> > ___SNIP_____
> > From: edodd1 <[EMAIL PROTECTED]>
> > ___SNIP_____
> >
> > dekkers.com is an INTERNAL name I give my domain. It should not be
> > resolvable externally. All outgoing mail is masqueraded as coming from the
> > resolvable tripled.iinet.net.au.
> >
> > Yet this spam seems to come from it? Or does my server append it for some
> > reason?
>
> Yeah... Mail servers usually complete headers that are not complete. So,
> if you were sent mail with a 'From' line like:
> From: edodd1 <edodd1g2v2k2>
> then, your mail server might complete it by adding its own local hostname.
If you are running the Postfix mail server then you can stop this behaviour
by using:
smtpd_recipient_restrictions = reject_non_fqdn_sender,
reject_non_fqdn_recipient
Unless the addresses are fully qualified the mailserver will reject them.
--
Regards,
+-----------------------+---------------------------------+
| Peter Kiem | E-Mail : <[EMAIL PROTECTED]> |
| Zordah IT | Mobile : +61 0414 724 766 |
| IT Consultancy & | WWW : www.zordah.net |
| Internet Hosting | ICQ : "Zordah" 866661 |
+-----------------------+---------------------------------+
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