Re: [Exim] SPF handling in exim

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Author: Chris Thompson
Date:  
To: Exim Users
Subject: Re: [Exim] SPF handling in exim
Nigel Metheringham <Nigel.Metheringham@???> writes:

> In an interesting twist to life, AOL are now publishing SPF
> information:-
>         > host -t txt aol.com
>         aol.com text "v=spf1 ip4:152.163.225.0/24 ip4:205.188.139.0/24
>         ip4:205.188.144.0/24 ip4:205.188.156.0/24 ip4:205.188.157.0/24
>         ip4:205.188.159.0/24 ip4:64.12.136.0/24 ip4:64.12.137.0/24
>         ip4:64.12.138.0/24 ptr:mx.aol.com -all"

>
> Has anyone working on a native SPF implementation for exim (ie embedded
> code to produce appropriate acl conditionals)? I'm aware of the socket
> based interface to an SPF daemon, although comments on how that works
> would be useful.
>
> SPF information is at
>     http://spf.pobox.com/


I do wonder how anyone can take SPF seriously when their attitude towards
the forwarding problem is

| But that breaks forwarding!

|
|    Yes, it does. You'll have to switch from forwarding, where the envelope
|    sender is preserved, to remailing, where the envelope sender is changed.
|    But don't worry, the workaround is trivial.


followed by a few prescriptions (not all of them that good) for some very
restricted environments.

Chris Thompson
Email: cet1@???