On Tue, Nov 09, 2010 at 11:53:17AM +1100, Voytek Eymont wrote: > do I simply send the '/etc/postfix/tls/smtpd.crt' file 'as is', > is that the one ?
Yes, that is key. > > # grep tls main.cf > ... > smtpd_tls_key_file = /etc/postfix/tls/smtpd.key > smtpd_tls_cert_file = /etc/postfix/tls/smtpd.crt > smtpd_tls_CAfile = /etc/postfix/tls/cacert.pem > > > # ls -l > total 40 > -rw-r--r-- 1 root root 1407 Nov 13 2007 cacert.pem > -rw-r--r-- 1 root root 951 Nov 13 2007 cakey.pem > -rw-r--r-- 1 root root 1029 Nov 13 2007 smtpd.crt > -rw-r--r-- 1 root root 777 Nov 13 2007 smtpd.csr > -rw-r--r-- 1 root root 887 Nov 13 2007 smtpd.key Your private key really shoud NOT be world-readable. Though it may be too late on a multi-user system, do try: chmod 0600 smtpd.key in the future run OpenSSL key-generating commands after "umask 077". -- Viktor.