Provide Image support in HTML signatures (with workaround)
It is possible to create HTML signatures by pasting the rendered version of the HTML signature (from your browser or an email) into the signature field in the settings for the account.
However, images are not supported at the moment.
I have a nice workaround for this. You can directly geary account config file. In Fedora I found it in ~/.var/app/org.gnome.Geary/config/geary/account_01/geary.ini
. There you can put/edit HTML in the signature=
field (must be on a unique line).
Here comes the trick : image sources can be inserted directly in the HTML with a 64 bits encoding. Encode your image with the following command line in bash : base64 path/to/the/image
, and insert the result in HTML, for instance like in the following example :
<img alt="Tétras Libre" src="data:image/png;base64,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" width="52" height="60" style="max-width:60px;max-height:60px;margin-right:10px"/>
Et voilà ! You have a nice image in your signature !
I hope this helps as a workaround, it also could be a way to implement image support in Geary HTML signatures...