It didn't work. :( Em sex., 6 de nov. de 2020 às 11:30, Matus UHLAR - fantomas < [email protected]> escreveu:
> On 06.11.20 11:10, Rafael Azevedo wrote: > >How can smtpd_sender_login_maps fix this issue? > >As far as I know, this is only a shortcut for authentication. > >ie: login as "raffus" will translate the user to "[email protected]". > > >Am I missing something here? > > no, I was: > > after that you can use directives like: > reject_sender_login_mismatch > reject_known_sender_login_mismatch > reject_unauthenticated_sender_login_mismatch > > in smtpd_sender_restrictions, which should do what you want. > > > >Em sex., 6 de nov. de 2020 às 10:42, Matus UHLAR - fantomas < > >[email protected]> escreveu: > > > >> On 06.11.20 09:48, Rafael Azevedo wrote: > >> >This is an old issue and I believe it has already focused on older > >> >discussions. > >> > > >> >I'm receiving SPAM from my own address. > >> > > >> >Checking server logs, user is not authenticating and the only way this > >> >spammer can play a trick is by sending an email to its own address (ie: > >> >from [email protected] to [email protected]). > >> > > >> >Is there a way to avoid this practice ? > >> > >> on your server: use smtpd_sender_login_maps > >> > >> on other servers: implement SPF,DKIM and DMARC for your domain. > >> > >> note that some servers don't enforce DMARC, so mail from your address > >> may still appear on the internet. > > -- > Matus UHLAR - fantomas, [email protected] ; 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. > Chernobyl was an Windows 95 beta test site. >
