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TOPIC: Outlook not seeing inline images in email

Outlook not seeing inline images in email 5 years 2 months ago #39865

  • blbeta
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I have a admin email for a form that sends all uploaded images in an email inline. One particular person's email with Outlook has just blank white space where the images are suppose to be. Not even a box with red x, which is common. I viewed the source of the email in Outlook. It even shows the code for the pics, but doesn't produce them.

Everywhere else I try this, the email client is showing the remote pictures. Gmail, Thunderbird, Microsoft Mail app. I am waiting on confirmation that another user with Outlook is seeing them just fine. I believe it is a strange Outlook setting or account setting in Outlook. The user has forwarded the emails to others in her company and they do not see them either. I see them just fine when she forwards it to me.

I really do not think this is an RSForm! Pro issue, but wanted to see if anyone else has had a similar issue and knows what is going on?
Outlook image:
https://pasteboard.co/IUwNiYf.jpg

Thunderbird image:
https://pasteboard.co/IUwNQuA.jpg

RSForm! Pro Admin email = html:
https://pasteboard.co/IUwPvmx.jpg
Last Edit: 5 years 2 months ago by blbeta.
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Outlook not seeing inline images in email 5 years 2 months ago #39887

  • blbeta
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After much help from RSJoomla! and Microsoft on eliminating possible causes it comes to this.

Turns out Outlook 365 has some "bugs" or "features", depending how you look at it, with inline image resolution. File size didn't seem to play a part. Below is what I figured out.

If your inline image is larger than a particular resolution it is bugged or blank in Outlook.

Outlook 365 v. 16.0.12430.20198 64-bit
Office 365 Build 12430.20288

Inline Image Width in px

2900px+ the images end up being blank
2900px-2200px the image is squished to the left side of the email, only a few pixels wide
2100px or less and the images work as they should.

I did not test any image heights. The test images was 1600x1200. I used ten image upload fields. I resized the image starting at 4000px and worked down by 100px increments on each field. I would submit the form and get the email. In doing so from 4000px down to 1200px that is what I found.

It is an odd problem that apparently most people have never run into, but I wanted to put the info here on the off chance it helps someone else.
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Read this first!

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