On 2012-05-27 at 14:10 -0600, The Doctor wrote:
> Looks as if I have to spoil the party.

You don't identify the version of Exim you're running.  You don't
provide relevant configuration  You don't show anything there which
indicates that authentication was required to solve the problem.  You
don't identify anything about the build, such as OpenSSL vs GnuTLS.

Options that come to mind:

 * You have an "encrypted = some_cipher" restriction in an ACL and now
   that Exim/OpenSSL supports TLS1.1/TLS1.2 and Exim/GnuTLS supports
   whatever ciphers GnuTLS supports, and Exim/OpenSSL enables DH
   ciphersuites by default from RC6, there are a *lot* more ciphers
   available.  If using "encrypted =", be very careful, always.  It's a
   recipe for sudden breakage as various components update.

 * You're using LDAP for Routing, have multi-valued items in lists, and
   missed the item in ChangeLog/README.UPDATING about the change in
   output format from LDAP queries; for authenticated connections, you
   accept the mail without Routing it, generating a bounce afterwards,
   and you're bouncing a lot now.

 * You broke something locally and it's nothing to do with the RC.

-Phil

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