Re: [exim] Assistance with authenticator syntax, please.

> From: nick

> I have inherited a fairly complex Exim/LDAP solution that services 700K+
> users.
> It allows any user the LDAP tree do do smtp-auth and I am suffering from
> spam-by-smtpauth as many of the user passwords
> are insufficiently robust and/or the users have their password stolen by
> malware.

> According to my logs there are only about 1500 users that require
> smtp-auth from non-local networks.

But passwords of some of these 1500 users also will be stolen with
Windows malware. So, use https://github.com/Exim/exim/wiki/BlockCracking