Re: shtml attachment files ?

shtml should be safe to block

In the case of .html, you can use some additional regex if the names 
have a certain unique characteristic. Just not msg-.*.html. That will 
block legit mail.

On 7/28/22 08:14, [email protected] wrote:
> Hi list
>
> I tried blocking \.htm$ and \.html$ in my filename.rules.conf before 
> but found that this effectively blocked nearly each and every email 
> that was coming in so I have to allow that for as long as MailScanner 
> cannot differentiate between an attached .html file or html text in 
> the mail itself
>
> Just received another fake/phishing email with an .shtml attachment 
> which includes server side includes google taught me.
>
> Would it be OK to block that or will I also lose mail? If, then maybe 
> it's a good addition to the standard MS filename rules?
>
> Thanks!
>
>


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