(lists) 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).
Wietse
