Date: Tue, 13 Jan 2009 20:20:38 -0500 From: Sahil Tandon <sahil@tandon.net> To: freebsd-questions@freebsd.org Subject: Re: receiving mail Message-ID: <20090114012038.GD41585@shepherd.hamla.org> 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 Tue, 13 Jan 2009, Pieter Donche wrote: > Between host1 (non-freebsd) and host2 (freebsd 7), sending a mail from > host1 to host2 (both in domain .domain.topdom) results in message > '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) > ------------- The MX for host2.domain.topdom is mailhost.domain.topdom; the latter is unreachable by host1, hence the permanent failure. > mailhost.domain.topdom does not exist in DNS, but host1 can send > mail to other mailservers all over the world. The fact that host1 can send mail anywhere else is irrelevant; fix the MX entry or make mailhost.domain.topdom real/reachable from host1. Or remove or adjust the MX entry for host2.domain.topdom so host1 sends mail to host2.domain.topdom instead of its mailhost.domain.topdom. -- Sahil Tandon <sahil@tandon.net>
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