New attachment type?

[Valentin Laskov]

Hello,

Did you try

/usr/bin/file --mime-type open

to determine file type? See

https://www.mailscanner.info/MailScanner.conf.index.html#Filetype%20Rules

"... accept or reject file attachments based on their content as 
determined by the "file" command ..."

Regards!
Valentin


На 10.10.2022 в 11:16, mailscanner at barendse.to написа:
> Hello list
>
> Just received a new virus mail where the body of the text is asking to 
> "update" IMAP adress blabla
>
> There is a 159 byte attachment with the email named "open" without any 
> extension at the end. Outlook does seem to recognize it as there it 
> places an icon before the attachment (windows logo at the top with a 
> rectangle at the bottom).
>
> Is anyone else seeing this, how can I stop it or how can I block 
> attachments without extension?
>
> Thanks!!
> Remco
>
>