Re: Two different IP for one mx

On 30 Jan 2018 3:43 a.m., "Paul" wrote: On 29/01/2018 21:09, jin&hitman&Barracuda wrote: > Hi > > We are tring to move our mx server to another isp. They gave us an IP > address but there is some strange points. When i try to connect any mail > related port on that ip, it send my connection to

Re: Upgrade to -3.2.5: permissions question

>> Therefore, while it may be possible to attempt to work around this >> in Postfix, the only sensible solution is at the OS level. > > Alas, those linking restrictions are still disabled by default on a > vanilla linux kernel (upstream rejected the patch to enable them), and > on every non-linux

Re: Upgrade to -3.2.5: permissions question

On 01/29/2018 03:31 PM, Viktor Dukhovni wrote: > > This issue affects a lot more than just Postfix, for example tar(1) > when run as root will chown files to the owner listed in the archive > metadata, and is almost certainly equally exposed. I'm not 100% sure, but it looks like GNU tar will use

Re: Two different IP for one mx

On 29/01/2018 21:09, jin&hitman&Barracuda wrote: Hi We are tring to move our mx server to another isp. They gave us an IP address but there is some strange points. When i try to connect any mail related port on that ip, it send my connection to our new postfix server. There is a destination

Re: Server will send spam

On 1/29/2018 4:59 PM, Maurizio Caloro wrote: Since today me Email Server will be send a lot of rubish, and i dont know why please can any one give me here any little Help! The evidence you sent shows from a brief review that it's coming from your mail server.  I think you likely have a us

Server will send spam

hello Since today me Email Server will be send a lot of rubish, and i dont know why please can any one give me here any little Help! I have a lot of "Mail Delivery System " error and i dont see from where this mails will come and why me Server this email will be send! me Server will

Re: Two different IP for one mx

On 1/29/2018 5:03 PM, jin&hitman&Barracuda wrote: It is 192.168.34.30/24 So that's a Class C (256 IPs) block from the reserved private class B address block*.  So you are definitely NATted if you have access to the internet. If you have a 1:1 NAT and can do port fo

Re: Two different IP for one mx

On 30 Jan 2018 12:56 a.m., "Kevin A. McGrail" wrote: On 1/29/2018 4:09 PM, jin&hitman&Barracuda wrote: > We are tring to move our mx server to another isp. They gave us an IP > address but there is some strange points. When i try to connect any mail > related port on that ip, it send my connecti

Re: Two different IP for one mx

On 1/29/2018 4:09 PM, jin&hitman&Barracuda wrote: We are tring to move our mx server to another isp. They gave us an IP address but there is some strange points. When i try to connect any mail related port on that ip, it send my connection to our new postfix server. There is a destination nat o

Two different IP for one mx

Hi We are tring to move our mx server to another isp. They gave us an IP address but there is some strange points. When i try to connect any mail related port on that ip, it send my connection to our new postfix server. There is a destination nat on it. It is strange becouse i can't see my actual

Re: Upgrade to -3.2.5: permissions question

> On Jan 29, 2018, at 12:21 PM, Michael Orlitzky wrote: > > My question is, can't the $mail_owner -- who knows that this is going to > take place eventually -- throw a hard link into the active queue that > points to a sensitive file? Proof of concept: > > $ sudo su postfix -s /bin/sh -c 'ln

Re: Upgrade to -3.2.5: permissions question

On 01/29/2018 12:25 PM, Joris (ideeel) wrote: > > Doesnt postfix use proxymap for that? > http://www.postfix.org/proxymap.8.html > For what? I'm wondering whether or not the upgrade procedure is safe w.r.t. the $mail_owner user.

Re: Upgrade to -3.2.5: permissions question

On 01/28/2018 01:53 PM, Viktor Dukhovni wrote: > > You're not supposed to do this "by hand". Instead, when upgrading from > source, run: > > # postfix set-permissions upgrade-configuration > How sensitive is the $mail_owner account? From what I gather, the set-permissions script (which defe

Re: removing postgrey - reconfigring postix

On 2018-01-24 07:15 PM, Peter wrote: On 24/01/18 19:32, john wrote: Is there a write up of how to setup up postscreen for maximum spam control. Of course there's the official docs, POSTSCREEN_README and postscreen(8). I also recommend this: http://rob0.nodns4.us/postscreen.html Peter * S

Re: removing postgrey - reconfigring postix

On 2018-01-24 07:15 PM, Peter wrote: On 24/01/18 19:32, john wrote: Is there a write up of how to setup up postscreen for maximum spam control. Of course there's the official docs, POSTSCREEN_README and postscreen(8). I also recommend this: http://rob0.nodns4.us/postscreen.html Peter * S

Re: Message-ID

On 01/28/2018 12:04 PM, Karol Augustin wrote: On 2018-01-28 9:25, CP wrote: on 01/27/2018 09:30 PM, Karol Augustin wrote: With Message-ID header and dovecot lmtp (I think lda works also) you eliminate  (a lot!!) of these duplicates so try it if you have the same problem. In my case I have a robo