Path: utzoo!utgpu!watserv1!watmath!att!linac!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!news-server.csri.toronto.edu!helios.physics.utoronto.ca!ists!yunexus!davecb From: davecb@yunexus.YorkU.CA (David Collier-Brown) Newsgroups: comp.protocols.tcp-ip.domains Subject: Re: Domain names in resource records (was: PTR records ...) Message-ID: <20759@yunexus.YorkU.CA> Date: 19 Jan 91 03:29:37 GMT References: <1120@nikhefh.nikhef.nl> <20520@yunexus.YorkU.CA> Organization: York U. Computing Services Lines: 23 davecb@yunexus.YorkU.CA (David Collier-Brown) writes: | >I can comment on (3): berzerkley sendmail breaks on MX->MX, without even | >a loop. It evaluates the first MX and stops there. kre@cs.mu.OZ.AU (Robert Elz) writes: | Sendmail is NOT broken here ... the RFC is very precise on this | point, and its right. This permits A MX B and B MX A to allow | mail to be swapped between two hosts. Don't break it. | Any mailer that follows chains of MX records is VERY VERY broken. I'm well aware of that. I said that the expression ``breaks'' mailers, not that the mailer was broken. In other words, that isn't supported, for a defensable reason in that case... It wasn't a flame, it was a question! --dave -- David Collier-Brown, | davecb@Nexus.YorkU.CA | lethe!dave 72 Abitibi Ave., | Willowdale, Ontario, | Even cannibals don't usually eat their CANADA. 416-223-8968 | friends.