Re: Using different CA for smtpd on port 25 on and port 587

2009-10-25 Thread Roland Dirlewanger
Victor Duchovni a écrit : - Many (ideally most, if they are wisely configured) clients will not supply TLS certs even when these are requested. - Asking for client TLS certificates with normal mail delivery reduce interoperability, as some clients fail when asked for certs.

Re: Using different CA for smtpd on port 25 on and port 587

2009-10-22 Thread Victor Duchovni
On Wed, Oct 21, 2009 at 11:45:31PM +0200, Roland Dirlewanger wrote: > Why do you expect clients on port 25 to have client certificates? > > >In my opinion, as soon as a non anonymous TLS connection is set up between >a client and a server, it is legitimate for both sides to verify who

Re: Using different CA for smtpd on port 25 on and port 587

2009-10-21 Thread Roland Dirlewanger
Victor, Thanks a lot for your reply. Let me answer your questions. On Tue, Oct 20, 2009 at 10:25:20PM +0200, Roland Dirlewanger wrote: I would like to set up TLS on our mail server the following way : * connections to port 25 may use TLS. If TLS is used, our server should

Re: Using different CA for smtpd on port 25 on and port 587

2009-10-20 Thread Victor Duchovni
On Tue, Oct 20, 2009 at 10:25:20PM +0200, Roland Dirlewanger wrote: >Hi folks, > >I would like to set up TLS on our mail server the following way : > > * connections to port 25 may use TLS. If TLS is used, our server should >verify the client certificate using the CAs found

Using different CA for smtpd on port 25 on and port 587

2009-10-20 Thread Roland Dirlewanger
Hi folks, I would like to set up TLS on our mail server the following way : connections to port 25 may use TLS. If TLS is used, our server should verify the client certificate using the CAs found in OpenSSL's ca-bundle.crt connections to port 587 are required to use TLS. Our server should