(lists) Denis BUCHER: > Le 16.12.2013 22:16, Wietse Venema a ?crit : > > Denis BUCHER: > >> But the most strange point is that if I do "telnet ip_of_server 465" I > >> am immediately connected, and can use normal SMTP commands. > > That is absolutely wrong. > > Someone screwed up and removed the "-o smtpd_tls_wrappermode=yes" > > from the "smtps" entry in the Postfix master.cf file. > > The port 465 (smtps) service must not support plaintext communication > > (such as connecting with telnet). > Dear Wietse, > > OK thank you for your hint, I will change that, but do you think it will > solve the problem, or is this something different ?
You MUST turn on smtpd_tls_wrappermode on the port 465 service. There MAY be more problems with your configuration. Wietse