On 15/12/2009 12:33, Christian Balzer wrote:
>> There is plenty of documentation on how to use DKIM and BATV in Exim.
>> "SES" I've never heared of. What's that?
>>
> SES (Signed Envelope Sender) is a variation (from what I can recall, really
> a parallel development, maybe slightly earlier) of BATV. We're using it
> here and amazingly enough Google finds our crappy PR blabber way way
> before the actual URL on which I based our implementation:
>
> http://www.tldp.net/HOWTO/Spam-Filtering-for-MX/exim-sign.html
The example they provide looks dangerous to me:
return_path = $sender_address_local_part=$local_part=$domain=\
${hash_8:${hmac{md5}{SECRET}{${lc:\
$sender_address_local_part=$local_part=$domain}}}}\
@$sender_address_domain
Local parts in email addresses have a maximum length of 64 characters,
yet that could easily expand to something considerably larger than 64
characters...
--
Mike Cardwell - IT Consultant and LAMP developer
Cardwell IT Ltd. (UK Reg'd Company #06920226) http://cardwellit.com/
Technical Blog: https://secure.grepular.com/blog/
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