I had a simple email to Germany rejected by Deutsche Telecom because of iFrames in HTML section. See part of our email exchange and part of HTML section copied below. I… (Lesen Sie mehr)
I had a simple email to Germany rejected by Deutsche Telecom because of iFrames in HTML section. See part of our email exchange and part of HTML section copied below. I use AOL, but I believe the iFrame is placed by Mozilla. I don't understand any of this but I believe it may be important for Mozilla to be aware of and possibly work with Deutsche Telecom on a fix. Thank you, John Grace
From: Deutsche Telekom E-Mail Engineering Bruno Wild <email@example.com>
To: John Grace <firstname.lastname@example.org>
Date: Sat, Apr 3, 2021 12:38 pm
Dear Mr. Grace,
on Sat, 3 Apr 2021 15:09:41 +0000 (UTC), you wrote:
> I typed this short email to an old friend in Germany myself. It is
> basically a text file and contains no attachment.
We found iframes in the HTML part of your e-mail. Such elements are
rejected by our system in general.
<iframe id=3D"fg_security_popup_iframe" src=3D"moz-extension://eb943ad9-f8bb-4627-9b4f-0273042fa38b/content/ui/fireglass/fg_popup.html" style=3D"display: none;" frameborder=3D"0"></iframe></div>