On Wed, 21 Apr 2004 [EMAIL PROTECTED] wrote:
> Is there a way (hopefully easy) to configure sendmail or mimedefang to
> query a number of different servers to validate email recipients before
> accepting a message.
What's your definition of "easy"? :-)
The obvious way is to have a per-domain table of which server to do the
lookup against. Something like:
%ldap_servers = ( 'domain1.com' => 'ldap.domain1.com',
'abc.net' => 'directory.abc.net');
# Extract domain from address -- may need to remove angle brackets,
# make lower-case, etc.
$domain = $addr;
$domain =~ s/.*\@//;
$server = $ldap_servers{$domain};
if (defined($server)) {
# Do the LDAP lookup
}
> Another alternative would be to pull the information from all the end mail
> servers using LDAP and dump it all into one local LDAP directory. I could
> then query that local server (which would not require remote server to
> even be up).
That's also a possibility. You don't need the whole LDAP directory; all
you need is a list of valid addresses. You could dump that into an access
table and do it all in Sendmail.
Regards,
David.
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