[Question] RE: sending warning message

[Eoin Kim]

Hello Mark,

Thanks for your message. Yes, you are right. At the moment, the receiver gets an email with an attachment (%org-name%-Attachment-Warning.txt). What I want to achieve is sending the message to the sender only because it's a sender's fault (e.g. double extension filename). So, it's a bit difficult to explain with my limited English but for example, when a company user sends an email with double extension filename attachment, then:

    MailScanner: hey, you are doing a bad thing (to sender)
    MailScanner: hey, he is doing a bad thing to you (to receiver)

So, I don't want the second thing to happen. Is it possible? Thanks.

Eoin

-----Original Message-----
From: MailScanner [mailto:mailscanner-bounces+eoin.kim=rcst.com.au at lists.mailscanner.info] On Behalf Of Mark Sapiro
Sent: Wednesday, 25 January 2017 1:28 PM
To: mailscanner at lists.mailscanner.info
Subject: Re: [Question] RE: sending warning message

On 01/24/2017 06:38 PM, Eoin Kim wrote:
> 
> I am having a bit of trouble with configuring MailScanner regarding 
> the notification. To be clear, my planned scenario is:
> 
> 1.       Sending email from my company to the Internet with a bad
> attachment - sender (company user) receives a warning message, 
> recipient doesn't.


What do you mean by the recipient doesn't receive a warning. Are you referring to the warning in the message that the attachment has been removed? It seems so.


> 2.       Sending email from the Internet to my company with a bad
> attachment - recipient (company user) receives a warning message, 
> sender doesn't.


...
> And the notify_senders.rules is:
> 
> From:                    a.b.c.d  yes
> 
> FromOrTo:          default no
> 
>  
> 
> a.b.c.d is the IP address of our mail server. Now, what is happening is:
> 
> 1.       Sending email from my company to the Internet with a bad
> attachment - sender and recipient both receive a warning message.


The sender receives a separate warning message because of your

From:	a.b.c.d	yes

notify senders rule.

The recipient receives (I think) the message with the attachment replaced by a warning and no other message. If this is what you are seeing, this is the expected behavior

What do you want to happen in this case. If you want the message to be sent without modification by MailScanner, you need a "Scan Messages"
rule set with

From:	a.b.c.d	no

to not scan outgoing messages.

If you want something else like, e.g., the attachment to be silently removed without any indication that this was done, you might be able to partially accomplish this with an "Attachment Warning Filename" ruleset with

From:	a.b.c.d	/dev/null

but I think that silently removing parts of a message is not a good idea.

-- 
Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan


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