Comment on Roundcube Webmail: SVG feImage bypasses image blocking to track email opensparentComments−iamacyborg7moIt's supposed to be static.Says who? It's not in the original RFC as far as I'm aware.−SahAssar7moI'm pretty sure the original RFC (RFC 821) does not include remote resources and it was written far before HTML or HTTP was invented.It was text delivered over SMTP.
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Says who? It's not in the original RFC as far as I'm aware.
I'm pretty sure the original RFC (RFC 821) does not include remote resources and it was written far before HTML or HTTP was invented.
It was text delivered over SMTP.