On Sat, March 9, 2019 4:53 am, Bill Cole wrote:
> On 8 Mar 2019, at 7:33, li...@sbt.net.au wrote:
>> is that an OK idea ?
>
> That's how I always do it, and it works well. Make sure you reduce the
> TTL value of the A record to a short value for at least twice the normal
> TTL before doing the swi
On Fri, Mar 08, 2019 at 08:00:47PM +0300, sse450 wrote:
> Hoping to solve this problem, I wanted to block all the sender emails
> not defined in sender_relay table. I will do what you advised here. But,
> I know that this will also block apache sender eventually. In this case,
> I will have ano
On Mar 8, 2019, at 10:00, sse450 wrote:
> This mails originates from Apache through (I think) php mail. Obviously, my
> server is compromised.
Not obvious at all, no. But the php script to sent mail to users may not be
properly configured for your new settings. It should be setup to use submiss
On 8 Mar 2019, at 7:33, li...@sbt.net.au wrote:
I have Postfix/Dovecot/Mysql on Centos 7 with mail_version = 3.2.4
setup new server same hostname as old server with mail_version = 3.3.3
using same hostname as old server
the thought was to change A records to point mailserver hostname to
new
* Wietse Venema:
> Which distro ships with Linux 5.x kernels?
I use Gentoo Linux with a 5.0.0 kernel and the mail-mta/postfix-3.4.0
ebuild on several servers. If you want to try it, you'd need to use the
~amd64 (un-stable) keyword for sys-kernel/gentoo-sources and the
aforementioned mail-mta/post
* sse:
> Obviously, my server is compromised.
Are you really certain of that? If you are, I suggest you do a full wipe
of your server. Meddling with the Postfix configuration to prevent email
being sent does nothing to address a compromised server.
-Ralph
On 8.03.2019 19:15, Viktor Dukhovni wrote:
On Mar 8, 2019, at 11:02 AM, Wietse Venema wrote:
Perhaps sender_dependent_default_transport_maps uses the same
null-sender lookup mechanism as other mappings. For example the
transport map has this note:
Note 1: the null recipient address is looked u
> On Mar 8, 2019, at 11:02 AM, Wietse Venema wrote:
>
> Perhaps sender_dependent_default_transport_maps uses the same
> null-sender lookup mechanism as other mappings. For example the
> transport map has this note:
>
> Note 1: the null recipient address is looked up as
> $empty_address_recipient
Viktor Dukhovni:
>
> > That's easy enough, use sender_dependent_default_transport_maps,
> > and a default transport that returns mail as undeliverable.
> >
> > /etc/postfix/main.cf:
> > sender_dependent_default_transport_maps = hash:/etc/postfix/sender_relay
> > default_transport = error:
> That's easy enough, use sender_dependent_default_transport_maps,
> and a default transport that returns mail as undeliverable.
>
> /etc/postfix/main.cf:
> sender_dependent_default_transport_maps = hash:/etc/postfix/sender_relay
> default_transport = error:5.7.1 sender is not authorized
On 8.03.2019 18:01, Wietse Venema wrote:
Ozy Mate:
Dear Friends,
I have signed up with a 3rd party smtp server as relay host. This server
needs the following lines in the main.cf of our server instead of relayhost
direction:
smtp_sender_dependent_authentication = yes
sender_dependent_relayhost
On Wed, Mar 06, 2019 at 05:34:03PM +, Samuel Torton wrote:
> virtual_alias_maps = hash:/etc/postfix/virtual
> relay_recipient_maps = hash:/etc/postfix/relay_recipients
> transport_maps = hash:/etc/postfix/transport
> ...
>
>
> Here is my /etc/postfix/virtual:
>
> ...
> @domain2.com
I haven't taken any step to prevent this as I don't know what to do.
Hence, I am asking about it.
I would appreciate if you direct me in the right direction to prevent
all the others not listed in sender_dependent_relayhost_maps.
On 8.03.2019 15:41, @lbutlr wrote:
On 7 Mar 2019, at 20:52,
Ozy Mate:
> Dear Friends,
>
> I have signed up with a 3rd party smtp server as relay host. This server
> needs the following lines in the main.cf of our server instead of relayhost
> direction:
>
> smtp_sender_dependent_authentication = yes
> sender_dependent_relayhost_maps = hash:/etc/postfix/se
On 3/8/19 7:26 AM, Wietse Venema wrote:
> Which distro ships with Linux 5.x kernels? I want to install that
> distribution in a VM for tests. I am not interested in a FrankenLinux
> where I have to assemble different parts from different providers.
> Last time I asked I did not get a good answer.
* Wietse Venema :
> Which distro ships with Linux 5.x kernels? I want to install that
> distribution in a VM for tests. I am not interested in a FrankenLinux
> where I have to assemble different parts from different providers.
> Last time I asked I did not get a good answer.
Linux x1.sys4.de 5.0.0
I would think about using the transport file for this. It's pretty
flexible. Check the docs, but I found this:
*"TABLE SEARCH ORDER*
With lookups from indexed files such as DB or DBM, or from networked
tables such as NIS, LDAP or SQL, patterns are tried in the order as
On Fri, Mar 8, 2019 at 7:27 AM Wietse Venema wrote:
> Which distro ships with Linux 5.x kernels?
$ uname -r
5.0.0-gentoo
> On 7 Mar 2019, at 20:52, Ozy Mate wrote:
>
> Dear Friends,
>
> I have signed up with a 3rd party smtp server as relay host. This server
> needs the following lines in the main.cf of our server instead of relayhost
> direction:
>
> smtp_sender_dependent_authentication = yes
> sender_depen
:-)
Or instead of downloading and installing download a qemu image of ArchLinux:
http://pages.mini.pw.edu.pl/~kozlowskim/archv.qcow2
It' s an up-to-date qemu image prepared for my students.
Best regards,
Marek
On 3/8/19 1:32 PM, Marek Kozlowski wrote:
:-)
ArchLinux?
It's a rolling release o
> Am 08.03.2019 um 13:26 schrieb Wietse Venema :
>
> Which distro ships with Linux 5.x kernels? I want to install that
> distribution in a VM for tests. I am not interested in a FrankenLinux
> where I have to assemble different parts from different providers.
> Last time I asked I did not get a g
:-)
ArchLinux?
It's a rolling release one. Install any version then run `pacman -Suy'
for upgrade to the most recent packages in repos. Quick and simple (but
it is a systemd Linux :-( )
Best regards,
Marek
On 3/8/19 1:26 PM, Wietse Venema wrote:
Which distro ships with Linux 5.x kernels? I
I have Postfix/Dovecot/Mysql on Centos 7 with mail_version = 3.2.4
setup new server same hostname as old server with mail_version = 3.3.3
using same hostname as old server
the thought was to change A records to point mailserver hostname to new
server IP at switch over time
is that an OK idea ?
Which distro ships with Linux 5.x kernels? I want to install that
distribution in a VM for tests. I am not interested in a FrankenLinux
where I have to assemble different parts from different providers.
Last time I asked I did not get a good answer.
Wietse
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