> From: Pete
> This afternoon I noticed that incoming mail was being temporarily
> rejected.
> After including a section
> in /etc/exim4/exim4.conf.template as shown below, mail flow was
> disrupted :
>
> deny
> hosts = !*.domain.example : !*.another.example \
> !*.onemore.example
> message = Access denied. Listed at $dnslist_domain.
> dnslists = zen.spamhaus.org
Replace the "hosts" line with:
condition = ${if !match{$sender_host_name}\
{\N\.(domain\.example|another\.example|onemore\.example)$\N}}