Friday's incident follows another in the town of Deauville in Normandy last week, when Elie Lemmel said he was punched in the stomach by an unknown assailant.
Poissy mayor Sandrine Dos Santos condemned "in the strongest terms the incident that occurred in a synagogue in Poissy."
The flames in Paris are not just physical. They are the burning embers of decades of self-delusion.
Macron previously announced that France might recognize a Palestinian state in June, prompting criticism from Israeli and American officials.
David Hennequet, commander at the Deauville police station, told Ouest-France that the rabbi was struck by three drunken individuals at around 3:30pm.
Arcom, France's digital and audiovisual communication regulator, can request that porn websites are blocked and levy fines if it deems their age verification systems are insufficient.
"In Paris, synagogues and the Shoah Memorial: desecrated. In Lyon: a school set on fire and defaced with swastikas."
The suspect, a 53-year-old man who practices shooting as a sport, published what it said was hateful and racist content on his social media account before and after Saturday's killing.
Banksy, known for his social commentary, painted a lighthouse with "I want to be what you saw in me" stencilled over it.