Hello, I didn't get an answer for this last posting of mine. So I just try again :-)
Regards Manfred ----- Original Message ----- From: "MH - Entwicklung" <[EMAIL PROTECTED]> To: "Sam Varshavchik" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Wednesday, May 15, 2002 9:00 AM Subject: Re: [courier-users] Re: esmtpauthclient and load balancing providers > Dear Sam, > > maybe we're missing the point or I see a problem where no problem is: > > auth.smtp.kundenserver.de is a CNAME for mrelayng.kundenserver.de > auth.smtp.kundenserver.de canonical name = mrelayng.kundenserver.de > > mrelayng.kundenserver.de has 2 A records: > mrelayng.kundenserver.de internet address = 212.227.126.160 > mrelayng.kundenserver.de internet address = 212.227.126.162 > > 212.227.126.160 and 212.227.126.162 have PTR records to > auth.smtp.kundenserver.de > > I suppose the provider may change the names and A records of his mailrelays > as he likes. He just has to make sure that the CNAME > auth.smtp.kundenserver.de is an alias of some existing mailrelay and that > the corresponding PTR records are set correctly. The actual A records > shouldn't be of interest. > This is why I think esmtpauthclient should also work with the CNAME instead > of the A record of a mailrelay. > > Regards > Manfred > > ----- Original Message ----- > From: "Sam Varshavchik" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, May 14, 2002 10:35 PM > Subject: [courier-users] Re: esmtpauthclient and load balancing providers > > > > MH - Entwicklung writes: > > > > > > > > ----- Original Message ----- > > > From: "Sam Varshavchik" <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Tuesday, May 14, 2002 3:36 PM > > > Subject: [courier-users] Re: esmtpauthclient and load balancing > providers > > > > > > > > >> The problem here is the CNAME record. Use mrelayng.kundenserver.de > > > instead > > >> of auth.smtp.kundenserver.de > > >> > > > > > > But the official name is auth.smtp.kundenserver.de. This may resolve as > a > > > completely different host (e.g. mrelayng2.kundenserver.de) some days > later. > > > Everytime the Provider changes something, I will have to enter the new A > > > > Well, if the provider changes their DNS, and updates the zone file, it is > > reasonable to expect anyone using the DNS to update their corresponding > > configuration as well. > > > > > different host I have a busy hotline. > > > I've seen providers doing this pretty often - I think for load balancing > and > > > availability reasons. > > > > Load balancing is typically done by simply providing multiple A records. > > Any change to the actual DNS zone requires a complete DNS server reload > with > > the new zone, so it's not really a sane way to do load balancing. > > > > > > -- > > Sam > > > > > > _______________________________________________________________ > > > > Have big pipes? SourceForge.net is looking for download mirrors. We supply > > the hardware. You get the recognition. Email Us: [EMAIL PROTECTED] > > _______________________________________________ > > courier-users mailing list > > [EMAIL PROTECTED] > > Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users > > > > > _______________________________________________________________ > > Have big pipes? SourceForge.net is looking for download mirrors. We supply > the hardware. You get the recognition. Email Us: [EMAIL PROTECTED] > _______________________________________________ > courier-users mailing list > [EMAIL PROTECTED] > Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users > _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ courier-users mailing list [EMAIL PROTECTED] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
