#1837 new

macOS High Sierra Blank Emails from PayPal

Reported by vic239 | September 22nd, 2017 @ 08:20 PM

Hi Benny.

In preparation for the upcoming macOS upgrade, I have installed macOS High Sierra 10.13 Beta (17A362a). In general MailMate Version 1.9.7 (5419) is working fine, however I have come across a strange phenomenon with recent emails from PayPay where the entire body of the email is blank. Some time in March 2017 something must have changed with them as all emails prior to that time are ok. The later emails are ok in Apple Mail. I've attached two exported messages, 2017-03-08-b1f4dd42a90c07df.eml displays ok 2017-03-10-0b14a5fca0fdd2c1.eml is blank. Any ideas?


Comments and changes to this ticket

  • benny

    benny September 23rd, 2017 @ 08:35 AM

    Do you have reason to think this is a High Sierra issue? (I've only tried to reproduce it on Sierra and I don't see any problems.)

    The emails are HTML only (bad behavior of PayPal), but this shouldn't be a problem. Do you use any of the “prefer plain text” related settings in MailMate?

  • vic239

    vic239 September 23rd, 2017 @ 08:46 AM

    The reason I think it is a High Sierra issue is that I only see it when running High Sierra (I have a cloned High Sierra partition so can switch easily). Like you running Sierra the emails display ok. I also have the beta running on a Macbook which has the same issue.

    I don't have the "Prefer plain text" option checked.

  • benny

    benny September 23rd, 2017 @ 08:47 AM

    Thanks, I'll reboot in High Sierra later and see if I can reproduce it. (It's just surprising that there should be a difference.)

  • benny

    benny September 28th, 2017 @ 07:39 AM

    • State changed from “new” to “reproduced”

    I can reproduce the issue, but I don't have any idea why this happens yet. I'll look into it now.

    For privacy reasons I'll delete the attachments. I have a local copy.

  • benny

    benny September 28th, 2017 @ 07:40 AM

    I am, by the way, only seeing the issue with the second attachment.

  • vic239

    vic239 September 28th, 2017 @ 08:46 AM

    Ok thanks benny, that’s the same as I see here.

    All emails from PayPal including and before (chronologically) the good one display ok and all subsequent ones are blank just the light grey frame where the body would appear.

  • benny

    benny September 28th, 2017 @ 01:28 PM

    I've now reduced the problem to the following HTML code:

    <style type="text/css">  
        td { line-height:22px; }
        <td style="font-size:0px;"> </td>
    This is not displayed...

    A font size of 0, a styled line height of 22 and a non-breaking-space in a table are in play here. It's possible that it can be further reduced.

    Now, I tried to reproduce this issue in a clean new Xcode project and I cannot do that. Something I do in MailMate somehow triggers this bug in the WebView, but this is hard to track down and it might not even be something I can change. I'll give it some more thought.

  • benny

    benny September 28th, 2017 @ 02:28 PM

    For the record, I tried updating to 10.13.1 (developer preview). It did not fix the issue. I'll explore other options. It's a surprisingly frustrating bug :)

  • benny

    benny October 5th, 2017 @ 07:32 PM

    • State changed from “reproduced” to “fixcommitted”

    I forgot to update this ticket when making a workaround for this problem on High Sierra. It's a pretty bad workaround involving searching/replacing font-size:0 with font-size:1, but it'll have to do for now.

    Hold down ⌥ when clicking “Check Now” in the Software Update preferences pane.

  • vic239

    vic239 October 5th, 2017 @ 08:36 PM

    Perfect, thanks Benny. Sorry to have given you such a tricky issue.

  • benny

    benny October 6th, 2017 @ 08:33 AM

    That's not your fault. I'm just sorry that I couldn't find a better fix...

  • benny

    benny October 21st, 2017 @ 03:32 PM

    • State changed from “fixcommitted” to “fixreleased”

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