[Gross] Patch to Greylist Bad Helo

[Rolf E. Sonneveld]

Eino Tuominen wrote:
> Jeff Chan wrote:
>   
>> Hi,
>>
>>   For these few days, I went over the top and ran an experiement to
>> greylist senders with bad helo strings using grossd. I did this
>> because I found many obvious spams slipped through the RBLs undetected
>> (as trusted). Those were the ones with bad helo strings, either with
>> non-ascii characters, illegal domain name characters, non-fully
>> qualified hostnames, or with IP addresses whether bracketed or not.
>>     
>
> Hi Jeff,
>
> Sorry for a very late response...
>
> I have now incorporated your piece of code in the new check_helo.c in 
> svn version.
>
> This will be relased in version 1.1, which I plan to release next (with 
> the 1.0.2 patch release).
>   

Is this configurable?
What is the logic? I assume something like:

if (<IP address SMTP client> on DNSBL) or (we_greylist_everything turned on)
then
perform greylist action
else
if <bad helo/ehlo>
then
perform greylist action
else
OK
fi
fi

Or?

/rolf


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