Autor: Jeremy Harris Datum: To: exim-users @ exim. org Betreff: Re: [exim] interesting precheck
Brent Clark wrote: > 550 Sender verification callout failed.
>
> So basically it does mail from: lookup, before accepting the mail.
>
> Would anyone know how to achieve this.
Did you actually try looking in the docs? For something approximating
"sender verification"?