Re: [DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[Ludovic Bellière via Dng]

On Tue, 30 Nov 2021, Marc Shapiro via Dng wrote:


I am getting e-mails like the one below all the time, now. I had this problem
once before and I think that all I had to do was clear the paniclog with '>
paniclog', but that does not seem to be working, now. I cleared it this
morning, and when I just checked it was filling up again. It looks like I get
three lines every half hour. This is preventing me from receiving e-mails sent
by a cron job that runs a backup script. Any ideas on how to get rid of this
and not have it come back would be greatly appreciated.

Marc


Make sure your exim configuration matches with the version of exim you have
installed. Make sure there is no .dpkg-new laying around in /etc/exim4. Check 
/usr/share/doc/exim4-base/changelog.gz.

Notably, in /usr/share/doc/exim4-base/README.UPDATING.gz:

# Exim version 4.94
# -
#
# Some Transports now refuse to use tainted data in constructing their delivery
# location; this WILL BREAK configurations which are not updated accordingly.
# In particular: any Transport use of $local_part which has been relying upon
# check_local_user far away in the Router to make it safe, should be updated to
# replace $local_part with $local_part_data.


Cheers,
Ludovic


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Re: [DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[tempforever]

Marc Shapiro via Dng wrote:
> exim paniclog /var/log/exim4/paniclog on quixote.home has non-zero
> size, mail system might be broken. Up to 10 lines are quoted below.
>
> 2021-11-30 06:00:19 1momA3-00054k-DE ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted

One other link that may be of help (?)
https://dev1galaxy.org/viewtopic.php?id=4379

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Re: [DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[tempforever]

Marc Shapiro via Dng wrote:
> I am getting e-mails like the one below all the time, now.  I had this
> problem once before and I think that all I had to do was clear the
> paniclog with '> paniclog', but that does not seem to be working,
> now.  I cleared it this morning, and when I just checked it was
> filling up again.  It looks like I get three lines every half hour. 
> This is preventing me from receiving e-mails sent by a cron job that
> runs a backup script.  Any ideas on how to get rid of this and not
> have it come back would be greatly appreciated.
>
> Marc
>
> e-mail showing paniclog:
>
> exim paniclog /var/log/exim4/paniclog on quixote.home has non-zero
> size, mail system might be broken. Up to 10 lines are quoted below.
>
> 2021-11-30 06:00:19 1momA3-00054k-DE ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 06:30:19 1mrJnB-00026m-53 ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 06:30:20 1mmEkA-9l-Jr ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 06:30:20 1momA3-00054k-DE ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 07:00:19 1mrJnB-00026m-53 ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 07:00:19 1mmEkA-9l-Jr ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 07:00:19 1momA3-00054k-DE ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 07:30:19 1mrJnB-00026m-53 ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 07:30:20 1mmEkA-9l-Jr ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
> 2021-11-30 07:30:20 1momA3-00054k-DE ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory
> name for mail_spool transport) not permitted
>
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Does this help?  A dist-upgrade, thus upgrading exim, could cause
breakage, requiring configuration update.  I use postfix instead of
exim, and don't know much about exim, just found this following link on
a search.

https://lists.archive.carbon60.com/exim/users/117441

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Re: [DNG] networking thinking

[Mike Tubby]

On 28/11/2021 15:22, d...@d404.nl wrote:

On 28-11-2021 15:36, wirelessduck--- via Dng wrote:




On 29 Nov 2021, at 01:07, tito via Dng  wrote:

On Sun, 28 Nov 2021 07:20:14 -0600
o1bigtenor via Dng  wrote:


Greetings

In anticipation of a fiber optical connection (moving from a 
wireless) I

have been planning out and purchasing some bits of hardware. Am finding
that networking is, at least sure seems to be, another black hole 
for time

and effort.

TL;DR (skip to last paragraphs for the question(s))

At present this is a soho office kind of installation but that will 
slowly
be morphing into something that is at least somewhat larger. There 
are a

number of input sensor locations being worked on some of which would be
generating, initially at least, up to 15 data streams sampled possibly
every second (some maybe more often - - - decisions aren't all done 
as yet)
so there will be a fair amount of data running around on my network 
which

I'm trying to keep largely a wired affair.

At this point I'm working on the three entry bits of hardware (and 
their
software) - - - the router, hardware firewall, and the managed 
switch. The
initial hockup on the fiber system is going to be at 250 Mbps 
sysmetric.


For the router I'm planning on using OpenWRT running on a Nanopi 
r4s which
according to the folks over on openwrt capable of even very close 
to full
Gbps speeds (IIRC tested to some 918 Mbps) which would give some 
headroom

for future increases although I don't see a need for the foreseeable
future.

For the switch I have found myself a XyZel 1900-48 that I'm working on
getting OpenWRT on. This ability to run a managed switch on OpenWRT is
somewhat new but its open source and I'm not tied (I don't think) to
OpenWRT - - - - except I don't know any other real alternative - - - so
that's not a difficult solution either. I don't 'need' 48 ports but 
I have
16 at present on a hub and its almost full and that's for stuff 
only here
in the orifice (sic!). I also want the capabilities of forcing 
streaming
services and wireless communications to not collect any more data 
from any

other part of the network (using VLANs) as is possible.

Then lastly to the hardware firewall.
I've been looking at pfsense and opnsense. Both are ipv6 possible 
although
both are mostly focused on ipv4 at the present. IPfire seems to 
have gotten

itself into a holding pattern and is not continuing work toward ipv6
functionality. Any one of these options are producing headaches 
when I'm

trying to figure out how to configure them - - - nothing installed at
present, just researching so far.

So - - - - questions - - - -
1. is my splitting the network system into the three parts a good 
idea or
should I truncate parts 1 and 2 into the router? If you would 
please give

reasons - - - please?


Hi,

If you want to have reliability splitting is good, if the router breaks
you still have a working firewall and switch and so on.
If you want also some redundancy you should think of buying
two of everything:

2 routers
2 firewalls
2 switches (2 x24 rather than 1x48 ports)

I personally prefer x86 hardware for this kind of things
when I see that little boxes like the Nanopi R4S they make me
think about toys. In my case sadly I'm tied to adsl over pots
so for the modem I still need to use this little plastic blackboxes.
In your case I would swap the nanopi for a nice mini-itx board
with intel nics, a sfx/flex psu (or pico psu), 4-8 gb of ram and a well
ventilated case (with low noise Noctua fans).


2. are there any good sources for information on and about networking?
debian has moved to nftables from iptables  - - - is devuan doing
similar?


I think so.


Where does one find information to enable a firewall that works yet
isn't stupid?


I use arno-iptables-firewall It is easy to create a basic setup for 
your network,
reliable, comes with good defaults and can easily be tweaked (for 
port-forwarding,
vpns, geoip filtering and so on, don't know about vlans as don't use 
them yet).


(I've wondered about having some kind of easy 'switch' that when 
users left
their systems that the system wouldn't be calling home in the 
overnight at

least a la ms googly. Dunno if that's 'simple' or not - - - so much to
learn and so little time to do it all in!)

TIA


Ciao,
Tito


I’ve just finished setting up a new router using PCEngines APU2 
(apu4d4 model) with OpenWRT. Uses x64 AMD Embedded G series GX-412TC 
and has 4x Intel i211AT Ethernet ports. It also runs a Coreboot bios 
and I can see regular bios updates approximately monthly. The 
coreboot bios and AMD CPU were the main reasons I picked this over a 
Qotom box. It’s also fanless which is good for a quiet environment.


The only downside is having only serial console output so you need a 
serial cable or serial-usb cable for the initial setup or bios 
configuration changes. Thankfully subsequent bios updates can be done 
with OpenWRT via flashrom.


https://pcengines.ch/apu2.htm

Re: [DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[Marc Shapiro via Dng]

This is what is in /var/log/exim4.  As you can see, thae paniclog still has the 
same ownership and rights as everything else in the directory.

Marc

root@quixote:/var/log/exim4# ls
total 88
-rw-r- 1 Debian-exim adm 10728 Nov 30 15:13 mainlog
-rw-r- 1 Debian-exim adm 31961 Nov 30 07:53 mainlog.1
-rw-r- 1 Debian-exim adm  1036 Nov 21 08:02 mainlog.10.gz
-rw-r- 1 Debian-exim adm  1426 Nov 29 07:45 mainlog.2.gz
-rw-r- 1 Debian-exim adm  1241 Nov 28 07:41 mainlog.3.gz
-rw-r- 1 Debian-exim adm  1170 Nov 27 07:52 mainlog.4.gz
-rw-r- 1 Debian-exim adm  1172 Nov 26 07:55 mainlog.5.gz
-rw-r- 1 Debian-exim adm  1160 Nov 25 07:42 mainlog.6.gz
-rw-r- 1 Debian-exim adm  1167 Nov 24 07:36 mainlog.7.gz
-rw-r- 1 Debian-exim adm  1168 Nov 23 07:56 mainlog.8.gz
-rw-r- 1 Debian-exim adm  1148 Nov 22 07:54 mainlog.9.gz
-rw-r- 1 Debian-exim adm   740 Nov 30 15:13 paniclog
-rw-r- 1 Debian-exim adm 0 Nov  9 23:14 rejectlog
 -



On 11/30/21 15:07, d...@d404.nl wrote:

On 01-12-2021 00:00, Marc Shapiro via Dng wrote:
I am getting e-mails like the one below all the time, now.  I had 
this problem once before and I think that all I had to do was clear 
the paniclog with '> paniclog', but that does not seem to be working, 
now.  I cleared it this morning, and when I just checked it was 
filling up again.  It looks like I get three lines every half hour.  
This is preventing me from receiving e-mails sent by a cron job that 
runs a backup script.  Any ideas on how to get rid of this and not 
have it come back would be greatly appreciated.


Marc

e-mail showing paniclog:

exim paniclog /var/log/exim4/paniclog on quixote.home has non-zero 
size, mail system might be broken. Up to 10 lines are quoted below.


2021-11-30 06:00:19 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 06:30:19 1mrJnB-00026m-53 ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 06:30:20 1mmEkA-9l-Jr ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 06:30:20 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:00:19 1mrJnB-00026m-53 ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:00:19 1mmEkA-9l-Jr ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:00:19 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:30:19 1mrJnB-00026m-53 ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:30:20 1mmEkA-9l-Jr ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:30:20 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted


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You probably used a UID/GID to clear paniclog which exim cannot write 
to because different group or no group or other rights.


Grtz

Nick

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Re: [DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[Marc Shapiro via Dng]

root@quixote:/usr/local/bin# ls -al /var/mail/
total 396
drwxrwsr-x  2 root mail   4096 Nov 30 07:59 .
drwxr-xr-x 13 root root   4096 Dec  3  2020 ..
-rw-rw  1 marc mail 136846 Nov 30 07:53 marc
-rw-r--r--  1 marc mail   9864 Nov 30 15:15 marc.msf
-rw-r--r--  1 marc mail 25 Nov 25 23:36 msgFilterRules.dat
-rw---  1 root mail  0 Nov 14  2020 root
-rw-r--r--  1 marc mail   1622 Nov 25 23:36 root.msf
-rw---  1 marc mail 196494 Nov 30 08:05 Trash
-rw-r--r--  1 marc mail  26198 Nov 30 14:51 Trash.msf
-rw---  1 marc mail  0 Nov 25 23:35 Unsent Messages
-rw-r--r--  1 marc mail   1757 Nov 30 15:14 Unsent Messages.msf

On 11/30/21 15:06, Antony Stone wrote:

ls -al/var/mail/

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Re: [DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[d...@d404.nl]

On 01-12-2021 00:00, Marc Shapiro via Dng wrote:
I am getting e-mails like the one below all the time, now.  I had this 
problem once before and I think that all I had to do was clear the 
paniclog with '> paniclog', but that does not seem to be working, 
now.  I cleared it this morning, and when I just checked it was 
filling up again.  It looks like I get three lines every half hour.  
This is preventing me from receiving e-mails sent by a cron job that 
runs a backup script.  Any ideas on how to get rid of this and not 
have it come back would be greatly appreciated.


Marc

e-mail showing paniclog:

exim paniclog /var/log/exim4/paniclog on quixote.home has non-zero 
size, mail system might be broken. Up to 10 lines are quoted below.


2021-11-30 06:00:19 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 06:30:19 1mrJnB-00026m-53 ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 06:30:20 1mmEkA-9l-Jr ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 06:30:20 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:00:19 1mrJnB-00026m-53 ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:00:19 1mmEkA-9l-Jr ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:00:19 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:30:19 1mrJnB-00026m-53 ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:30:20 1mmEkA-9l-Jr ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted
2021-11-30 07:30:20 1momA3-00054k-DE ==m...@quixote.home R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory 
name for mail_spool transport) not permitted


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You probably used a UID/GID to clear paniclog which exim cannot write to 
because different group or no group or other rights.


Grtz

Nick

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Re: [DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[Antony Stone]

On Wednesday 01 December 2021 at 00:00:00, Marc Shapiro via Dng wrote:

> I am getting e-mails like the one below all the time, now.

> 2021-11-30 06:00:19 1momA3-00054k-DE ==m...@quixote.home  R=local_user
> T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name
> for mail_spool transport) not permitted

What do you get from:

ls -al /var/mail/


Antony.

-- 
In science, one tries to tell people
in such a way as to be understood by everyone
something that no-one ever knew before.

In poetry, it is the exact opposite.

 - Paul Dirac

   Please reply to the list;
 please *don't* CC me.
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[DNG] exim paniclog /var/log/exim4/paniclog has non-zero size

[Marc Shapiro via Dng]

I am getting e-mails like the one below all the time, now.  I had this problem 
once before and I think that all I had to do was clear the paniclog with '> 
paniclog', but that does not seem to be working, now.  I cleared it this morning, 
and when I just checked it was filling up again.  It looks like I get three lines 
every half hour.  This is preventing me from receiving e-mails sent by a cron job 
that runs a backup script.  Any ideas on how to get rid of this and not have it 
come back would be greatly appreciated.

Marc

e-mail showing paniclog:

exim paniclog /var/log/exim4/paniclog on quixote.home has non-zero size, mail 
system might be broken. Up to 10 lines are quoted below.

2021-11-30 06:00:19 1momA3-00054k-DE ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 06:30:19 1mrJnB-00026m-53 ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 06:30:20 1mmEkA-9l-Jr ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 06:30:20 1momA3-00054k-DE ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 07:00:19 1mrJnB-00026m-53 ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 07:00:19 1mmEkA-9l-Jr ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 07:00:19 1momA3-00054k-DE ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 07:30:19 1mrJnB-00026m-53 ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 07:30:20 1mmEkA-9l-Jr ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted
2021-11-30 07:30:20 1momA3-00054k-DE ==m...@quixote.home  R=local_user 
T=mail_spool defer (-1): Tainted '/var/mail/marc' (file or directory name for 
mail_spool transport) not permitted

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Re: [DNG] snetaid debs...

[aitor]

Hi Edward,

On 11/23/21 10:22 PM, Edward Bartolo via Dng wrote:

Dear Aitor,
There are no hard feelings from me, notwithstanding my project is now
defunct. I would like to thank you for adopting it in your own way to
modernise it so that it can be secure and enjoyed by everyone.
Sincerily, thanks for all your time and dedication. Thanks to Devuan,
I am using what was known as Debian without the burden of systemd.


You gave me the base to work upon. Didier Kryn also gave me some good ideas
working on hopman that have been really useful for simple-netaid.



As you clearly indicate, the old version uses an SUID executable to
get root privileges which is a security hole which Devuan did very
well to close, even though it broke my latest version of
simple-netaid-*. In my limited use case, I worked around the breakage
by removing the GUI component and using only the backend as root. It
works in my case, but other users may require more functionality,
which thanks to people like you, they can have. Sincerily, THANKS for
your time and effort.


Now the shared library sends a signal to the daemon as a reminder
for client connection requests to be listened to on the server socket.
The cap_kill linux capability allows the shared library to send this signal
to the daemon (a process running with root privilegies) and be successful.
And last the daemon gets the credentials from the received data before
going ahead with the task requested. Have a look at read_arguments() in
snetaid (lines 1056 - 1156):

https://gitea.devuan.dev/aitor_czr/snetaid/src/branch/master/src/main.c 




Regarding the idea of importing functionality from your libraries to
let my latest version of simple-netaid-* connect without the
requirement of an SUID tag, although it can be done, there is no need
for Devuan, as users can already use your project.


I'm a bit stubborn, though :)

Cheers,

Aitor.



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Re: [DNG] Simple-netaid 1-0 released

[aitor]

Hi fraser,

On 11/30/21 12:23 PM, fraser kendall wrote:

Very nice tool. So far doing everything I expected it to do, and doing
it reliably and quickly. Thank you.


Thank you very much for taking the time to test it!

Aitor.


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Re: [DNG] Simple-netaid 1-0 released

[fraser kendall]

On Sat, 20 Nov 2021 12:47:24 +0100
aitor  wrote:

> Hi all,
> 
> I've just uploaded the packages of simple-netaid (libnetaid + snetaid
> + simple-netaid-cdk) to the repository of gnuinos chimaera. If you
> want to install them in devuan, 

Very nice tool. So far doing everything I expected it to do, and doing
it reliably and quickly. Thank you.

fraser
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Re: [DNG] Wanting to set up an email system

[Adrian Zaugg]

In der Nachricht vom Monday, 29 November 2021 23:08:33 CET schrieb Adrian 
Zaugg:
> Be prepared for a long, long journey setting up an email system with
> SMTP/ IMAP/Webmail using all the goodies SPF/SRS, BATV, DKIM, DNSSEC, TLS
> certs, DANE, virusscanning, anti-spam Measures (possibly greylisting,
> classification, RBLs, dnswl, ...), virtual domain handling, user auth from
> a directory, automatical MUA configuration, backup of the mailstorage, asf.
...sieve and vacation might also be nice and a solution for an addressbook, 
both integrated into the webmail

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