Comment on Roundcube Webmail: SVG feImage bypasses image blocking to track email opensComments−stragies7moHmm, I wonder, if roundcube was the exception (w.r.t feImage), or if soon other webmail clients will need to be patched−nullcathedralOP7moAuthor here! I have looked at Thunderbird. I'll go and look at some others as well, should have probably done that earlier.−zimpenfish7moI wouldn't vouch 100% for my PHP understanding but it looks like SnappyMail removes `<svg>` elements entirely (`BuildHtml` in `snappymail/v/2.38.2/app/libraries/MailSo/Base/HtmlUtils.php`)
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Hmm, I wonder, if roundcube was the exception (w.r.t feImage), or if soon other webmail clients will need to be patched
Author here! I have looked at Thunderbird. I'll go and look at some others as well, should have probably done that earlier.
I wouldn't vouch 100% for my PHP understanding but it looks like SnappyMail removes `<svg>` elements entirely (`BuildHtml` in `snappymail/v/2.38.2/app/libraries/MailSo/Base/HtmlUtils.php`)