Unknown user again
billa at STERLING.NET
Wed Oct 20 18:47:54 IST 2004
When you say local db file, are you refering to the accessdb file in
sendmail? So, if I can paraphrase what you just said. Using some sort of
script that get's a list of emails from the various email servers, some
LDAP, some not. Compile this list into an accessdb file for use by
Is there anyway to have sendmail / mailscanner drop 550 errors it receives
from the other mail servers? I want to fix my short term problem.
----- Original Message -----
From: "Julian Field" <mailscanner at ECS.SOTON.AC.UK>
To: <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Wednesday, October 20, 2004 10:27 AM
Subject: Re: Unknown user again
> There is a tweak on option (1). You can use the LDAP routing setup,
> *actually* using LDAP to build it. So you could have a script run from
> that queried each of the servers somehow, and built a local db file of all
> the valid addresses it should accept mail for. Then you use the LDAP
> routing setup to use this local db file.
> At 18:18 20/10/2004, you wrote:
> >1) LDAP - many of the the servers don't support LDAP. The ability to
> >a comprehnsive LDAP server is outside of our scope.
> >1) Is there anyway I can tell MailScanner and/or sendmail to not respond
> >a 550 unknown user error? Bascially Mailscanner tries to deliver an
> >to an unknown user. Once it gets the 550 error, it drops it. I know the
> >downside of what if it was an honest mistake, the sender would not be
> >notified. I would like to do this on a domain by domain basis.
> >2) Can I talk to multiple LDAP databases depending on what domain the
> >address is destined to.
> Julian Field
> Professional Support Services at www.MailScanner.biz
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