[SoCoSA/discuss] exim TLS cert problem

[Nicholas Potterton]

is it possible the certificate has expired?
you need to view the cert closely

--- On Thu, 8/27/09, Sean <seanvanco at gmail.com> wrote:


From: Sean <seanvanco at gmail.com>
Subject: [SoCoSA/discuss] exim TLS cert problem
To: "SoCoSA general discussion list" <discuss at socosa.org>
Date: Thursday, August 27, 2009, 8:51 AM


I'm hoping that someone can help me with a security certificate
problem with my exim server. This has worked in the past and I don't
know why it is not working now.

The situation is that my mail and web servers reside on the same box.
I have two security certificates installed, one for www.domain.com and
one for mail.domain.com. I have my exim server configured to use the
mail.domain.com cert for TLS (exim.conf entries below), but when a
Windows client (i.e. Outlook) uses TLS, it says that there is a
problem with the security cert and that the CN does not match the
server name. It is probably grabbing the www cert instead of the mail
cert, but I see no way to verify this or why it would be happening.

exim.conf excerpt:

# SSL/TLS cert and key
tls_certificate = /etc/exim.cert
tls_privatekey = /etc/exim.key

tls_advertise_hosts = *

I had my certificate vendor confirm that the security cert listed
above is the mail cert.

My kmail program on Linux is not complaining of this problem (and
according to /var/log/mail.log on the server the POP connection IS
using TLS for the kmail app), but I do not know of a way to check to
see what certs either client is using. Also, I'm not the only one
having this problem with the TLS on my server, so I suspect it would
happen for any user on any computer.

I'm using Debian Etch 32-bit and exim 4 (the latest version).


Thank you in advance for any help.

Sean

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