Autor: Edgar Lovecraft Fecha: A: Exim users list Asunto: Re: [Exim] envelope-sender blacklisting - thoughts?
Andrew - Supernews wrote: > ..[snip]... >
> It would be possible to do this in ACLs if only the dnsdb lookup could
> be fixed to behave in a controllable manner on deferrals. (It's possible
> to do it anyway, but at the cost of permanently deferring all mail from
> sites with certain types of DNS problems.)
Just a note here, I found that ensuring there is a . <dot> at the end of
the string to be looked up gets rid of most 'errors' that cause defer's,
at least on RedHat 8 systems. I cannot say that it is a fix-all for
everything with dnsdb lookups but it helps tremendously, you may give it
a try.