Author: Jeremy Harris Date: To: exim-users Subject: Re: [exim] Prevent / refuse Mail from : <> null sender in exim
On 08/11/16 07:50, Mueller wrote: > Message 1c2Zcm-0007Qi-L7 has been frozen (message created with -f <>).
> The sender is <>.
>
> The following address(es) have yet to be delivered:
> schulzanne@??? <schulzanne@???>: SMTP error from remote mail
> server after RCPT TO:<schulzanne@???>: host mail.tropenklinik.de
> [213.185.88.41]: 554 5.7.1 <schulzanne@???>: Relay access denied
Do not accept mail for recipients that are not yours.
> How can I discard this messages or set up exim to refuse any null sender
> (senders= : )!?? So no one can send with , mail from :<>.
The sender is not the problem; the recipient is. Configure to only
accept mail for your customers.
--
Jeremy
