RE: Mail Routing Question

2017-11-17 Thread Kevin Miller
/rob0 Sent: Thursday, November 16, 2017 5:57 PM To: postfix-users@postfix.org Subject: Re: Mail Routing Question On Thu, Nov 16, 2017 at 10:43:16PM +, Kevin Miller wrote: > You can point the A record for aaa.com to one IP and the MX record for > it to another. Yes, but not as per your exampl

Re: Mail Routing Question

2017-11-16 Thread /dev/rob0
On Thu, Nov 16, 2017 at 10:43:16PM +, Kevin Miller wrote: > You can point the A record for aaa.com to one IP and the MX record > for it to another. Yes, but not as per your example. > I.e. > aaa IN A 192.168.1.1 > IN MX 10 192.168.1.2 The RDATA for MX is "integer hostname". In your

Re: Mail Routing Question

2017-11-16 Thread Doug Hardie
> On 16 November 2017, at 14:45, Viktor Dukhovni > wrote: > > > >> On Nov 16, 2017, at 5:32 PM, Doug Hardie wrote: >> >> I have a domain, say: aaa.com for which I receive mail. Currently I have A >> records in DNS for aaa.com and mail.aaa.com as well as a MX record for >> aaa.com. All t

Re: Mail Routing Question

2017-11-16 Thread Benny Pedersen
Doug Hardie skrev den 2017-11-16 23:32: Will changing the A record for aaa.com cause the loss of some incoming mail? no, if that changed ip accept delivery of that recipient domain back to what mx does ?, it only defines a seperate hostname to deliver mail to if mail and other servicefs on ho

Re: Mail Routing Question

2017-11-16 Thread Viktor Dukhovni
> On Nov 16, 2017, at 5:32 PM, Doug Hardie wrote: > > I have a domain, say: aaa.com for which I receive mail. Currently I have A > records in DNS for aaa.com and mail.aaa.com as well as a MX record for > aaa.com. All three of them point to the same IP address which is where > postfix is ru

RE: Mail Routing Question

2017-11-16 Thread Kevin Miller
You can point the A record for aaa.com to one IP and the MX record for it to another. I.e. aaa IN A 192.168.1.1 IN MX 10 192.168.1.2 All the MX record does is tell the world what mail host to use for a given domain. So you may have a web server running on aaa.com but not your email s