This is a support question, not an enhancement request.

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I'm trying to configure an e-mail signature that includes an image.   
I'm using the HTML option and adding an image from a web location on 
the same server where Horde is installed.

It seems that the signature works fine, but the image is not 
visualized.  When I sent an e-mail, the recipient just see a line as 
if the image was completly reduced.

I tried to adjust the size and the proportion but it does't matter, I 
still seeing the same.

I already check the documentation, but all the documents I red, they 
just explain how to add the image on the signature, but there are 
nothing about if the image is not seen correctly.

What can I do?  Is something missing on the steps I followed?

Thanks in advance for your help.