Re: [Exim] Null Sender

Gururajan Ramachandran wrote:

> Hello,
>
> I know that Null Sender is valid as per RFC.
>
> However, is there a way to block email at the SMTP level that have both Null Sender
> *AND* attachments?
>

Bounces will definitely have MIME attachments (the returned message for
example).

Try a virus scanner maybe? clamav is free ...