using both MS and sendmail..

[Julian Field]

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At 18:49 21/09/2004, you wrote:
>So I think I figured out my 'issue'.  Basically, I can't seem to get my
>RBL's to work, either with Sendmail, OR with MS.  If I go into the details
>of a MS message using MailWatch..the email always shows as coming from
>127.0.0.1  So MS isn't aware of where the email *actually* came from,
>therefore doesn't do a check.  I tried binding sendmail to both 127.0.0.1
>only, its IP address only, as well as both.    (this server is configured
>as a relay via mailertable, to push all email back onto our corporate mail
>server).   FYI, I'm now upgraded to MS 4-33.3
>
>When I bind sendail to only 127.0.0.1, then MS *will* do the RBL's, as its
>listening on the 'real' interface.  The issue is that I am using Trend
>Interscan Viruswall, along with its eManager (file blocking).  What I
>*want* is for mail to come in, get accepted by the *real* sendmail, go
>through the Trend virus and file checks, THEN pass it to MailScanner, and
>do ITS checks.  I figured that binding sendmail to the real IP would do
>this...but it doesn't.   I know I can get MS to use the Trend virus
>scanner, but I still want to have the file attachment checking done by
>trends eManager as it has a great web based GUI that our helpdesk uses. So
>I need it in there.   Plus I'd rather have sendmail do the RBL's and
>reject email there, so it doesn't even have to get passed to MS and take
>longer.
>
>any ideas?  I think essentially what I need to do is have sendmail listen
>on the real IP address, do its Trend stuff as well as RBL's via sendmail,
>and then pass it to MS, but via smtp.  So really MS no longer hooks into
>sendmail...it just sits beside it.  Or am I missing the boat here? (quite
>possible :)

Get the Trend stuff to output on 127.0.0.1 port 26, and have MailScanner's
incoming sendmail instance listen on 127.0.0.1 port 26. It won't be able to
do its RBL check (as it was received from the remote host by Trend and not
MailScanner) but everything else should work. Don't try to bind different
things to the same port on different instances. It may be possible in
theory, but I wouldn't guarantee you can actually make it work.

For the above 26 is a random number closely related to 25. Feel free to use
any unused port number you have lying around :-) ("netstat -an" is your
friend)
--
Julian Field
www.MailScanner.info
Professional Support Services at www.MailScanner.biz
MailScanner thanks transtec Computers for their support
Buy the MailScanner book at www.MailScanner.info/store

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