On Sat, 2011-08-20 at 09:19:54 +0000, Georg Sauthoff wrote:

> I upgraded my Ubuntu box from 10.04 to 11.10, i.e. postfix was
> upgraded from 2.7.0 to 2.8.0.
> 
> The local postfix is setup to relay mail to a remote server, including
> mandatory TLS and certificate verification. The setup worked great
> with 2.7.0, but after the upgrade I get following errors:
> 
> certificate verification failed for example.org untrusted issuer
> /C=DE/ST=NW/O=My CA/CN=Me/email=mys...@example.org [..]
> status=deferred (Server certificate not trusted)
> 
> (I did not change the postfix config during the postfix upgrade)
> 
> The directory /etc/postfix contains the certificate from the relay
> host (and c_rehash was executed).
> 
> Was the verification algorithm somehow changed between postfix 2.7.0
> and 2.8.0?

Without more information, my WAG is that this could be related to
Incompat 20100610 noted in the RELEASE_NOTES for 2.8.

-- 
Sahil Tandon <sa...@freebsd.org>

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