Re: [Exim] Problem: Relaying for uncommon nets

Christian Hertel wrote:

> I tried that and found out that the problem occurs only when using mysql
> querys for building hostlists, not if I write it manually in exim.conf.

.....

> --- Now with just this entry in the mysql table ---
> [...]
> host in "127.0.0.1 : mysql;SELECT net FROM mail_access WHERE status =

This style of lookups only checks for SOMETHING to be returned, so as
long as you've something in your database, you're an open relay.

> I called exim as follows:
>
> exim4 -d -bh 10.10.10.1
>
>
> Any further ideas?

Use a normal ${lookup} and some ${sg}/${tr} magic to transform the
result into a colon seperated list.

Nico