Stop mail from bouncing

[me at mattgillen.net (Matthew Gillen)]

Josh ChaitinPollak wrote:
> Hello,
> 
> We have a problem at work where our slapd LDAP daemon has been going 
> down repeatedly. When this happens, our SMTP daemon (postfix on  another
> machine) starts bouncing messages because it can't look up  and verify
> account names. Is there a way to configure postfix to not  bounce, but
> send 'try again later' or something else, when it can't  connect to the
> ldap server?

I don't know, but a halfway solution might be to use nscd to cache the
user information that does get looked up successfully.  That way at
least your high-volume users should get their mail, since their user
info would have a high probability of getting cached.
--Matt