Re: [exim] How to Block connection

>
> Thanks for the tip, but the IP changes all times...
>
> I did this, including blocking the network. And the IP
> continues to change.
>
> The only thing that are the same are this header:
> disposition-notification-to: tarzen180@???
>
If that's the only identifying feature then you're going to have to wait to the data part of the SMTP transaction, detect that header and reject the mail.
John