IIRC I did get a roadblock attaching a zip file with GMail several years ago. GMail also complained about direct-attaching a locally-built, unsigned exe file t

IIRC I did get a roadblock attaching a zip file with GMail several years ago. GMail also complained about direct-attaching a locally-built, unsigned exe file to an address that I'd never corresponded with. To be fair this probably should have caused suspicion :)