Re: Postfix MX resolving issue on a chrooted setup

On Tue, Sep 03, 2019 at 09:40:36AM -0400, Jean-Philippe Méthot wrote: > The error message itself hints at something more like a limit set on the > user than a missing component. Let me paste it here again: > > unable to look up host mx.planethoster.net: Device or resource busy > > The implicat

Re: Postfix MX resolving issue on a chrooted setup

Ah, I must apologize, I didn’t phrase my question very well. I already ran the default example script that moves things like resolv.conf to be accessible from the chroot jail. What I meant to ask was more along the line of « In a properly configured root jail, is there any known issues when usin

Re: Postfix MX resolving issue on a chrooted setup

On 3/09/19 4:18 AM, Viktor Dukhovni wrote: I just want to make sure, the current stable version of Postfix does work chrooted in current centos 7, right? Postfix supports entering a chroot jail. Ensuring that the various system libraries that Postfix depends on still work in that jail is not

Re: Postfix MX resolving issue on a chrooted setup

> On Sep 2, 2019, at 10:16 AM, Jean-Philippe Méthot > wrote: > > Indeed. I suspect cloudlinux does something at the filesystem access level > that regular centos 7 doesn’t do which gives me this issue. > I would contact the Cloudlinux support but first, I just want to make sure, > the curr

Re: Postfix MX resolving issue on a chrooted setup

Indeed. I suspect cloudlinux does something at the filesystem access level that regular centos 7 doesn’t do which gives me this issue. I would contact the Cloudlinux support but first, I just want to make sure, the current stable version of Postfix does work chrooted in current centos 7, right?

Re: Postfix MX resolving issue on a chrooted setup

> On Aug 31, 2019, at 5:01 AM, Wesley Peng wrote: > > Maybe UDP is filtered in chroot environment. No. Chroot only affects filesystem (and unix-domain socket) access. -- Viktor.

Re: Postfix MX resolving issue on a chrooted setup

Maybe UDP is filtered in chroot environment. Can you try to capture the network flow? Jean-Philippe Méthot 于2019年8月31日 周六上午2:08写道： > Hi, > > I’ve been trying to setup postfix 3.4.6 (ghettoforge.org package) with > dovecot, mailscanner and the mailwatch frontend on a centos 7 (cloudlinux > 7.6) s

Postfix MX resolving issue on a chrooted setup

Hi, I’ve been trying to setup postfix 3.4.6 (ghettoforge.org package) with dovecot, mailscanner and the mailwatch frontend on a centos 7 (cloudlinux 7.6) server. Everything appears to work properly except that, when I setup smtp and lmtp as chrooted and try to send mai