Noel Jones a écrit : > Bruno GRANDJEAN wrote: >> >> thks for replying to me so quickly, I will add a: >> reject_rbl_client zen.spamhaus.org >> in my /etc/postfix/main.cf >> I already added : >> reject_rbl_client ips.backscatterer.org >> >> how can I reject mail from outside claiming to be from my domain? > > [plain-text only please] > [please don't top post] > > something like: > smtpd_sender_restrictions = > permit_mynetworks > check_sender_access hash:/etc/postfix/not_my_domain > > # not_my_domain > example.com REJECT > > This is not without risk. Some legit mail (mostly notification services > and some mail lists) will arrive with your domain as sender, but this > might help as a short-term solution to your problem. > > Don't be tempted to reject your domain in the From: header, that would > reject a great deal of legit mail - such as your postings to this list. > > ips.backscatter.org won't help too much since this isn't backscatter, > and is also likely to reject legit mail unless you use it like this: > smtpd_data_restrictions = > permit_mynetworks > check_sender_access hash:/etc/postfix/no_backscatter > > # no_backscatter > <> reject_rbl_client ips.backscatterer.org > > Which will reject only bounces from them (including legit bounces). >
as well as SAV probes such as those of sourceforge lists. so if really needed, better put this under data restrictions.
