Re: Anyone use spf and dmarc and dkim?

2022-06-17 Thread Tim via users
On Fri, 2022-06-17 at 11:16 -0500, Thomas Cameron wrote:
> But my point is, setting up spf works as expected. I've verified it
> via my emails to known correctly configured mail servers like GMail.
> What I don't understand is why, when it is apparently set up
> correctly, are there mail servers which throw errors when I send
> email through a mailing list. Is it a misconfiguration of the mailing
> list? Is it a misconfiguration of the receivers?

I don't think there's a way around this (for you).  These records are
used to say who can post your mail (only *your* mail servers).

That, in itself, doesn't stop spam.  It relies on other servers
refusing mail appearing to be from you, but coming from an unauthorised
source.  And it wouldn't stop someone sending mail forged as coming
from you, going through your authorised server.  But it's a better spam
identifier than many other schemes.

But when you post to a mailing list, it reposts your mail through them,
still identified as coming from you.  Their server is not on your
authorised list (and shouldn't be).

The only way I can see to avoid that problem is for the mailing list to
not distribute your message from *you*, but rewrite the "from" address
as coming from itself.  People don't like that, because it anonymises
mail (people behave worse when anonymous), and they can't send private
replies (not that some of us want them).

I preferred usenet to mailing lists.  You posted to a group, people
subscribed (or browsed it) if they wanted to see it.  You didn't need
to use an email address, so no spam could come in your direction (only
to the group, which may have reasonably good anti-spam systems).

I've yet to come across an anti-spam system that doesn't stuff
something up (false negatives, false positives, not detecting spam). 
If you have to check your (suspected) spam folder each time you get
your mail, what's the point of using it?

System-wide ISP systems are able better than personal spam detection
systems.  In the sense that an ISP gets thousands of emails, and when
scads of identical spam hit their server, it can be flagged and deleted
as spam.  This is completely different from any system (ISP-supplied or
not) that only assesses your inbox in isolation.

Really what's needed to actually stop spam is for all SMTP servers to
require their clients to authenticate, for the servers to verify their
client's identities when they join the service, and to refuse anyone to
post spam in the first place.  But that's never going to happen. 
People don't want that level of identity control, anonymity is needed
for some circumstances, and there are service that are set up solely
for spewing spam (they won't agree to do anything to stop spam).

I've said it for many years - the only way to stop spammers is to chop
off their hands.

-- 
 
uname -rsvp
Linux 3.10.0-1160.66.1.el7.x86_64 #1 SMP Wed May 18 16:02:34 UTC 2022 x86_64
 
Boilerplate:  All unexpected mail to my mailbox is automatically deleted.
I will only get to see the messages that are posted to the mailing list.
 
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Re: Anyone use spf and dmarc and dkim?

2022-06-17 Thread Thomas Cameron via users

On 6/17/22 11:50, Thomas Cameron wrote:

On 6/17/22 11:16, Thomas Cameron wrote:
Yeah, I changed it to soft fail (~all) instead of -all before. Also, 
to be clear, I only added the list server address for testing 
purposes. I wouldn't leave it that way. I was just trying to figure 
out why I was getting errors and how I could fix them.


But my point is, setting up spf works as expected. I've verified it 
via my emails to known correctly configured mail servers like GMail. 
What I don't understand is why, when it is apparently set up 
correctly, are there mail servers which throw errors when I send 
email through a mailing list. Is it a misconfiguration of the mailing 
list? Is it a misconfiguration of the receivers?


I mean, setting up spf isn't rocket science. There are tons of 
tutorials, and I am reasonably certain it's set up correctly since my 
emails come through with PASS ratings when I check them via e.g. 
GMail. Why are they failing when I send them through an email list 
server? What is the misconfiguration that you are saying I have?


And here's what I get every time I post to this list. It's a small 
handful of mail servers that send me what appears to be incorrect 
errors because the ip address of the Fedora mail server is different 
from my mail server. I think it's stale DNS data now, since I've 
changed the TXT record.


https://imgur.com/a/AdQ9Y18

Hopefully I've nailed it down. I've stripped some weird/extraneous stuff 
out of the TXT entries in DNS and gone to the bare minimum. I'll see if 
I get bounces when I send this.


Thomas
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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Thomas Cameron

On 6/17/22 14:16, Anil F Duggirala wrote:

So now I have noticed at boot time I am getting a message about "NVIDIA
kernel module missing, falling back to Nouveau".
I think I have Secure Boot enabled, could this be why it didn't work?
I have now followed the instructions in:
https://rpmfusion.org/Howto/Secure%20Boot
And I think I went through the whole process of importing the key (Im
not sure I did everything right).
If I have now imported the key correctly, do I need to reinstall those
packages to get the driver to work?
What do I need to do now to get the driver to load?

thanks for your help,


I don't really know, I didn't have to mess with secure boot on my systems.

Anyone?

Thomas
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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Anil F Duggirala
So now I have noticed at boot time I am getting a message about "NVIDIA
kernel module missing, falling back to Nouveau". 
I think I have Secure Boot enabled, could this be why it didn't work?
I have now followed the instructions in:
https://rpmfusion.org/Howto/Secure%20Boot
And I think I went through the whole process of importing the key (Im
not sure I did everything right).
If I have now imported the key correctly, do I need to reinstall those
packages to get the driver to work?
What do I need to do now to get the driver to load?

thanks for your help,

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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Thomas Cameron

On 6/17/22 13:55, Anil F Duggirala wrote:


I have done this, I installed both packages above.
Now, at bootup I am getting some errors (still, these were present
before installing the new drivers, less I think) related to
nouveau: https://pastebin.com/VFwQBbEq
I also think I saw some other message regarding power management at
bootup but it is not contained in the above paste from dmesg.
Is there a way for me to test if my card has been properly installed
and the driver is in use?
How do I know which card is used for normal computing and what card is
used for specific applications?
Note: Gnome has an option to "Launch using discrete graphics card" when
right clicking on any app installed.

thanks for your help.


Do the graphics work? In other words, are you using the NVidia card to 
run X? If you attach an external monitor does it come up?


You might need to blacklist nouveau (although I am relatively certain 
you shouldn't have to, the RPMFusion packages should do that automatically.


Thomas
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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Anil F Duggirala
On Fri, 2022-06-17 at 09:15 -0500, Thomas Cameron wrote:
> sudo dnf update -y # and reboot if you are not on the latest kernel
> sudo dnf install akmod-nvidia # rhel/centos users can use kmod-nvidia
> instead
> sudo dnf install xorg-x11-drv-nvidia-cuda #optional for
> cuda/nvdec/nvenc 
> support

I have done this, I installed both packages above.
Now, at bootup I am getting some errors (still, these were present
before installing the new drivers, less I think) related to
nouveau: https://pastebin.com/VFwQBbEq
I also think I saw some other message regarding power management at
bootup but it is not contained in the above paste from dmesg.
Is there a way for me to test if my card has been properly installed
and the driver is in use?
How do I know which card is used for normal computing and what card is
used for specific applications?
Note: Gnome has an option to "Launch using discrete graphics card" when
right clicking on any app installed.

thanks for your help.


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Re: Getting a new printer/scanner

2022-06-17 Thread Richard England

On 6/16/22 01:02, andreas.fourn...@runbox.com wrote:

So, it's time again for me to get a new printer/scanner as the old one
just died.

I hope it isn't too much off-topic to solicit advice on what to get so
that it would work flawlessly with Fedora. I'm looking for a rather
basic model. When I browse the homepages of manufacturers I can't find
any mention of support for Linux. Is there a list somewhere of
printer/scanners that are supported by Linux?

Thanks
Andreas
___


If you find one of interest there may be information about it available 
here:


https://www.openprinting.org/printers

However, I don't believe it covers all the models.  I have an HP Color 
Laserjet Pro MFP M283cdw  that works fine with the HPLIP modules 
installed but it doesn't appear on that list.


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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Thomas Cameron

On 6/17/22 11:46, Patrick O'Callaghan wrote:

IIRC I also had to blacklist the Nouveau driver. Don't know if that's
still necessary.


The RPMFusion RPMs do it for you.

Thomas
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Re: Anyone use spf and dmarc and dkim?

2022-06-17 Thread Thomas Cameron

On 6/17/22 11:16, Thomas Cameron wrote:
Yeah, I changed it to soft fail (~all) instead of -all before. Also, 
to be clear, I only added the list server address for testing 
purposes. I wouldn't leave it that way. I was just trying to figure 
out why I was getting errors and how I could fix them.


But my point is, setting up spf works as expected. I've verified it 
via my emails to known correctly configured mail servers like GMail. 
What I don't understand is why, when it is apparently set up 
correctly, are there mail servers which throw errors when I send email 
through a mailing list. Is it a misconfiguration of the mailing list? 
Is it a misconfiguration of the receivers?


I mean, setting up spf isn't rocket science. There are tons of 
tutorials, and I am reasonably certain it's set up correctly since my 
emails come through with PASS ratings when I check them via e.g. 
GMail. Why are they failing when I send them through an email list 
server? What is the misconfiguration that you are saying I have?


And here's what I get every time I post to this list. It's a small 
handful of mail servers that send me what appears to be incorrect errors 
because the ip address of the Fedora mail server is different from my 
mail server. I think it's stale DNS data now, since I've changed the TXT 
record.


https://imgur.com/a/AdQ9Y18

--
Thomas
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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Patrick O'Callaghan
On Fri, 2022-06-17 at 09:15 -0500, Thomas Cameron wrote:
> On 6/17/22 06:59, Anil F Duggirala wrote:
> > Hello,
> > 
> > I have read part of the https://rpmfusion.org/Howto/NVIDIA guide to
> > know how to install proprietary drivers for my Nvidia card. My
> > laptop
> > comes with a regular Intel Graphics card alongside an Nvidia
> > Geforce
> > GTX 960M card. I am on Fedora 36, Gnome (Wayland).
> > I don't want to mess up my system, so I just want to ask; what is
> > the
> > simplest procedure install drivers for this card on my system?
> > 
> > When these drivers are installed, will I still be able to do
> > regular
> > work with my Intel card and launch specific applications (games)
> > with
> > the Nvidia card?
> > My card supports CUDA and Optimus.
> > 
> > Do I need to disable Secure Boot?
> > 
> > Note: I have already enabled the free and non-free RPM fusion
> > repositores. I know there is a specific rpmfusion Nvidia driver
> > repository, do I need that also?
> > 
> > 
> > 
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> 
> akmod-nvidia and xorg-x11-drv-nvidia-cuda should be all you need:
> 
> sudo dnf update -y # and reboot if you are not on the latest kernel
> sudo dnf install akmod-nvidia # rhel/centos users can use kmod-nvidia
> instead
> sudo dnf install xorg-x11-drv-nvidia-cuda #optional for
> cuda/nvdec/nvenc 
> support

IIRC I also had to blacklist the Nouveau driver. Don't know if that's
still necessary.

poc
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Re: Anyone use spf and dmarc and dkim?

2022-06-17 Thread Thomas Cameron

On 6/17/22 11:01, Stephen J. Turnbull wrote:

Thomas Cameron writes:

  > But then, when I do something like send email to this list, I suddenly
  > get a TON of error messages saying that the email failed spf tests
  > because it's coming from the server of the mailing list instead of my
  > email server. Is that normal?

I would guess the mail system is behaving correctly given your server
configuration.

Since you don't like what's happening, you probably have a
misconfiguration.  But exactly what the problem is, I don't know
because I don't know what you do want and you haven't provided any
configuration or even quoted the error message.

  > It's kind of frustrating. I added the ip address of the Fedora list
  > server to my spf record, but that seems really hackish.

And insecure.  Anybody can now spoof your mail by sending it through
the list's MTA.  (It wouldn't stand up under close examination, I
guess, but neither would most successful phishing mails.)

  > What do folks do to set up email with dmarc, spf, and so on?

Depends on what else your server is doing, how paranoid you are, and
several other things.

Your DNS TXT record says "v=spf1 a:you.com ip4:1.2.3.4 ip4:5.6.7.8 ~all".
Based on that and a wild guess, I think the issue is probably the "~all".
While the SPF RFC doesn't specify what receivers should do on matching
"~all" (aka softfail), and does say it's not sufficient to reject a
message, it does imply you're asking for feedback.  If you're not all
that paranoid, I suggest changing "~all" to "?all".  See
https://datatracker.ietf.org/doc/html/rfc7208#section-8.5 for details
(they're pretty gory if you're not a regular denizen of RFC-world).  I
can't guarantee that will reduce the error messages but it's the only
thing to try with information provided.  (You could also simply not
use SPF and rely entirely on DKIM which has fewer failure modes.)

The other WAG about the source of the error messages is that you
enabled the reporting feature for DMARC.  In that case I suggest you
shut it off. :-)

Your list posts should be well-enough protected by DKIM.  Your lists
can improve handling of your mail by implementing ARC, but of course
that's up to them, not you.  And it depends on ultimate receivers
supporting ARC, too, although most of the majors already do.
https://en.wikipedia.org/wiki/Authenticated_Received_Chain
https://datatracker.ietf.org/doc/html/rfc8617


Yeah, I changed it to soft fail (~all) instead of -all before. Also, to 
be clear, I only added the list server address for testing purposes. I 
wouldn't leave it that way. I was just trying to figure out why I was 
getting errors and how I could fix them.


But my point is, setting up spf works as expected. I've verified it via 
my emails to known correctly configured mail servers like GMail. What I 
don't understand is why, when it is apparently set up correctly, are 
there mail servers which throw errors when I send email through a 
mailing list. Is it a misconfiguration of the mailing list? Is it a 
misconfiguration of the receivers?


I mean, setting up spf isn't rocket science. There are tons of 
tutorials, and I am reasonably certain it's set up correctly since my 
emails come through with PASS ratings when I check them via e.g. GMail. 
Why are they failing when I send them through an email list server? What 
is the misconfiguration that you are saying I have?


--
Thanks
Thomas
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Re: Anyone use spf and dmarc and dkim?

2022-06-17 Thread Mark C. Allman via users

On 6/17/22 10:56, Thomas Cameron wrote:


I have set up spf, dmarc, and dkim for my email domain. It *seems* to 
work well. I tested it by sending an email to my GMail account. When I 
look at the headers of the email, GMail says that it passes all three 
tests:



ARC-Authentication-Results: i=1; mx.google.com;
   dkim=pass header.i=@camerontech.com header.s=default 
header.b=My0caSvG;
   spf=pass (google.com: best guess record for domain of 
thomas.came...@camerontech.com designates 3.138.45.83 as permitted 
sender) smtp.mailfrom=thomas.came...@camerontech.com;

   dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=camerontech.com



But then, when I do something like send email to this list, I suddenly 
get a TON of error messages saying that the email failed spf tests 
because it's coming from the server of the mailing list instead of my 
email server. Is that normal? It's kind of frustrating. I added the ip 
address of the Fedora list server to my spf record, but that seems 
really hackish.


What do folks do to set up email with dmarc, spf, and so on?

Thomas


___



I have spf, dmarc, etc., set up. I don't recall what happens when I post 
to the list, so I'll reply now and see. I'll follow up here if I also 
get failure notifications. It doesn't sound familiar.


-- Mark

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Anyone use spf and dmarc and dkim?

2022-06-17 Thread Stephen J. Turnbull
Thomas Cameron writes:

 > But then, when I do something like send email to this list, I suddenly 
 > get a TON of error messages saying that the email failed spf tests 
 > because it's coming from the server of the mailing list instead of my 
 > email server. Is that normal?

I would guess the mail system is behaving correctly given your server
configuration.

Since you don't like what's happening, you probably have a
misconfiguration.  But exactly what the problem is, I don't know
because I don't know what you do want and you haven't provided any
configuration or even quoted the error message.

 > It's kind of frustrating. I added the ip address of the Fedora list
 > server to my spf record, but that seems really hackish.

And insecure.  Anybody can now spoof your mail by sending it through
the list's MTA.  (It wouldn't stand up under close examination, I
guess, but neither would most successful phishing mails.)

 > What do folks do to set up email with dmarc, spf, and so on?

Depends on what else your server is doing, how paranoid you are, and
several other things.

Your DNS TXT record says "v=spf1 a:you.com ip4:1.2.3.4 ip4:5.6.7.8 ~all".
Based on that and a wild guess, I think the issue is probably the "~all".
While the SPF RFC doesn't specify what receivers should do on matching
"~all" (aka softfail), and does say it's not sufficient to reject a
message, it does imply you're asking for feedback.  If you're not all
that paranoid, I suggest changing "~all" to "?all".  See
https://datatracker.ietf.org/doc/html/rfc7208#section-8.5 for details
(they're pretty gory if you're not a regular denizen of RFC-world).  I
can't guarantee that will reduce the error messages but it's the only
thing to try with information provided.  (You could also simply not
use SPF and rely entirely on DKIM which has fewer failure modes.)

The other WAG about the source of the error messages is that you
enabled the reporting feature for DMARC.  In that case I suggest you
shut it off. :-)

Your list posts should be well-enough protected by DKIM.  Your lists
can improve handling of your mail by implementing ARC, but of course
that's up to them, not you.  And it depends on ultimate receivers
supporting ARC, too, although most of the majors already do.
https://en.wikipedia.org/wiki/Authenticated_Received_Chain
https://datatracker.ietf.org/doc/html/rfc8617

Steve
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Anyone use spf and dmarc and dkim?

2022-06-17 Thread Thomas Cameron
I have set up spf, dmarc, and dkim for my email domain. It *seems* to 
work well. I tested it by sending an email to my GMail account. When I 
look at the headers of the email, GMail says that it passes all three tests:



ARC-Authentication-Results: i=1; mx.google.com;
   dkim=pass header.i=@camerontech.com header.s=default 
header.b=My0caSvG;
   spf=pass (google.com: best guess record for domain of 
thomas.came...@camerontech.com designates 3.138.45.83 as permitted 
sender) smtp.mailfrom=thomas.came...@camerontech.com;

   dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=camerontech.com



But then, when I do something like send email to this list, I suddenly 
get a TON of error messages saying that the email failed spf tests 
because it's coming from the server of the mailing list instead of my 
email server. Is that normal? It's kind of frustrating. I added the ip 
address of the Fedora list server to my spf record, but that seems 
really hackish.


What do folks do to set up email with dmarc, spf, and so on?

Thomas
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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Thomas Cameron

On 6/17/22 06:59, Anil F Duggirala wrote:

Hello,

I have read part of the https://rpmfusion.org/Howto/NVIDIA guide to
know how to install proprietary drivers for my Nvidia card. My laptop
comes with a regular Intel Graphics card alongside an Nvidia Geforce
GTX 960M card. I am on Fedora 36, Gnome (Wayland).
I don't want to mess up my system, so I just want to ask; what is the
simplest procedure install drivers for this card on my system?

When these drivers are installed, will I still be able to do regular
work with my Intel card and launch specific applications (games) with
the Nvidia card?
My card supports CUDA and Optimus.

Do I need to disable Secure Boot?

Note: I have already enabled the free and non-free RPM fusion
repositores. I know there is a specific rpmfusion Nvidia driver
repository, do I need that also?



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akmod-nvidia and xorg-x11-drv-nvidia-cuda should be all you need:

sudo dnf update -y # and reboot if you are not on the latest kernel
sudo dnf install akmod-nvidia # rhel/centos users can use kmod-nvidia 
instead
sudo dnf install xorg-x11-drv-nvidia-cuda #optional for cuda/nvdec/nvenc 
support


Thomas
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Re: What package do I need to install for my Nvidia card

2022-06-17 Thread Neal Becker
On Fri, Jun 17, 2022 at 8:00 AM Anil F Duggirala 
wrote:

> Hello,
>
> I have read part of the https://rpmfusion.org/Howto/NVIDIA guide to
> know how to install proprietary drivers for my Nvidia card. My laptop
> comes with a regular Intel Graphics card alongside an Nvidia Geforce
> GTX 960M card. I am on Fedora 36, Gnome (Wayland).
> I don't want to mess up my system, so I just want to ask; what is the
> simplest procedure install drivers for this card on my system?
>
> When these drivers are installed, will I still be able to do regular
> work with my Intel card and launch specific applications (games) with
> the Nvidia card?
> My card supports CUDA and Optimus.
>
> Do I need to disable Secure Boot?
>
> Note: I have already enabled the free and non-free RPM fusion
> repositores. I know there is a specific rpmfusion Nvidia driver
> repository, do I need that also?
>
> Do not reply to spam on the list, report it:
> https://pagure.io/fedora-infrastructure
>

This should work:
http://rpmfusion.org/Howto/NVIDIA
-- 
*Those who don't understand recursion are doomed to repeat it*
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What package do I need to install for my Nvidia card

2022-06-17 Thread Anil F Duggirala
Hello,

I have read part of the https://rpmfusion.org/Howto/NVIDIA guide to
know how to install proprietary drivers for my Nvidia card. My laptop
comes with a regular Intel Graphics card alongside an Nvidia Geforce
GTX 960M card. I am on Fedora 36, Gnome (Wayland).
I don't want to mess up my system, so I just want to ask; what is the
simplest procedure install drivers for this card on my system?

When these drivers are installed, will I still be able to do regular
work with my Intel card and launch specific applications (games) with
the Nvidia card?
My card supports CUDA and Optimus.

Do I need to disable Secure Boot?

Note: I have already enabled the free and non-free RPM fusion
repositores. I know there is a specific rpmfusion Nvidia driver
repository, do I need that also?



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