Date: Tue, 13 Jan 2009 14:29:07 -0900 From: Mel <fbsd.questions@rachie.is-a-geek.net> To: freebsd-questions@freebsd.org, Pieter Donche <Pieter.Donche@ua.ac.be> Subject: Re: receiving mail Message-ID: <200901131429.07667.fbsd.questions@rachie.is-a-geek.net> In-Reply-To: <Pine.GSO.4.63.0901132255420.9369@hmacs.cmi.ua.ac.be> References: <Pine.GSO.4.63.0901132255420.9369@hmacs.cmi.ua.ac.be>
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On Tuesday 13 January 2009 13:20:33 Pieter Donche wrote: > 'Returned mail: see transcript for details": > > ----- The following addresses had permanent fatal errors ----- > <user@host2.domain.topdom> > > ----- Transcript of session follows ----- > 550 5.1.2 <user@host2.domain.topdom>... Host unknown (Name server: > mailhost.domain.topdom: host not found) > ------------- > > host1 and host2 are both behind a firewall, but they are in the same > zone (so firewall rules do not apply), both are even connected to same > switch and their IPs are in the same subnet. > Both have fixed IP address (not DHCP) > > mailhost.domain.topdom does not exist in DNS, but host1 can send > mail to other mailservers all over the world. MX record for host2.domain.topdom resolves to an unknown mailhost.domain.topdom. See: host -t MX host2.domain.topdom on host1.domain.topdom. -- Mel Problem with today's modular software: they start with the modules and never get to the software part.
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