Re: [Exim] TLS, AUTH and relaying (testing TLS support)

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Autor: Nigel Metheringham
Data:  
Dla: exim-users
Temat: Re: [Exim] TLS, AUTH and relaying (testing TLS support)
Overall this is a really hard problem....

There are, from memory, several things that you might wish to use to 
allow/reject messages:-
    - TSL settings, including TLS certificates
    - IP addresses, networks/netmasks of connecting host
    - host/domainname of connecting host
    - DNS registration or not (+allow_unknown)
    - RBL information
    - SMTP authentication
    - sender envelope address
    - recipient envelope address (ie allow mail to postmaster)


How on earth we can extend the configuration to sanely allow any
combination of these without coming up with a scheme thats harder to
read and understand than a sendmail.cf file is rather difficult :-(

    Nigel.
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[ Nigel Metheringham                  Nigel.Metheringham@??? ]
[ Phone: +44 1423 850000                         Fax +44 1423 858866 ]