I tryed Vlk’s patch to ashMaiSv.exe (disabling the service and the providers, overwriting the files and starting all over again): Unsuccesful.
I booted, the same 
I uninstall > boot > install > boot, the same :-[
Disable firewall, uninstall firewall… I’m tired 
Why can’t I send authenticated emails since version 4.5.518 or the earliers betas of the 4.5?