> > 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@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 _______________________________________________ Blueonyx mailing list Blueonyx@mail.blueonyx.it http://mail.blueonyx.it/mailman/listinfo/blueonyx