[Users] Email rendering in ZWC broken by an ad block rule update

Frédéric Nass frederic.nass at univ-lorraine.fr
Wed Apr 14 11:28:00 CEST 2021


This is to report that a recent update to Easylit filter rules (used by 
add many ad blockers like uBlock, Adblock, etc.) broke email rendering 
in Zimbra (blank reading pane) for clients using ad blockers.

Commit history is here: 

The "##iframe[src="about:blank"]" rule was removed a few minutes ago but 
it may take some time for the clients to get the update.

Best regards,



Frédéric Nass

Direction du Numérique
Sous-Direction Infrastructures et Services
Université de Lorraine.

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