Hi,
Regarding my post earlier could I fix this by putting a condition or
if statement in the senders = line so that it would still check if
senders = NULL?
Jonathan
On 9 Sep 2009, at 16:49, Jonathan Gilpin wrote:
> OK that makes sense... I thought there might be a reason... problem is
> that due to the following router:
>
> spamcheck_director:
> driver = manualroute
> domains = ${lookup mysql {MYSQL_Q_SPAMC}{$value}}
> senders = ! ${lookup mysql {MYSQL_Q_WHITELIST}{$value}}
> condition = ${if and { \
> {!eq {$received_protocol}{spam-scanned}} \
> {!eq {$received_protocol}{local}} \
> } {1}{0}}
> headers_remove = X-Spam-Flag
> route_list = "* localhost byname"
> transport = spamcheck
> verify = false
>
> Any messages which have a MAIL FROM of <> are not being passed through
> spamassasin..
>
> Can anyone help me ensure that spammers can't bypass spamassassin by
> avoiding providing a MAIL FROM ?
>
> Jonathan
>
> On 9 Sep 2009, at 14:00, Brett Parker wrote:
>
>> On 09 Sep 11:01, Jonathan Gilpin wrote:
>>>
>>> On an exim server:
>>>
>>> Sending:
>>>
>>> MAIL FROM: <>
>>> 250 OK
>>>
>>> Surely I need to prevent this from being allowed? How can I make
>>> Exim
>>> reject a message if MAIL FROM: is blank?
>>
>> No, MAIL FROM being NULL is perfectly within the specification, and
>> is
>> how bounces will be sent...
>>
>> Rejecting them would mean that you never get any bounce messages,
>> which
>> could be a bonus, but probably isn't.
>>
>> --
>> Brett Parker
>>
>> --
>> ## List details at http://lists.exim.org/mailman/listinfo/exim-users
>> ## Exim details at http://www.exim.org/
>> ## Please use the Wiki with this list - http://wiki.exim.org/
>
>
> --
> ## List details at http://lists.exim.org/mailman/listinfo/exim-users
> ## Exim details at http://www.exim.org/
> ## Please use the Wiki with this list - http://wiki.exim.org/
