>I have an MX server that scans email for Viri and Spam via Sophos and DJM.
>Once "Ok" from the scanning it forwards the mail to the actuall mail server.
>
>I have allow relay on the mx server and send all mail through remote
>gateway ( the mail server )
>I have no relay on the mail server turned on.
Would it not be better to have the MX server set not to relay?
Although the setup you have shouldn't allow relaying (any attempted
relaying would go to the IMail server, which should reject the mail),
making a change that seems OK might break it (IE changing IMail to allow
relaying from trusted IPs, and entering the IP of the MX server).
>XBL Blacklist.. All of my IP's seem to be listed. ( Including my web
>servers ) but relaying is refused once the mail hits the "mail server".
>WHY ? Is it because I am forwarding mail from an "unsecured" note the
>quotes.. mail server to a secured mail server ?
XBL standard for "Extreme BlackList". And there is a reason for it being
called "extreme". In your case:
>XBL LISTED (127.0.0.4) Reports CNAME of uu-net.xbl.selwerd.cx.
>TXT= 37.137.217.65.xbl.selwerd.cx. 86400 seconds 2734 ms
The CNAME is "uu-net.xbl.selwerd.cx", which implies that XBL may be
blocking all known UUNET IPs. They are blocking large groups of Sprint
IPs, and will not take out legitimate businesses who are on those
IPs. Even the people that run XBL admit that you should only use XBL if
you don't mind missing a lot of legitimate e-mail.
-Scott
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