Re: [opensuse] Help with Certs for Cyrus IMAP and TLS



On Tue, May 20, 2008 at 7:00 PM, Jim Flanagan <linuxjim@xxxxxxxxxx> wrote:
Greetings all,

I am having problems with my certs. I made certs for TLS and put them in
/etc/postfix/ssl. I believe I made them correctly, all are owned root-root.
They are named, smtpd.crt, smtpd.key, cacert.pem, (also cakey.pem and
smptd.csr are there too). On sending a test message with Thunderbird I get
an error in /var/log/mail.info stating "cannot load RSA certificate and key
data". Thunderbird returns a message saying "unable to connect to SMTP
server at xx.xx.xx.xx via STARTTLS since it dosen't offer STARTTLS in EHLO
response.


Since you obfuscated the IP (xx.xx.xx.xx) I can only assume that it
was NOT 127.0.0.1 (localhost) which suggests you are connecting
to some IP that would make sense to obfuscate.

Which suggests that you are connecting to your external interface
from thunderbird, or thunderbird is not on this same machine?


Check your /etc/sysconfig/postfix file for the line (near bottom)
that says:
POSTFIX_ADD_MYNETWORKS_STYLE="subnet"
(if that says host instead of subnet then only connections
from/to 127.0.0.x will be allowed.

Also, you should have a postfix configuration line that reads
smtp_sasl_mechanism_filter = !DIGEST-MD5, !external, static:all
because the mechanisms "Not"ed out really don't work and are
not necessary.



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