Re: [exim] omit sender verification to certain IPs - possibl…

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Autor: Mike Cardwell
Fecha:  
A: exim-users
Asunto: Re: [exim] omit sender verification to certain IPs - possible?
Heiko Schlittermann wrote:

>> we've been using sender verification callouts for a while now,
>> and it still kills a lot of spam.
>>
>> But alas, in these modern times, there are honeypot addresses
>> which sometimes appear as sender addresses in spam and cause our
>> box to be blacklisted because it tries to verify the address.
>> This is mainly uceprotect. I won't comment on them here.
>>
>> Ok, now here's the question after all this build-up: can I skip
>> sender verification for certain IP addresses? I can of course
>> filter by the IP of the sending host, but that's not what I want -
>> I want to skip the verify if the target is one of those honeypot
>> addresses.
>
> It depends on your ACL configuration. Always you can emply the
> $sender_host_address variable. Or you can use the 'hosts = ..' ACL item.


Your suggestion doesn't work. The IP of the connecting host is
irrelevant. It's the IP that a sender callout would connect back to that
is relevant.

--
Mike Cardwell
(https://secure.grepular.com/) (http://perlcv.com/)