can't forward mail with Thunderbird and Exim

[hanh_bk]

i use Thunderbird to send and receive with mail server is Exim.
When i want to forward email to an other, i receive a noitify is:

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  [email protected]
    This message has been rejected because it has
    a potentially executable attachment
    	Thu moi tham du khoa hoc Ky nang cham soc khach hang va Nghe thuat ban hangchuyen nghiep..eml
    This form of attachment has been used by
    recent viruses or other malware.
    If you meant to send this file then please
    package it up as a zip file and resend it.

------ This is a copy of the message, including all the headers. ------
------ The body of the message is 120695 characters long; only the first
------ 106496 or so are included here.

But i don't attach any file.
Please help me reconfig Exim to accept user can forward their email.
I used hosting control is Directadmin .

 

[chatwizrd]

You have to edit /etc/system_filter.exim

Remove all the |eml| from the lines that have it then type /sbin/service exim restart

 

[hanh_bk]

Thanks.
I have done.