Social Media Icons in E-Mails are always embedded from quiqqer.com
Social media icons in email footers and headers are defined via locale variables.
The locale variables are defined here: https://dev.quiqqer.com/quiqqer/quiqqer/-/blob/e5733cd1100add89b14a17bc5fa310fb35e2caa7/lib/locale/de.xml#L4123-L4169
The pictures for the social media logos are always loaded from https://www.quiqqer.com/media/cache/quiqqer/email/
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Is this done on purpose?
Persons using QUIQQER may not want content from external sources embedded in their mails.
Furthermore they probably do not want to link to QUIQQER's social media accounts but to their own.
I'd suggest that the icons are loaded from the system itself and link to nothing or to the system's domain.
Furthermore the "QUIQQER website besuchen" link should also point to the system's domain instead of quiqqer.com
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I know the locale variables can be altered to not load external content.
But as a normal user/administrator I wouldn't know how to do that.
So in my opinion, the behavior mentioned above should be the default.