I have enabled SMTP proxy, no virus protection, no rbl.
Incoming mail is allowed to one address only, and outgoing mail permitted only from private mail server (Exchange).
Mail traffic logged in the relay log is enormous and appears to be relaying from outside sources.
A lot of mail is generated by the proxy advising of failed connections and the relay log shows success mailings from hosts I have no knowledge of.
I would have thought that the proxy should not relay mail except from the internal address that I have allowed. I do not have experience with Astaro, but this is what I know occurs in other mail systems.
Is there somewhere I can tell the system not to relay foreign mail, and if not, why not?
Sample log follows:
Dec 13 08:14:13 astaro exim[14678]: 2002-12-13 08:14:13 18MeP7-0003oj-00 -> jewels@goldrush.net R=lookuphost T=remote_smtp H=goldrush.net [0.0.0.0]
Dec 13 08:14:13 astaro exim[14678]: 2002-12-13 08:14:13 18MeP7-0003oj-00 Completed
Dec 13 08:14:13 astaro exim[14681]: 2002-12-13 08:14:13 18MeP7-0003on-00 nevets@compudomainpark.org H=localhost {mail.gt-thai.co} [127.0.0.1] P=esmtp S=45260 id=YA1A8F5G9G5S.1RUY3R7C.nevets@compudomainpark.org
Dec 13 08:14:13 astaro exim[14680]: 2002-12-13 08:14:13 18MeP7-0003ol-00 => salter@goldrush.net R=lookuphost T=remote_smtp H=goldrush.net [0.0.0.0]
Why 127.0.0.1 Why 0.0.0.0 ??
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