Mailscanner getting bypassed and Sendmail still delivering mail.

Daniel Kleinsinger danielk at AVALONPUB.COM
Sat Jan 24 23:50:35 GMT 2004

Is it possible you have a backup mx host that's somehow bypassing your
MailScanner installation?  I guess some setups allow backup mxs to
deliver directly to user mailboxes and if there's no MS on the backup
then the emails don't get scanned.  Spammers often deliver to backup
mxs, even when the primary mx is up, for just that reason.


Jim VanEtten wrote:

>Red Hat Enterprise Linux ES release 2.1 (Panama)
>Perl version 5.6.1 built for i386-linux
>MailScanner version 4.25-14
>SpamAssassin version :  None yet
>New RPM install
>Step 1: I have tested sendmail and it works
>Step 2: I installed Mailscanner and started it up. There are no errors
>in the log file. Email still gets delivered via sendmail as if
>Mailscanner was not there. There are no header files for MailScanner.
>I have installed Mailscanner successfully on Fedora core 1 and Redhat
>7.0 with no problems. Can someone help me out with what I could be doing

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