Simone Felici a écrit : > mouss ha scritto: >> Simone Felici a écrit : >>> Why? Uhm, dunno... >>> It seems certain mailclients has Autenticated smtp enabled as default >>> and if the client found the smtp server support it, then it try to send >>> in auth. This return an error, due inappropriate settings of the client. >> >> if you know their IPs, you can use >> smtpd_discard_ehlo_keyword_address_maps >> > > > Mouss, > this could be a solution... but haven't find any example or documation > to try it. > Could you pount me at any example?
make sure to read: http://www.postfix.org/postconf.5.html#smtpd_discard_ehlo_keyword_address_maps smtpd_discard_ehlo_keyword_address_maps hash:/etc/postfix/discard_ehlo == discard_ehlo 10.1.2.3 starttls, auth, silent-discard (silent-discard prevents postfix from logging this "keyword discard" action). > > The initial problem was: > I've an SMTP server for customers, with standard smtp open only from a > range of IPs. > Could I provide normal smtp service for customers of a range of known IP > (like now) and open my server to all the world for smtp service but ONLY > if autenthicated smtp i sused? > > Is the MUA with an IP of my customers? > YES: It can send without any authentication. > NO: It can send ONLY it a user/pass is provided. >