Nick Howitt ha scritto: > Sorry about your experience with the postfix mailing list. I found > them > quite helpful in the past. If you want a bad experience as a newbie, > try > the spamassassin list!
..BBRRR!! Not now,I want to feel comfortable :-D Anyway in most cases I found (very, but very very) good people in opensource!! > > On 16/11/2016 17:28, Davide Marchi wrote: >> <snip> >> <snip snip> > I know I am missing a particular e-mail and I don't know why. It > probably is not this. If you're nervous, just put in: > > smtpd_client_restrictions = warn_if_reject > reject_unknown_reverse_client_hostname For now, that the server has not so much users, I've applied those directive: reject_non_fqdn_sender, reject_unauth_destination, reject_unknown_reverse_client_hostname, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_sender_domain, reject_non_fqdn_recipient reject_unknown_recipient_domain, permit_sasl_authenticated, reject All seems work fine, but no luck with the "212.129.49.213" ip, but I don't care,I'm going to make it a bad end :-D :-D :-D > It will give you a warning in the logs and not cause a rejection. > Remove > the "warn_if_reject" when you become comfortable. It should stop > mis-configured mail-servers as it is a mandatory requirement. Typical > of > the people who have misconfigurations are some home users who don't > know > any better, lots of dynamic IP's (who should not really be sending > e-mails) and spammers where they are relaying through compromised > IP's > which can often be dynamic. But it is not exclusively dynamic IP's > which > don't have a a reverse DNS record and some dynamic IP's do have a > reverse DNS record. Try googling > "reject_unknown_reverse_client_hostname" for discussions on the > subject. > Ok, I will investigate! Thank you so much for your advice, very very appreciates Nick ;-) now in Italy,in Verona it's 10:22 AM o'clock and there are 8,6 degrees Celsius, and a light rain PS Excuse me for the delay, but in this days I've enable my own email server and the old dns records, pointing the previous smpt server, was lost :-p -- cosmogoniA <https://www.cosmogonia.org/> n o p r o v a r e n o f a r e o n o n f a r e n o n c e p r o v a r e ------------------------------------------------------------------------------ _______________________________________________ Fail2ban-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/fail2ban-users
