Olivier MJ Crepin-Leblond: [ Charset ISO-8859-1 unsupported, converting... ] > Hi, > > I am running Postfix 2.5.1 with OpenSSL on an email gateway and I > configured the mailer to use STARTTLS whenever it is possible. > My config works fine *receiving* emails and I therefore receive TLS > mails. I am using self-signed certificate etc. > > > However, it doesn't work when sending email out. ie. when I send to a > mailer that I know accepts TLS encrypted e-mail, my mailer just sends > it out normally. Not even a mention of a failed handshake or whatever > on the maillog file. Just sends out like normal ESMTP.
Why do you believe that the server supports TLS? Show evidence in the form of a session recording. http://www.postfix.org/DEBUG_README#mail Wietse