Carrying this over from bug 129285. See attachment 72795 [details] from that bug. HTML messages can inline images that have been attached to the bug. The <img> tags can refer to the attachments in one of two ways: using a cid: URI, or using a simple path indicator. For the former, the attachment must have a Content-ID: header; for the latter, a Content-Location header. Reference RFC 2557: http://www.faqs.org/rfcs/rfc2557.html When viewing such a message as Original HTML, both techniques work fine. When viewing as Simple HTML, only the cid:-specified images are shown; images using the relative path to Content-Location-specified images are not shown, just their 'alt' text (if any) is rendered. Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8a) Gecko/20040510 Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.6) Gecko/20040113
sorry for the spam. making bugzilla reflect reality as I'm not working on these bugs. filter on FOOBARCHEESE to remove these in bulk.
Assignee: sspitzer → nobody
Product: Core → MailNews Core
Confirmed when I view attachment 72795 [details] as Simple HTML, no images are shown. Thunderbird 52.1.0 (32-bit) Windows 7 64-bit
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