Xref: utzoo comp.mail.misc:2613 comp.mail.sendmail:1166 Path: utzoo!utgpu!utstat!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!samsung!uunet!philmtl!philabs!ccnysci!dan From: dan@ccnysci.UUCP (Dan Schlitt) Newsgroups: comp.mail.misc,comp.mail.sendmail Subject: Re: How serious is the at->@ problem? Message-ID: <3747@ccnysci.UUCP> Date: 17 Nov 89 18:44:27 GMT References: <7867@ditmela.oz> <10116@stag.math.lsa.umich.edu> Reply-To: dan@ccnysci.UUCP (Dan Schlitt) Organization: City College Of New York Lines: 33 In article <10116@stag.math.lsa.umich.edu> emv@math.lsa.umich.edu (Edward Vielmetti) writes: :In article <7867@ditmela.oz> smart@ditmela.oz.au (Robert Smart) writes: :>I know that names ending in .at (i.e. Austria) have caused problems :>with at->@ mail rewriting rules. [text deleted] :>The question is: is an "at" in the middle of a domain name like that :>likely to cause problems with broken mailer software around the place? : :There's an 'at.man.ac.uk' at an astronomy department in Manchster, :which triggered my awareness of the problem. You might want to :ask them as well. : :I'd discourage them (sigh) unless you're willing to send out a lot of :mail on their behalf to people (like me right now, sigh) who have :said broken mailers. Not much mail goes to Austria yet, and there's :no ridiculously popular service or person there, so chances are this :at->@ bug is still in a good many sendmail.cf's. : I have also noticed problems with hosts (or subdomains) the same as the two letter national codes. Some sendmail.cf files look for these and assume the terminal part is just added junk and strip it. Not right but it evidently is out there. :--Ed (at this point making a patch for my sendmail.cf's....) : :Edward Vielmetti, U of Michigan math dept -- Dan Schlitt Manager, Science Division Computer Facility dan@sci.ccny.cuny.edu City College of New York dan@ccnysci.uucp New York, NY 10031 dan@ccnysci.bitnet (212)690-6868