signature image not sent with mail


I have the following problem with the webapp: images in the signature are not sent with the mail and therefore not visible on the recieving end.

How can I solve this?

I am testing with kopano and webapp

Best regards,


I checked it, this is not the problem I’m having.

I used the ‘’ script to create personalized signatures with the company logo. In the ‘signature.html’-template I have the relative path to the image, sending the mail makes this an absolute path.

We are looking to replace outlook with the webapp, I did this the same way in outlook, there the relative path is replaced by CID:… and the image is sent with the mail.


Is there a solution to this problem?
I generated a signature with the included script but the images don’t get sent with the email.

We want to migrate to Kopano but this is holding us back.

Hi Joris,

In your signature.html you can add a base64 encoded image.


<img src="data:image/png;base64, iVBORw0KGgoAAAANSUhEUgAAAAUA
    9TXL0Y4OHwAAAABJRU5ErkJggg==" alt="Red dot" />

Thanks Marty, this works.

Best regards,

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