[BlueOnyx:10407] Re: incorrect HELO

[Colin Jack]

> > Now that header is interesting - because my email came from an
> > Exchange 2010 server - the server in question above is in a datacentre
> > and provides SMTP relay services for our clients. It has nothing to do
> > with our internal email ;)
> >
> > On the server in question, 'hostname' resolves correctly. The problem is that
> the sendmail HELO doesn't.
> >
> > Colin
> >
> > _______________________________________________
> > Blueonyx mailing list
> > Blueonyx at mail.blueonyx.it
> > http://mail.blueonyx.it/mailman/listinfo/blueonyx
> >
> 
> 
> maybe check /etc/mail/sendmail.mc
> specifically masquerade features, mine looks like;
> 
> dnl # The following example makes mail from this host and any additional dnl #
> specified domains appear to be sent from mydomain.com dnl #
> MASQUERADE_AS(`')
> dnl #
> dnl # masquerade not just the headers, but the envelope as well dnl # dnl
> FEATURE(masquerade_envelope)dnl dnl # dnl # masquerade not just
> @mydomainalias.com, but @*.mydomainalias.com as well dnl # dnl
> FEATURE(masquerade_entire_domain)dnl
> dnl #
> 
> 
> 
> --
> Gerald
> _______________________________________________

It just seems to be the hosts settings. Looked at some of my other servers and the hosts file is as per my amended version. I would just like to  know how it got changed and is it going to happen again. 
No doubt Michael will be able to explain one day. ;)

Colin