No it is not allowed to cold call or send any emails without express permission from the recipient this is for austria/germany.
It seems that with the gpdr this is now eu wide:
It seems that with the gpdr this is now eu wide:
The law for that, at least in my country, is very clear: https://www.ris.bka.gv.at/NormDokument.wxe?Abfrage=Bundesnor...