E-Mail Image Header Missing for Some E-mails

Zen Cart Version 1.5.1

I find this one quite a bit puzzling me.

The first image link show the proper e-mail header with the logo image.
It works as it should.

This e-mail is generated as soon as customer successfully checking out.
http://imageshack.com/a/img673/526/MiGl26.png

However, the another e-mail show missing image with the link goes the "not found" path, which lead to missing images.

This e-mail is generated when web admin change the order status and this e-mail is generated.
http://imageshack.com/a/img910/9605/HjV7KG.png

Is there something that lead to this? It seems the 2nd e-mail used the admin's URL instead of the website's URL.

Sincerely, PanZC2020 (December 15th, 2014)

What's in your /admin/includes/configure.php file for HTTP_CATALOG_SERVER and DIR_WS_CATALOG ? I'm guessing they're wrong.

If you look at /includes/configure.php your HTTP_SERVER there should be copied into HTTP_CATALOG_SERVER for your admin configure.php. And DIR_WS_CATALOG should be the same in both files.

I got it! I had to change HTTP_CATALOG_SERVER to non-HTTPS address.

I was reading while upgrading to Ver. 1.5.1 that admin areas needed to be all HTTPS, so I put HTTPS address on HTTP_SERVER, HTTPS_SERVER, HTTP_CATALOG_SERVER, and HTTPS_CATALOG_SERVER. Guess that means as long as the site is not HTTPS on everything, I will still have to set the HTTP_SERVER and HTTP_CATALOG_SERVER to non-HTTPS address.

Thank you for your time, DrByte! (I read a lot of your suggestions/answers on other problems, that helped me a lot.)

Sincerely, PanZC2020 (December 15th, 2014)

In your ADMIN configure.php, if you want your entire admin to be SSL, set both HTTP_SERVER and HTTPS_SERVER to your admin https URL.

The defines containing CATALOG are merely tools used to reference store-side URLs.