Date: Thu, 23 Apr 2015 16:52:26 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: Still not possible to send mail to domain libc.org On Thu, Apr 23, 2015 at 10:14:41PM +0200, Harald Becker wrote: > Hi Rich ! > > On 23.04.2015 21:59, Rich Felker wrote: > >However I agree this is a serious quality of hosting issue with my > >registrar's nameservers. They should not be timing out or dropping > >packets like they are. I was able to reproduce the issue. So for now > >I'm just going to move dns hosting for libc.org to my own nameserver. > > I'm unsure, if this is a random or quality of service problem. If so > it should be possible to get at least some messages through to your > mail address, but none of 10 successive tries to send messages to > you, have been accepted. Indeed, that does sound odd. I've filed a ticket with my registrar and for now I'm moving DNS hosting to my own nameserver but it may take 24 hours to update and propagate. Hopefully that fixes things. > I know this is not a prove, but it looks more like a general problem > ... most likely, the mail relay is expecting to have the MX lookup > return an IP address, not a name. MX is never an IP address; that's not even valid and not possible to represent in DNS. It's always a name, and it's required to be an A record, not a CNAME. Check MX for any other domain and you'll find an A record. Rich
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