I want to set up authentication in exim so that users may only
authenticate securely, to eliminate the possibility of passwords
being passed in the clear. To this end, I have added the recommended
line to my authenticators:
server_advertise_condition = ${if eq{$tls_cipher}{}{0}{1}}
Works great, except it breaks Outlook Express Mac, which uses the
tls_on_connect functionality. Outlook works fine if the LOGIN
authenticator has no server_advertise_condition set, but breaks
otherwise, claiming the server doesn't support authentication.
Unfortunately, if I remove server_advertise_condition from from my
LOGIN authenticator, other clients can then be set to authenticate in
the clear, which I do not want.
Can anyone suggest a way to allow Outlook Express Mac clients to
connect without offering the possibility of any unencrypted logins?
Thanks!
--
Mark Edwards
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