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I have a perl script that updates the virtusertable file hourly from our SQL database, so it stays up to date. I've got over 3000 entries in the file right now and there's no noticeable slowness on the lookups. If you went this route you could have perl pull from SQL, LDAP, or whatever source you want.
The other advantage here is if your SQL or LDAP server goes down mail doesn't start bouncing, the virtusertable simply doesn't get updated until the server returns. This was a big deal for us, I didn't want a flaky LDAP server causing mail to bounce all over the place.
Shayne
Super-Dome wrote:
Dear all
i have following setup .
Internet<------>Mail-Gateway<----->Internal-Exchange-mail-server
currently all invalid recipients emails go to mail gateway and then exchange server bounce it . i want to reject invalid recipients at mail gateway
i have found a doc to do this with Postfix using ldap to get user list from domain controller etc
http://www-personal.umich.edu/~malth/gaptuning/postfix/
can i do this with mimedefang or sendmail ??
Regards
SD
_______________________________________________ Visit http://www.mimedefang.org and http://www.canit.ca MIMEDefang mailing list [email protected] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
_______________________________________________ Visit http://www.mimedefang.org and http://www.canit.ca MIMEDefang mailing list [email protected] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
