About watermarks

[Charles Lacroix]

Julian Field a écrit :
>
>
> Charles Lacroix wrote:
>> Mark Nienberg a écrit :
>>> Charles Lacroix wrote:
>>>> Hi,
>>>>
>>>> I had this configuration which reduced alot of bounces going into 
>>>> user's mailbox.
>>>> I was quite happy with this but today some users noticed that 
>>>> gmail's vacation messages
>>>> were beiing blocked.
>>>>
>>>
>>> The watermark feature examines all messages that have a null 
>>> sender.  In sendmail logs these are the ones with:
>>>
>>> "from=<>"
>>>
>>> If gmail uses that approach to send vacation messages, and does not 
>>> include the original message in the reply, then it will trigger the 
>>> bad watermark action.   So if you want to be able to receive these 
>>> and still use the watermark feature, maybe you could just add 2 or 3 
>>> points for a bad watermark.
>>>
>>> Mark
>>
>> As i said in the original post, i tried setting a few points to it 
>> and it would mark it as spam and not check via spamassassin at all.
>>
>> Could i just build a ruleset like this:
>>
>> Check Watermarks With No Sender = rules/check.watermarks.rules
>>
>>
>> From:  *.google.com   no
>> From:  default  yes
>>
>> mail comes from hostnames similar to this: 'qb-out-0506.google.com'
>>
>> Sould this work?
> No, as that "From:" will check the sender address and not the SMTP 
> client IP address. The only way of forcing it to check an IP address 
> is to put in the netblock definition of their outgoing IP addresses.
>> Thanks
>>
>>
>
> Jules
>
Ok.

#        /pattern-with-no-letters/ # Any SMTP client IP address matching 
this
#                                  # Perl regular expression

How can i know all of gmail's outgoing smtp servers?


so if i understand, this would still not work.
From:   /^.+\.google\.com$/

Charles