Watermark and User Notification

Julian Field MailScanner at ecs.soton.ac.uk
Fri Jun 13 08:57:53 IST 2008

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It puts in if there was no IP address present at all.
Maybe I should change that to
What does anyone think of that change?

Currently, you need to change your "From" line to
From: no
FromOrTo: default yes

Donnie D. Quindardo wrote:
> Message 3EDEA100004C.D62FF from has no (or invalid) watermark 
> or sender address
> Hmmm. :-)
> Donnie D. Quindardo wrote:
>> Unfortunately, this is not working.
>> /etc/MailScanner/MailScanner.conf:
>>     Scan Messages = %rules-dir%/scan.rules
>> /etc/MailScanner/rules/scan.rules:
>>     From:             no
>>     FromOrTo:       default                 yes
>> The notification message sent by "Notify Senders" if their 
>> attachments are blocked is still being flagged as spam.
>> Please advise,
>> Don Q.
>> Julian Field wrote:
>>> Scott Silva wrote:
>>>> on 6-12-2008 1:26 PM Julian Field spake the following:
>>>>> Scott Silva wrote:
>>>>>> on 6-12-2008 1:10 PM Julian Field spake the following:
>>>>>>> Donnie D. Quindardo wrote:
>>>>>>>> - Configure MailScanner to notify users that their attachments 
>>>>>>>> have been  blocked.
>>>>>>>> - Configure MailScanner to use Watermarks and note that 
>>>>>>>> messages that have no sender and no watermark are spam.
>>>>>>>> - Send an e-mail through MailScanner with an attachment that is 
>>>>>>>> banned, perhaps "test.com".
>>>>>>>> - Look in the spam quarantine of MailScanner, the notification 
>>>>>>>> e-mail that is sent to the user is there. That's because it is 
>>>>>>>> sent with an envelope address of <> and does not get a 
>>>>>>>> MailScanner Signature beforehand.
>>>>>>> In which case you just need to use a ruleset to exempt mail from 
>>>>>>> from watermarking checks. Should I do this 
>>>>>>> automatically in the code, or are there situations in which this 
>>>>>>> isn't the desired behaviour?
>>>>>>> Jules
>>>>>> Does a ruleset on scan messages also cover this, or is 
>>>>>> watermarking outside that catch-all?
>>>>> You don't need to do anything that radical, you just need a 
>>>>> ruleset on the option that controls the checking of watermarks.
>>>>> Jules
>>>> Let me re-phrase this... If you already have a rule in scan 
>>>> messages for mailwatch releases, will it also cover the watermark 
>>>> code?
>>> If the rule is on "Scan Messages" then yes, it will cover everything.
>>> Jules


- -- 
Julian Field MEng CITP CEng
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