[Tickets #4672] Bloxked images in HTML mail virtually invisible

[bugs@bugs.horde.org]

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Ticket URL: http://bugs.horde.org/ticket/?id=4672
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 Ticket             | 4672
 Created By         | Otto.Stolz at uni-konstanz.de
 Summary            | Bloxked images in HTML mail virtually invisible
 Queue              | IMP
 Version            | 4.1.2
 Type               | Bug
 State              | Unconfirmed
 Priority           | 2. Medium
 Owners             | 
+New Attachment     | display.html
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Otto.Stolz at uni-konstanz.de (2006-11-17 02:41) wrote:

If preference html_image_replacement is set, the notice "Blocked images
appear like this: " shows a 10 px  × 10 px red square; however, a blocked
image appears as single red pixel (which may well be missed).

Reason: this erroneous HTML code:
<img alt=":-)"
src="/horde/imp/themes/graphics/spacer_red.png"/horde/imp/view.php?index=430&amp;mailbox=INBOX&amp;actionID=view_attach&amp;id=2&amp;mimecache=839732dbe4fb9a173835a6f6324a51fc">
(The full HTML code for the message display is in attachment
display.html.)