Renaud Allard wrote:
> Marc Perkel wrote:
>
>> Peter Bowyer wrote:
>>
>>> On 29/03/07, Marc Perkel <marc@???> wrote:
>>>
>>>
>>>
>>>> Just one quick question. Do domain keys break email forwarding the way SPF
>>>> does?
>>>>
>>>>
>>> No. But it can break if any MTA through which the message passes
>>> modifies the message body, or (less often) some headers. This is
>>> generally only an issue with mailing lists which munge content and add
>>> footers.
>>>
>>> Peter
>>>
>>>
>>>
>> So - if I limited my usage of domain key checking to PayPal and specific
>> domains that I list to prevent phishing then that would be a good use of it?
>>
>>
>
> This already works quite well without that much hassle:
> deny
> message = Faked paypal.com.
> log_message = Fake paypal
> senders = *@paypal.com
> condition = ${if match
> {$sender_host_name}{\Npaypal.com$\N}{no}{yes}}
>
>
Except that breaks people who might forward paypal email from somewhere
else. What I'm doing now is looking for paypal in any of the received
lines. Not a perfect solution but it catches a lot of it. I'm hoping the
domain keys might do a better job.
