Re: Does this IP have reverse DNS?

2013-03-04 Thread Bill Cole
On 4 Mar 2013, at 14:22, Blake Hudson wrote: Maybe I am complacent in my expectation that I can ask for an A record and receive a CNAME in return, but what else would/could one expect - isn't this the behavior of CNAMEs? No. A CNAME record provides the canonical name that should be used inst

Re: Accept and store locally any mail received

2013-03-04 Thread Noel Jones
On 3/4/2013 1:42 PM, Erwan David wrote: > Le 04/03/2013 20:35, Noel Jones a écrit : >> On 3/4/2013 1:02 PM, Nicolas KOWALSKI wrote: >>> Hello, >>> >>> For a lab test, with several computers sending mail to any domain, I >>> would like to setup a postfix server accepting and storing >>> locally to >

Re: Does this IP have reverse DNS?

2013-03-04 Thread Blake Hudson
Robert Schetterer wrote the following on 3/4/2013 1:08 PM: Am 04.03.2013 19:46, schrieb Blake Hudson: Robert Schetterer wrote the following on 3/4/2013 12:37 PM: Am 04.03.2013 19:31, schrieb Blake Hudson: OK, so we ask for a PTR on 212.0.171.63.in-addr.arpa and instead receive a CNAME (with a

Re: Accept and store locally any mail received

2013-03-04 Thread Erwan David
Le 04/03/2013 20:35, Noel Jones a écrit : On 3/4/2013 1:02 PM, Nicolas KOWALSKI wrote: Hello, For a lab test, with several computers sending mail to any domain, I would like to setup a postfix server accepting and storing locally to only one account any mail received. It would be a sort of blac

Re: Does this IP have reverse DNS?

2013-03-04 Thread /dev/rob0
On Mon, Mar 04, 2013 at 01:22:39PM -0600, Blake Hudson wrote: > I still am unsure if it's valid to ask for a PTR record and receive > a CNAME in return. If it is, I assume that CNAME needs to lead to a > valid PTR record at some point. The way it works: when you query for any type and get a CNAM

Re: Accept and store locally any mail received

2013-03-04 Thread Noel Jones
On 3/4/2013 1:02 PM, Nicolas KOWALSKI wrote: > Hello, > > For a lab test, with several computers sending mail to any domain, I > would like to setup a postfix server accepting and storing locally to > only one account any mail received. It would be a sort of blackhole > relay server, but with m

Re: Accept and store locally any mail received

2013-03-04 Thread /dev/rob0
On Mon, Mar 04, 2013 at 08:02:30PM +0100, Nicolas KOWALSKI wrote: > For a lab test, with several computers sending mail to any domain, > I would like to setup a postfix server accepting and storing > locally to only one account any mail received. It would be a sort > of blackhole relay server, b

Re: Does this IP have reverse DNS?

2013-03-04 Thread Blake Hudson
/dev/rob0 wrote the following on 3/4/2013 12:56 PM: On Mon, Mar 04, 2013 at 12:31:08PM -0600, Blake Hudson wrote: KSB wrote the following on 3/4/2013 12:13 PM: On 2013.03.04. 20:06, Blake Hudson wrote: Just hoping to get a consensus on this. Postfix is stating that a host (in fact several hos

Re: Does this IP have reverse DNS?

2013-03-04 Thread Robert Schetterer
Am 04.03.2013 19:46, schrieb Blake Hudson: > > Robert Schetterer wrote the following on 3/4/2013 12:37 PM: >> Am 04.03.2013 19:31, schrieb Blake Hudson: >>> OK, so we ask for a PTR on 212.0.171.63.in-addr.arpa and instead receive >>> a CNAME (with additional). Did anyone notice that the CNAME does

Accept and store locally any mail received

2013-03-04 Thread Nicolas KOWALSKI
Hello, For a lab test, with several computers sending mail to any domain, I would like to setup a postfix server accepting and storing locally to only one account any mail received. It would be a sort of blackhole relay server, but with mail kept locally, no mail going out from it. Any idea on

Re: Does this IP have reverse DNS?

2013-03-04 Thread Reindl Harald
Am 04.03.2013 19:06, schrieb Blake Hudson: > Just hoping to get a consensus on this. Postfix is stating that a host (in > fact several hosts from the same ISP) > does not have rDNS, because our DNS (Bind 9.8) returns SERVFAIL when looking > up a PTR record for it. The IP in > question is 63.171

Re: Does this IP have reverse DNS?

2013-03-04 Thread /dev/rob0
On Mon, Mar 04, 2013 at 12:31:08PM -0600, Blake Hudson wrote: > KSB wrote the following on 3/4/2013 12:13 PM: > >On 2013.03.04. 20:06, Blake Hudson wrote: > >>Just hoping to get a consensus on this. Postfix is stating that a > >>host (in fact several hosts from the same ISP) does not have > >>rDN

Re: Does this IP have reverse DNS?

2013-03-04 Thread Blake Hudson
Robert Schetterer wrote the following on 3/4/2013 12:37 PM: Am 04.03.2013 19:31, schrieb Blake Hudson: OK, so we ask for a PTR on 212.0.171.63.in-addr.arpa and instead receive a CNAME (with additional). Did anyone notice that the CNAME does not resolve? yeah ,my dns cache didnt resolved it had

Re: Does this IP have reverse DNS?

2013-03-04 Thread Blake Hudson
Pau Amma wrote the following on 3/4/2013 12:40 PM: On Mon, March 4, 2013 6:31 pm, Blake Hudson wrote: OK, so we ask for a PTR on 212.0.171.63.in-addr.arpa and instead receive a CNAME (with additional). Did anyone notice that the CNAME does not resolve? Does for me. *shrug* $ dig +noall +quest

Re: Does this IP have reverse DNS?

2013-03-04 Thread Pau Amma
On Mon, March 4, 2013 6:31 pm, Blake Hudson wrote: > > OK, so we ask for a PTR on 212.0.171.63.in-addr.arpa and instead receive > a CNAME (with additional). Did anyone notice that the CNAME does not > resolve? Does for me. *shrug* $ dig +noall +question +answer -x 63.171.0.212 ;212.0.171.63.in-ad

Re: Does this IP have reverse DNS?

2013-03-04 Thread Robert Schetterer
Am 04.03.2013 19:31, schrieb Blake Hudson: > OK, so we ask for a PTR on 212.0.171.63.in-addr.arpa and instead receive > a CNAME (with additional). Did anyone notice that the CNAME does not > resolve? yeah ,my dns cache didnt resolved it had to be reloaded Best Regards MfG Robert Schetterer --

Re: Does this IP have reverse DNS?

2013-03-04 Thread Blake Hudson
KSB wrote the following on 3/4/2013 12:13 PM: On 2013.03.04. 20:06, Blake Hudson wrote: Just hoping to get a consensus on this. Postfix is stating that a host (in fact several hosts from the same ISP) does not have rDNS, because our DNS (Bind 9.8) returns SERVFAIL when looking up a PTR record f

Re: Postfix email system

2013-03-04 Thread Robert Schetterer
Am 04.03.2013 18:52, schrieb motty cruz: > Hello, > my company has three domain, our spam filters are running Postfix and > our IMAP server is also running Postfix. > > I want to re-construct our email system to have fault tolerance and > 99% up time. Any suggestions? > > Also, I would like fo

Re: Does this IP have reverse DNS?

2013-03-04 Thread John Peach
On Mon, 04 Mar 2013 12:06:20 -0600 Blake Hudson wrote: > Just hoping to get a consensus on this. Postfix is stating that a > host (in fact several hosts from the same ISP) does not have rDNS, > because our DNS (Bind 9.8) returns SERVFAIL when looking up a PTR > record for it. The IP in question i

Re: Does this IP have reverse DNS?

2013-03-04 Thread KSB
On 2013.03.04. 20:06, Blake Hudson wrote: Just hoping to get a consensus on this. Postfix is stating that a host (in fact several hosts from the same ISP) does not have rDNS, because our DNS (Bind 9.8) returns SERVFAIL when looking up a PTR record for it. The IP in question is 63.171.0.212. From

Re: Does this IP have reverse DNS?

2013-03-04 Thread Robert Moskowitz
On 03/04/2013 01:06 PM, Blake Hudson wrote: Just hoping to get a consensus on this. Postfix is stating that a > host (in fact several hosts from the same ISP) does not have rDNS, > because our DNS (Bind 9.8) returns SERVFAIL when looking up a PTR > record for it. The IP in question is 63.171.0

Does this IP have reverse DNS?

2013-03-04 Thread Blake Hudson
Just hoping to get a consensus on this. Postfix is stating that a host (in fact several hosts from the same ISP) does not have rDNS, because our DNS (Bind 9.8) returns SERVFAIL when looking up a PTR record for it. The IP in question is 63.171.0.212. From my perspective, this IP does not have a

Postfix email system

2013-03-04 Thread motty cruz
Hello, my company has three domain, our spam filters are running Postfix and our IMAP server is also running Postfix. I want to re-construct our email system to have fault tolerance and 99% up time. Any suggestions? Also, I would like for our clients to be able to change their E-mail passwords, I

Re: Allowing relay from IP subnet

2013-03-04 Thread Viktor Dukhovni
On Mon, Mar 04, 2013 at 03:03:03PM +0100, Andy Smith wrote: > debug_peer_list = 192.168.16.19 192.168.16.141 If this were your configuration, logs for connections from these clients would be verbose. Are they? > imap_submit_cred_file = /Library/Server/Mail/Config/postfix/submit.cred This is an

Re: Allowing relay from IP subnet

2013-03-04 Thread Andy Smith
Quoting jeffrey j donovan : what version of osx server ? if osx 10.7 or higher and you have included the " ServerApp " there are two mail configs; One is for the System One is for the ServerApp. The setting are located in /Library/Server/Mail/config/postfix Thanks for your reply Jeffre

Re: Allowing relay from IP subnet

2013-03-04 Thread jeffrey j donovan
On Mar 4, 2013, at 9:03 AM, Andy Smith wrote: > Hi, > > I have the simple requirement to allow email relay from other local machines > to a (Mac OS X) postfix server. > > mynetworks = 127.0.0.0/8, [::1]/128, 192.168.16.0/24 > > > thanks in advance for any tips, > > thanks, Andy. Greetin

Allowing relay from IP subnet

2013-03-04 Thread Andy Smith
Hi, I have the simple requirement to allow email relay from other local machines to a (Mac OS X) postfix server. This is so I can send emails from shell scripts running on any of the local machines from this office. So my wish is that I can relay mails from any machine in subnet 192.168