Do you mean with the help of reject_unknown_client_hostname and check_sender_access params?
пн, 8 февр. 2021 г. в 16:37, Matus UHLAR - fantomas <uh...@fantomas.sk>: > On 08.02.21 16:27, Eugene Podshivalov wrote: > >Have read through the postscreen documentation closely and got it setup > and > >running already, but could not find the three major possibilities provided > >by the tcp wrappers: > >1. block by hostname > >2. block clients with unknown hostname > >3. block clients with invalid address<->name mapping > > > >The last two produce the major bulk of spambot connections. > > >Are there any other means to achieve these? > > you can block these at smtpd level. > Postscreen doesn't (and won't) check for reverse hostname. > > -- > Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ > Warning: I wish NOT to receive e-mail advertising to this address. > Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. > "The box said 'Requires Windows 95 or better', so I bought a Macintosh". >
