Re: [exim] SMTP-AUTH, Kerberos and SSL

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Autor: W B Hacker
Datum:  
To: exim users
Betreff: Re: [exim] SMTP-AUTH, Kerberos and SSL
Jaap Winius wrote:
> Hi folks,
>
> Is it possible to configure an Exim4 server (exim4-daemon-heavy 4.72-6
> on Debian squeeze) to offer an authenticated SMTP service with
> end-to-end SSL encryption while authenticating the passwords with Kerberos?
>
> So far I've added the following to 00_exim4-config_header:
>
> sasl_gssapi:
> driver = cyrus_sasl
> public_name = GSSAPI
> server_realm = EXAMPLE.COM
> server_set_id = $auth1
>
> In addition to that:
>
> * The mail server has a functioning Kerberos client.
> * I've created the following principal for it in the KDC:
> smtp/email.example.com@???
> * I've added the keys for it to the local key table.
> * I've created the following environment variable:
> KRB5_KTNAME=/etc/krb5.keytab
> * The key table has permissions 640 and owner.group
> root.Debian-exim.
>
> Still, I'm missing some things. For instance, I'm not even sure how the
> MUAs should be configured (e.g. port 25, 465 or 587? SSL/TLS or STARTTLS?).
>
> Thanks,
>
> Jaap
>
>


Have a look at these, walk the thread trees, and do your own due diligence:


http://www.exim.org/exim-html-current/doc/html/spec_html/ch36.html

http://wiki.debian.org/PkgCyrusSASL

http://www.gossamer-threads.com/lists/exim/users/75988

http://www.mail-archive.com/exim-users@exim.org/msg26509.html

HTH,

Bil Hacker (who is too lazy by far to use kerberos at all..)