off topic: email forwarding assistance/guidance needed

Bob Noordam bno at SALVAGEBV.NL
Wed Nov 10 19:30:54 GMT 2004

> >
> Thanks for the info.  I did try to forward one
> particular users email unsuccessfully and  wanted to
> give you more specifics on my setup.
> my mailertable says the following:
> I added the following to the /etc/mail/virtusertable:
> lester at      lester at  (which should send
> the email to lester at
> I then tried to send an email to lester at and
> received the following:
> ----- The following addresses had permanent fatal
> errors -----
> <lester at>
>     (reason: 553 5.3.5 system config error)
>    ----- Transcript of session follows -----
> 553 5.3.5 config error: mail loops
> back to me (MX
> problem?)
> 554 5.3.5 Local configuration error
> I must be missing something.  thanks.

Mail loops back to me indicates that the domain is not configured as local,
the system attempts to forward the mail, and then discovers that the mx
record points to itsself. This usualy indicates that the domain is not
configured in /etc/mail/local-host-names on the box.

- if 'this' machine *should* receive the mail for abc then your
local-host-names is incorrect
- if 'this' machine should *not* receive mail for abc and just offload it,
then it somehow accesses incorrect dns data, which in turn indicates itsself
as the mailserver for


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