inline; filename=logo.png
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: iVBORw0KGgoAAAANSUhEUgAAAFUAAAAyCAYAAAAtBJe4AAAG3ElEQVR42u2bfWwTdRjHn7ZTdAiC
2021-04-18 09:21:39 CLIENT -> SERVER: ig5HoH90XXt9u2sdL4oyoS9DB9kLRcQEGazXLYPRDRViVCYvITGiRGMI/jnBSLsOyFQEnTBejBuL
2021-04-18 09:21:39 CLIENT -> SERVER: 7wGUIEbB14BGNAYHq8/THdmyrC/XXu+K6Td5suXud7+753PP737P77kr5JRTTjnllBm1gc0U0thr
2021-04-18 09:21:39 CLIENT -> SERVER: 2tRcXZuGWzbcwhp26Vtqe6AHihqD4NXAEJldvkqTy/cm4+RfMLn4Z81uviUThv2vY1y+bcyDPhNk
2021-04-18 09:21:39 CLIENT -> SERVER: SOE8zokM1obV3Oow+juShdTsE9QmCCUFEE/UCTbsR4vEsrfBGtkP5ldKS0vztBWBcSAIgXYjzIgc
2021-04-18 09:21:39 CLIENT -> SERVER: Znb6IgUVAS2g6OZ2gCNfMqDAPUB+JmshsN8fP1LV9iZseCVWB0G1PXIcdN2Ayl+4+jWLk7cMQuV7
2021-04-18 09:21:39 CLIENT -> SERVER: 5ILKuP3bQVA3FN8TVDn2tACoQQKFVNwBMVCDYJsK8URhHQtqCO19MGEn3ASDq37W5PKGPsc8Pl/u
2021-04-18 09:21:39 CLIENT -> SERVER: SDU7+ciEysaZIGgPsJui16exV6UdpRr2YepLHqhkKi7yMeg3A2pMdfMJCw5Br9erUWD4fwKCjoBl
2021-04-18 09:21:39 CLIENT -> SERVER: fEhtvxi9Pg3XA2kK+zgqG1Qa9ofA+COgtHNXTtfNrSfnflMCauG8hgAI6gDLM0OvEyNtccrDXsN6
2021-04-18 09:21:39 CLIENT -> SERVER: qQ/ZoLYDG+kC4yOAur0qcIiilHHx5+SGiue9nL/oqbsBdRp0o/Bmnx92rV9BisJjP5UNKkXpUTB0
2021-04-18 09:21:39 CLIENT -> SERVER: RYFWBmYbPH5yUBGo+rL6VhD0ATD+kZxEH/gUhv0yOlY2qBSlh6H4PgHqfowWRaDSecdWr/KAoLCK
2021-04-18 09:21:39 CLIENT -> SERVER: 643h6LdiMwE85hvZoFKUHoPi3VGg81aVGN3RKFUEqsHD9w5OUEZnKL6zzZCcKDdfScfIBpWi9BDo
2021-04-18 09:21:39 CLIENT -> SERVER: S4Qo3YHRIhFU3wHTHH8Z4/TXmN2+ZSMZtqs1uX2LzE5/ldVV++ho75MFIGg32FrjOYrAf05mQRAE
2021-04-18 09:21:39 CLIENT -> SERVER: 5kZsf042qCG0I6APR4GWNxVilPYTEEmguvnNkKIOAlOAI+ifhCsdNfs0JBD6uIbaygcV89Ju0M0A
2021-04-18 09:21:39 CLIENT -> SERVER: 1Liq5vUUpRJCfRlS1C6sSyTjLA7rizsxj4UY2gvFY7Ddr7JC/RCYfSCoqKzuDMLICqg4U3cl7zS7
2021-04-18 09:21:39 CLIENT -> SERVER: MXaU2luojTxQB9f48wF1S3VzNUVpNkANgrVYpNN/7QXzXTBMtNTGOsefskAVCiqRDrCeA0GT5jeE
2021-04-18 09:21:39 CLIENT -> SERVER: EERWQL1200XalhFSqM20TxaoNCRogsI0asO1CQoh9EkN1eziX8z40B+0vt3AakEQQijEbZdlg4rP
2021-04-18 09:21:39 CLIENT -> SERVER: oO1YOLncBQYLoMZXBHgzQpAWKpl/K5BaWtTUx0hG+3RzV45ivC03Dsz6Bm0azm8bEqWv0jbZoOKz
2021-04-18 09:21:39 CLIENT -> SERVER: dGsnMLtAkK6s/j1TRqDyl9DOUh+xDPdfwL9/TKwMGAF1GAxL03GeZvtWsI6m/2WF+g6wLE5QXDRK
2021-04-18 09:21:39 CLIENT -> SERVER: vY2TcYLqFwtVStN76i5oS5feBCis5bam4Tzl3RswzVqfQaiJpS1fUUOOKQl1cvmKzsEyn/VMmgCu
2021-04-18 09:21:39 CLIENT -> SERVER: kikK1eKs3ak01DsqV70EKHrGh1XkRPaZGKgqdOp7paHeVtlUA6iPoIjPFogpQ2U8dVPJKSWhMlgR
2021-04-18 09:21:39 CLIENT -> SERVER: m1jR6BAmqddlBNVPJjlUTM6blIZa5Kn/HYT+D4CpJ15FCiegXumgsm9QPix9pLr8u5SGWljecAxQ
2021-04-18 09:21:39 CLIENT -> SERVER: QZhx816w/R3Hse/awW7Ev6fTBUo3aAdMG4vFpE7JoaJTp5WGemdFYPtA0m+cnmCS6htYbdkXShCp
2021-04-18 09:21:39 CLIENT -> SERVER: dcIC4YSkUI2zl08hpzIM9QLaZ2gnhxvj5E9hftw3ekHzkoFJSr8kgWNXguC4VVjGHk8D6OdDVl0n
2021-04-18 09:21:39 CLIENT -> SERVER: JYVqcvo8mYfq2wJJqhNMGxNDtRUCqj2PdaUMVcM+lCmo9DxtHg5ByYJKUMW1JQtVALJTNFA8B6Ay
2021-04-18 09:21:39 CLIENT -> SERVER: AtXh4G+gYsdwCEqW/kIa9ogYqGHgpuC2f8VAbQebPmNQTZ7lOnR4X7ZApVfNeOE/iIEqQHkuWShY
2021-04-18 09:21:39 CLIENT -> SERVER: o90EqIxBZdz8NHS6J1ug0jsmqt6LhXoQSvNw+9kkoPw0+NY1U5Hq9i9Ap89nC1QalnThYqEKj43H
2021-04-18 09:21:39 CLIENT -> SERVER: Eh2LbWoBlVGo9K4d7VK2QA0Be2+qUAU4a/EV0Zc4Eb2LwzyISX2oTcV24PYvwmp2HaBkgOpfQ05n
2021-04-18 09:21:39 CLIENT -> SERVER: DdQ8mzt1qIklF9TnswkqrZKue6iUP2YTVPrhxnUPlXLUrIKqtvM5qBJDpe8Q/gdQfVtEFEXOD4WK
2021-04-18 09:21:39 CLIENT -> SERVER: kHulj1RutTJQ7aeSXpGBY1qiYsoGEVB/offyQ27IUTHv/SWEejUM1kkSR+rXyUcqNwPiyeLmDbQA
2021-04-18 09:21:39 CLIENT -> SERVER: MDt9C+m70FhmcvKLjS4/VXVUIIhx8jMxAh+n/fEs+k3qnForJCH6NR1e9CwaYiMZORQGtoS+MwUJ
2021-04-18 09:21:39 CLIENT -> SERVER: FQSHBW0mnSOWhcE+nfJo+pYAcsopp5wG9B/9gHVZYc8ZLAAAAABJRU5ErkJggg==
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: --b2_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8--
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: --b1_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8--
2021-04-18 09:21:39 CLIENT -> SERVER:
2021-04-18 09:21:39 CLIENT -> SERVER: .
2021-04-18 09:21:40 SERVER -> CLIENT: 250 2.6.0 <[email protected]> [InternalId=82149839470601, Hostname=Exchange-01.xxx.local] Queued mail for delivery
2021-04-18 09:21:40 CLIENT -> SERVER: QUIT
2021-04-18 09:21:40 SERVER -> CLIENT: 221 2.0.0 Service closing transmission channel

Thanks for the certificate hint, thats only for test case. But i want to send my complete used code, not that this cause the behavior.

@Synchro
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Synchro commented Apr 18, 2021 •
edited
Loading

I found your problem:

PHPMailer 5.2.16

Both the issue template and the troubleshooting guide tell you to make sure you're using the latest version. Meanwhile your application may be vulnerable to a serious RCE security hole, so I suggest you go update it.

@Synchro Synchro closed this as completed Apr 18, 2021
@Borsti26
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Sorry i have two Server. And my First Log was from the old Version. I Use Version PHPMailer 6.4.0.
See the Log in my Last comment i updated.

@Borsti26
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Borsti26 commented Apr 19, 2021 •
edited
Loading

I compared now the log with and without Attachment.

b1 is the ical and with attachment it has no longer the Content-Type: text/calendar.

2021-04-18 09:21:39 CLIENT -> SERVER: --b1_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8
2021-04-18 09:21:39 CLIENT -> SERVER: Content-Type: multipart/related;
2021-04-18 09:21:39 CLIENT -> SERVER: boundary="b2_FtOMFVLQS6l8efsviFYtfouvCssROxOmQjRjwRpVz8";
2021-04-18 09:21:39 CLIENT -> SERVER: type="text/html"

Here without attachment which is working.

2021-04-19 08:31:53 CLIENT -> SERVER: --b1_vlHsq55Kppi7tlpNfr1UDiUxzY8qHeji7vRwYTGvsQE
2021-04-19 08:31:53 CLIENT -> SERVER: Content-Type: text/calendar; method=REQUEST; charset=UTF-8
2021-04-19 08:31:53 CLIENT -> SERVER: Content-Transfer-Encoding: 8bit

This might be the problem !?

@Synchro
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Synchro commented Apr 19, 2021

Very likely. If you look at the way that messages are constructed, there are just a few fixed combinations, and not all of them include calendar support. In this case you're ending up in the alt_inline_attach structure, which is indeed missing Ical support.

@Borsti26
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Ok i understand.
Maybe, than to just attach the ical is the more trustable way.

Thanks.

@Synchro
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Synchro commented Apr 19, 2021

Unfortunately iCal support across email clients is a mess, so using a simple attachment will work in some clients but not others – see #175 for some discussion and history on that.

@Borsti26
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Ok, i see.
Thanks for your help.

Have nice day.

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