Dino Ciuffetti writes:

>>> On 2006-01-19, dino@repl... wrote:
>>>>
>>>> Hi.
>>>> I need a quick way to get the ip address of the esternal esmtp client
>>>> that
>>>> submit emails to my courier.
>>>>
>>>
>>> You can find this information in the Received-Header. If you enable SPF,
>> courier also generates a Received-SPF header. Its probably easier to
>> extract/parse the ip address out of the SPF header.
>>>
>>>
>>> --
>>> Georg
>>>
>>
>> Ok, thanks!! I'm now using courier's "Sender Policy Framework" to add the
>> Received-SPF header, and it's working!! ;-)
>>
>
> With SPF enabled, sometimes I have a problem: "534 Message header size, or
> recipient list, exceeds policy limit." because SPF adds lots of header
> lines.
>
> I know this policy is hardcoded, I just like to know if there's an
> official patch for courier to make this as a parameter in a configuration
> file (bofh, for ex?). Why did developers choose to hardcode header size?

The default maximum total header size is about 100Kb.  By comparison, SPF's
contribution are infinitessimal.