e. I like having my own server and managing the install from
the operating system up, so maybe I just have to live with some spam filtering
of our outgoing email.
> On May 10, 2025, at 2:29 PM, Wietse Venema via Postfix-users
> wrote:
>
> Matus UHLAR - fantomas via Postfix-use
main.cf DKIM still appears to work properly. So, looks like I
probably broke it back in January. Gack ... apparently I didn't test that
revision correctly and it was rewriting incoming email headers.
-Ken
> On May 10, 2025, at 1:06 PM, Scott Kitterman via Postfix-users
> wrote:
>
! The users on this mailing list are amazing!
-Ken
> On May 9, 2025, at 11:07 PM, Nick Tait via Postfix-users
> wrote:
>
> On 10/05/2025 15:29, Nick Tait via Postfix-users wrote:
>> But of course if the first scenario still exhibits the issue, then that
>> probably dis
HI Nick,
I had cut and pasted from the "Raw Source" view in mac Mail, but double checked
in the spool file and those are the headers received in that order.
Thanks,
Ken
> On May 9, 2025, at 7:27 PM, Nick Tait via Postfix-users
> wrote:
>
> On 10/05/2025 08:23, Ken B
mTJQNnCAh2X3KPAs=
X-Google-Smtp-Source:
AGHT+IGAamzv1VvdNNZXR2EypMCRMPHH+GFG1sv13gQi4bJLtuQ99V4zbyPEnqiqrI9nEnPQzHO8/Ci1akFkAo1tItc=
X-Received: by 2002:ad4:4eaf:0:b0:6d4:dae:6250 with SMTP id
6a1803df08f44-6f6e4831507mr78781396d6.34.1746821485574; Fri, 09 May 2025
13:11:25 -0700 (PDT)
From: Ken Bi
Hi Benny,
Yes, our outgoing emails are signed and validate properly. The incoming email
DKIM signature validation is our current issue.
Thanks,
Ken
> On May 9, 2025, at 10:17 AM, Benny Pedersen via Postfix-users
> wrote:
>
> Matus UHLAR - fantomas via Postfix-users skrev den 2
> If OP uses content filter in front of the mailserver, changing spam filtering
> will not fix the issue.
>
> Dan has already recommended checking DKIM in SpamAssassin to see if it helps.
>
>> On Fri, 9 May 2025, 09:30 Matus UHLAR - fantomas via Postfix-users, <
>> pos
Looking at the maillog, I notice policyd-spf is running before opendkim. Could
that be modifying the email before dkim validation?
> On May 9, 2025, at 8:04 AM, Ken Biggs via Postfix-users
> wrote:
>
> I'm running spamass-milter.
> /etc/mail/spamassassin/v312.pre al
You will want the domain certificate first, then the certificate authority
bundle in a pem file.
> On May 8, 2025, at 6:08 PM, Dan Mahoney via Postfix-users
> wrote:
>
> There’s only one certificate in your chain, you need to send the intermediate
> cert as well.
>
> The cert you’re signing
OpenDKIM is failing signature verification on most incoming emails. Out of
1,146 incoming emails, 173 have been successfully verified and 973 have "bad
signature data". The failing emails include email from google, amazon,
sailthru, and many other reasonably technically capable firms that I w
or OD):-
smtpd: send attr table = unix:passwd.byname
smtpd: send attr flags = 524352
smtpd: send attr key = ken
smtpd: private/proxymap socket: wanted attribute: status
smtpd: input attribute name: status
smtpd: input attribute value: 0
smtpd: private/proxymap socket: wanted attribute: value
smtpd:
> On Tue 29 Oct 2024, at 14:38, Viktor Dukhovni via Postfix-users
> wrote:
>
> On Tue, Oct 29, 2024 at 01:35:54PM +, Ken Gillett via Postfix-users wrote:
>
> …
>> However I am still puzzled that after the latter is not found in
>> virtual_users, the address
uring this protracted thread. 'Nuff said. End of. And in Wietse's own
words "over and out".
Again, I thank you all for the help, but this topic is I think done.
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Tue 29 Oct 2024, at 15:00, John Stoffel via Postfix-users
> wrot
The problem appears to be that when it fails to find anything for
k...@macserve.home, postfix splits the address into ken and @macserve.home
(after getting that from mydestination).
It then runs ken against unix:passwd.byname and gets a result:-
> dict_proxy_lookup: table=unix:passwd.byn
So nothing is written to the log
file. Instead it has to be accessed via the command-line 'log' utility. I'm
wondering if that is not getting the additional info your changes have made.
I have no idea how Apple have done this, so no clue as to how I can circumvent
it.
Maybe Vikt
nd improve postfix operation for me in
the meantime. However, natural curiosity and desire to know more has meant
spending far more time on this than intended, but I would still like to find
the solution.
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Tue 29 Oct 2024, at 03:52, Peter via
a clean install on a *nix replacement server.
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Mon 28 Oct 2024, at 19:00, Wietse Venema via Postfix-users
> wrote:
>
> Ken Gillett via Postfix-users:
>> Does 'postconf daemon_directory' simply return info from the
>> m
mand-line 'mail', it is snatched up by the unix mail
system and delivered direct to that account's mailbox, same as for mail
addressed to 'user' and when sent from any other host on the LAN, it is
rejected by MacServe.
I'm thinking ahead to new postfix install NOT
ke for a Server, so I think that is what is actually running and
that is the Server version of master.
So I don't think anything is mixed. Everything is the Server version of postfix
- albeit a bit old.
Which still leaves the question of why emails to user@myhostname are rejected.
☹️
Ke
Yes, the login account shortname is simply 'ken'.
Case makes no difference and shouldn't. Anyway I've tried it all every which
way, so e.g. ken@Home, ken@HoMe etc all work fine. Any address using any case
variation of myhostname does not.
BTW, hostname returns MacServe.
> On Mon 28 Oct 2024, at 03:26, Viktor Dukhovni via Postfix-users
> wrote:
>
> On Sun, Oct 27, 2024 at 12:55:17PM +, Ken Gillett via Postfix-users wrote:
>
>> …
>
> And what is in your alias table, please report the output of:
>
>$ id ken
uid=xxx(k
to the std. install and try and ignore all the Server special versions.
That has long been my intention, but I just didn't want to do it yet. However
the mail loop that was flooding the network required action and that has now
ceased. So no longer such a priority.
Ken
d tried to send mail to ken@home which still
worked perfectly, while ken@hoome failed:-
Host or domain name not found. Name service error
for name=MacServe.hoome type=: Host not found
So as far as I can tell from that, postfix is NOT using what is in main.cf - at
least not this changed
it.
I simply cannot think of any configuration that would affect one and not the
other. But then I'm no postfix expert.
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Sun 27 Oct 2024, at 17:38, Wietse Venema via Postfix-users
> wrote:
>
> Ken Gillett via Postfix-users:
>> Post
il to :-
ken@home - works
k...@macserve.home - fails with the above error
I have an account on the Mac server, but I am not listed in /etc/passwd as
MacOSX is using Open Directory. However, if that is the issue, how is email to
ken@home working ok. Is that not going to require the
Postfix, but I can't find them in either main.cf or master.cf. Can
anyone offer any insights?
Ken Wright
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Scratch this: I've spotted my typo
Thanks
Ken
Ken Smith via Postfix-users wrote:
Hi All,
I'm sure I'm missing some subtle point in the documentation but could
someone kindly clarify for me. This is postfix 3.5.8 on a Rocky Linux
system. Delivery is by lmtp to cyrus-imap on
e I'm missing some subtle point here and would
appreciate a steer.
Thanks
Ken
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the LAN and it arrives in the appropriate dovecot mailbox that I then access
with IMAP, which is EXACTLY what I was trying to achieve.
Thank you for all your help, my local email is now how I want it.
Next step will be moving to FreeBSD, but won't be for a while yet.
Thanks again.
Ken
acOSX Server. So I will change the PATH order and see
if that makes any difference.
Any repetition here is because I'm not sure if previous emails reached the
list. External email issues have required me to change the email address I'm
using to avoid any future problems.
Ken G i l l e
> On Tue, Jul 11, 2023 at 09:11:25AM +0100, Ken Gillett via Postfix-users wrote:
> > Anyway, using @home is acceptable and works from both the Mac Pro and
> > a debian linux machine (and probably others) on the LAN.
>
> These arrive to the "server" Postfix instan
> On Tue, Jul 11, 2023 at 09:11:25AM +0100, Ken Gillett via Postfix-users wrote:
> > Postfix has been installed on the Mini for several years and I can
> > send a message from e.g MacOS Mail.app on my Mac Pro to user@home and
> > receive it in that account (also configured
s why postfix is trying to lookup 'home'. It is
configured to accept mail in the 'home' domain and happily does so from any
other host on the LAN, but why not on the Mini that's actually running postfix?
Sugg
using MacOS(X) for this, I just want to keep this running until
then.
Hopefully you'll be able to help with the actual problem which I will post
separately.
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Mon 10 Jul 2023, at 18:43, Bill Cole via Postfix-users
> wrote:
>
> On
s for something that is supposed to be
supplying the exact config information being used.
A symlink in the appropriate place should ensure I get the correct info from
now on.
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Mon 10 Jul 2023, at 16:56, Ken Gillett via Postfix-users
> wrote:
es not list the relayhost parameter and postconf -p
shows it as still being unset.
So there is some disconnect between what is apparently the main.cf being used
and the information being produced by postconf.
I'll keep looking, but any suggestions?
Ken G i l l e t t
_/_/_/_/_/_/_/_/
files account for that? Surely, they would both
talk to the same running process to get the required info?
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Mon 10 Jul 2023, at 14:02, Wietse Venema via Postfix-users
> wrote:
>
> "postconf -d config_directory" shows where the p
tual problem I am trying to resolve and
keep this just about configuration source.
Ken G i l l e t t
_/_/_/_/_/_/_/_/
> On Mon 10 Jul 2023, at 14:25, Bill Cole via Postfix-users
> wrote:
>
> On 2023-07-10 at 05:34:44 UTC-0400 (Mon, 10 Jul 2023 10:34:44 +0100)
> Ken Gille
specific to my network.
It is almost as if the configuration being used is an amalgam of main.cf in the
above directory and also from /etc/postfix, but I don't believe postfix does
that sort of thing.
As I said, many years since I last played with postfix and could do
If the MX hostname has only IPv6 resolved,
does it have problems in mail functions?
Thanks.
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May 6, 2023 at 8:14 PM, "Ralph Seichter via Postfix-users"
wrote:
>
> * Corey Hickman via Postfix-users:
>
> >
> > Some clients abuse the outgoing smtp server for sending bulk messages.
> > [...] Do you know how to stop this behavior?
> >
>
> There is 'default_destination_recipient_limit'
> >
>
> Because TLS/SSL things are very complex, you have to show us real
> settings all. Like me: (yw-0919: inbound, yw-1204: outbound)
> [1] https://gitlab.com/soyeomul/Gnus/-/raw/master/DKIM/smtp-conf.yw-0919
> [2] https://gitlab.com/soyeomul/Gnus/-/raw/master/DKIM/smtp-conf.yw-1204
>
And P
spacemail.com txt +nocmd +noall +answer
spacemail.com. 47 IN CNAME
spacemail.com.cdn.cloudflare.net.
How does it get mail then? incoming mail was handled by
spacemail.com.cdn.cloudflare.net?
Thanks
Ken Peng
___
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Please contact Dennis:
dennis baaten.com
regards
>
> Hello,
>
> is Baknu, the author of https://github.com/baknu/DANE-for-SMTP around here?
> Or does someone know her/his personal email address and can forward this
> message as I´d like to get in contact?
> Thanks,
>
> Joachim
>
--
https:
lock backscatter is by using the
> > > backscatter DNSRBL. Make sure you follow the instructions for setting it
> > > up properly:
> > >
> > > https://www.backscatterer.org/?target=usage
> > >
> > > If used correctly it will only bl
May 3, 2023 at 1:43 PM, "Peter via Postfix-users"
wrote:
>
> On 28/04/23 03:59, Sebastian Wiesinger via Postfix-users wrote:
>
> >
> > Hi everyone,
> > I'm not sure if I'm missing something but I can't find out why my
> > body_checks doesn't catch all the backscatter I'm getting right now.
Since mx1 and mx2 have the same IPs included,
it's a waste to postfix's chosen space for IP addresses. For example, the 5 MX
IPs could have 2 duplicates.
So I am not sure why apple has this wasted setup.
Thank you.
>
> Ken Peng via Postfix-users:
>
> >
> > H
17.57.155.34
mx02.mail.icloud.com. 300 IN A 17.57.156.30
What's the advantage for this settings? Thanks.
regards
Ken Peng
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May 2, 2023 at 4:42 PM, "pripercat--- via Postfix-users"
wrote:
>
> Hi, my hosting Njal.la don't permit send email from my postfix server port
> number 25 to prevent spam.
>
> But they say that i can use this setup
> https://njal.la/docs/postfix-smarthost/
>
> with;
> relayhost = [emailserve
This is typical networking issues.
Nothing about postfix.
Regards
>
> So I have a bizarre problem. I can't send e-mail to some servers but I can to
> others. The e-mail that doesn't get sent is due to the connection timing out
> to the remote server.
>
> Another strange problem is that some
:
1. postscreen_dnsbl_sites where sites should also specify a negative value for
matching the threshold, right?
2. I am using postfix 3.6.4. if I continue with the old parameter
postscreen_dnsbl_whitelist_threshold, what will happen?
Thanks.
Ken Peng
> >
> > When I create a raw socket to the receiving e-mail server, I can send and
> > receive commands to it just fine.
> >
> >
Are you sure there is no net filters or ISP blocking issues? they block
external port 25, other ports like 587/465 may have no problem.
regards.
April 29, 2023 at 6:40 PM, "Kolusion K via Postfix-users"
wrote:
>
> Hello
>
>
>
>
>
> I am having a painful experience with Postfix and I hope that someone can
> help me.
>
>
>
> I am trying to send an e-mail, but the receving e-mail server is timing out,
> as per Postfix's mail
_action = enforce
Thanks.
>
> On Sat, 29 Apr 2023, Ken Peng via Postfix-users wrote:
>
> >
> > Hello
> >
> > When I enabled postscreen, why even gmail's sender IP was greylisted?
> >
>
> Did you expect or configure to deal with gmail dif
force
Thank you
Ken
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April 28, 2023 at 1:02 AM, "Phil Stracchino via Postfix-users"
wrote:
>
> On 4/27/23 04:47, Ralph Seichter via Postfix-users wrote:
>
> >
> > * Ken Peng via Postfix-users:
> > Using rspamd instead of postscreen?
> > I'm not quite sure what
April 29, 2023 at 12:38 AM, "Jaroslaw Rafa via Postfix-users"
wrote:
>
> Dnia 28.04.2023 o godz. 15:59:53 Gerd Hoerst via Postfix-users pisze:
>
> >
> > question 1st : is it a good idea to reject any email which is not
> > sent from a domain (means sen...@domain.tld) any other like
> > se
Do you know any plugins for scoring a domain?
For example, new registered domain, free domain get the low scores.
Thanks.
--
https://kenpeng.pages.dev/
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Using rspamd instead of postscreen?
>
> Dear All,
>
> I am building a new server where I would like to build the best spam filter
> possible :)
> I am checking postscreen these days. I am planning to turn on the "deep
> tests" as well, but it seems to be really scary to me :)
>
> In the doc th
Hello
Can the domain certificates sign its sub domain?
For example, mail.a.com was signed by certs of a.com.
If so, does this make sense to DMRC of mail.a.com?
Thanks.
--
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er IP as well?
Thanks
--
Ken Peng
https://kenpeng.pages.dev/
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got your points which I totally agree with.
--
Ken Peng
https://kenpeng.pages.dev/
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On 2023-04-06 19:07, Jaroslaw Rafa via Postfix-users wrote:
I just now learned about the UTF8 thing, I would never think of using
non-ASCII characters in host/domain names :)
You can dig the UTF8 hostname, they are valid for query.
$ dig 腾讯.公司 ns +short
ns1.brandcloudns.com.
ns2.brandcloudns
On 2023-04-06 09:32, Sean Gallagher via Postfix-users wrote:
From reading the code, these two restrictions seem equivalent except
when SMTPUTF8 extension is used.
when the SMTPUTF8 is in play, reject_non_fqdn_helo_hostname will
convert a hostname containing UTF to an internationalized domain nam
Your ISP may have netfilters which just block google IP.
Sincerely,
Ken Young
On Mon, Mar 6, 2023 at 7:11 PM Di Battista Francesco
wrote:
> Hi all,
> I have configured a new postfix server.
> It works fine, but I can't receive mail only from gmail.
>
> When I send email
>From my experience, outlook always marks the domains they don't know as
spam.
anyway you should have mail-tester to mark your sender scores as high as
possible (10 is the best).
On Wed, Mar 1, 2023 at 7:11 PM Fourhundred Thecat <400the...@gmx.ch> wrote:
> Hello,
>
> (not strictly postfix specifi
Wietse Venema wrote:
Ken Smith:
Wietse Venema wrote:
{snip}
But senders are not getting DSN's
Why should Postfix send those?
- What delivery status notifications did a remote SMTP client
request in the RCPT TO command?
- What delivery status notifications did a local user request
-line option?
Wietse
Incoming message included :-
Disposition-Notification-To: {smtp-address}
Shouldn't that trigger a DSN response?
:-) Ken
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Wietse Venema wrote:
Ken Smith:
Hi, first post to this list but long term Linux user here.
I have Postfix configured for virtual domains and delivery to cyrus-imap
via LMTP over IP. All is working well besides one detail.
It seems that when senders request a DSN they do not get any response
ngs should be the same default as
smtp_delivery_status_filter.
Could someone more enlightened shine some light of what I may be missing.
Many thanks
Ken
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ked, and
those libsasl packages are installed.
Thanks for trying, though. At this point I need all the help I can
get!
Ken
fix postfix 0 Jan 4 15:31
> /var/spool/postfix/private/auth
Here's what I got:
kwright@grace:/etc/dovecot/conf.d$ sudo ls -la
/var/spool/postfix/private/auth
srw-rw 1 postfix postfix 0 Jan 4 19:09
/var/spool/postfix/private/auth
so the socket is there, with read and write permissions for the postfix
user and group.
Ken
y passdb driver is sql. Could that be the
problem?
> There are many other possibilities. Perhaps, instead of doing all
> the integration work yourself, you may be better off with a "turnkey"
> email server such as <https://mailinabox.email>?
If I don't do the work, how will I learn?
Ken
On Tue, 2022-01-04 at 20:49 -0500, Viktor Dukhovni wrote:
> On Tue, Jan 04, 2022 at 07:20:43PM -0500, Ken Wright wrote:
>
> > My Postfix woes continue. Now I'm getting this error message:
> >
> > Jan 4 19:08:47 grace postfix/smtps/smtpd[17286]: fatal: no SASL
On Tue, 2022-01-04 at 07:30 -0500, Wietse Venema wrote:
> Ken Wright:
> > Okay, I ran sudo postfix set-permissions. It ran with no trouble
> > whatsoever; no errors, warnings, nothing. Still getting the exact
> > same messages in mail.log.
>
> Then your file sys
My Postfix woes continue. Now I'm getting this error message:
Jan 4 19:08:47 grace postfix/smtps/smtpd[17286]: fatal: no SASL
authentication mechanisms
This is starting to get old.
Ken
On Tue, 2022-01-04 at 15:32 +1100, raf wrote:
> On Mon, Jan 03, 2022 at 07:22:24PM -0500, Ken Wright
> wrote:
>
> > On Tue, 2022-01-04 at 08:32 +1100, raf wrote:
> > > Actually, if you are still getting
> > > "/usr/lib/postfix/sbin/0: No such file
On Mon, 2022-01-03 at 20:50 -0500, Viktor Dukhovni wrote:
> On Mon, Jan 03, 2022 at 08:02:20PM -0500, Ken Wright wrote:
>
> > $ sudo chmod g+s /usr/sbin/postdrop
> > $ ls -la /usr/sbin/postdrop
> > -r-xr-sr-x 1 postfix postdrop 22808 Sep 7 02:58 /usr/sbin/postdrop
> &g
On Mon, 2022-01-03 at 19:45 -0500, Wietse Venema wrote:
> Ken Wright:
> > On Tue, 2022-01-04 at 08:32 +1100, raf wrote:
> > > Actually, if you are still getting
> > > "/usr/lib/postfix/sbin/0: No such file or directory"
> > > messages (with new tim
e maildrop/896893.138176: Permission denied
though.
Ken
On Mon, 2022-01-03 at 14:50 +1100, raf wrote:
> On Sun, Jan 02, 2022 at 09:32:53PM -0500, Ken Wright
> wrote:
>
> > Just checked my mail logs. Do any of these help anyone?
> >
> > kwright:~$ tail /var/log/mail.log
> > [...]
> > kwright:~$ tail /var/log/ma
On Sun, 2022-01-02 at 21:59 -0500, Wietse Venema wrote:
> Ken Wright:
> > On Sun, 2022-01-02 at 19:40 -0500, Wietse Venema wrote:
> > > Sorry, I mis-typed 'postqueue'.
> > >
> > > Try this instead.
> > >
> > > Here is what happens o
Just checked my mail logs. Do any of these help anyone?
kwright:~$ tail /var/log/mail.log
Jan 2 21:23:31 grace postfix/postdrop[58322]: warning:
mail_queue_enter: create file maildrop/914822.58322: Permission denied
Jan 2 21:23:31 grace postfix/postdrop[55910]: warning:
mail_queue_enter: create
lower case "denied" rather than
> upper case "DENIED" like AppArmor does, so check for that
> as well. But you'd probably know if selinux was active.
I disabled AppArmor a few hours ago and I still can't get to my email.
Ken
r-sr-x 1 root postdrop 60072 Dec 23 18:08 /usr/sbin/postqueue
-r-xr-sr-x 1 root postdrop 22760 Sep 7 02:58 /usr/sbin/postqueue
Are those missing write permissions the cause of my problems?
Ken
> # ls -l /usr/sbin/postdrop
> -rwxr-sr-x 1 root postdrop 44472 Dec 23 18:08 /usr/sbin/postdrop
-r-xr-sr-x 1 root postdrop 22808 Sep 7 02:58 /usr/sbin/postdrop
I hope this makes sense to you. I can see permission differences, but
I don't know if they're responsible.
Ken
On Sun, 2022-01-02 at 17:30 -0500, Wietse Venema wrote:
> Ken Wright:
> > On Sun, 2022-01-02 at 16:01 -0500, Wietse Venema wrote:
> > > Does it also fail when run as root? In that case,
> > >
> > > ??? # strace -e connect postqueue -p |&grep showq
> &
tory)
connect(4, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) =
-1 ENOENT (No such file or directory)
connect(4, {sa_family=AF_UNIX, sun_path="public/showq"}, 110) = 0
What permissions and ownership should I set for the /var/run/nscd
directory?
Ken
On Sun, 2022-01-02 at 11:16 -0500, Wietse Venema wrote:
> Ken Wright:
> > On Sat, 2022-01-01 at 18:50 -0500, Wietse Venema wrote:
> > > Ken Wright:
> > > >
> > > > I did a quick Google search, and ran sudo apparmor_status.
> > > > There
On Sat, 2022-01-01 at 18:50 -0500, Wietse Venema wrote:
> Ken Wright:
> >
> > I did a quick Google search, and ran sudo apparmor_status. There
> > don't appear to be any postfix-related programs listed.
>
> Then that leaves the cron related profiles.
None of those either.
On Sat, 2022-01-01 at 16:22 -0500, Wietse Venema wrote:
> Ken Wright:
> > > Is the postqueue command subject to AppArmor reduced
> > > privileges?
> > > The postqueue command will log EACES (Permission denied)
> > > errors,
> > > but when AppAr
On Sat, 2022-01-01 at 13:35 -0500, Wietse Venema wrote:
> Ken Wright:
>
> - Does the socket /var/spool/postfix/public/showq exist? It
> should look like this:
>
> srw-rw-rw- 1 postfix postfix 0 Dec 17 18:13
> /var/spool/postfix/public/showq
Looks just like this,
me?
System details: Ubuntu Server 20.04.3, Postfix 3.4.13, Dovecot
2.3.7.2. Further details available on request.
Ken
I found their forwarding policy is somewhat strange.
They changed the "to:" header address in the forwarded email to the
destination address.
For example, u...@foo.com writes to t...@5x2.de, this mail will be
forwarded to d...@gmail.com
When gmail receives this email, the "to:" header is d...@gmail
You can try this tool which will tell you how your email looks like spam.
https://www.mail-tester.com/
Regards.
On Wed, Sep 15, 2021 at 6:13 PM Jean-François Bachelet
wrote:
> Hello ^^)
>
>
> Well, I've tried to test my server setup (postfix++Spamassassin++) with
> an official Gtube test mail
If my email provider has taken your policy, I will be denied by them since
I always was using the VPN to access the internet.
Almost every well known VPN (pureVPN, keepsolid etc) has a large range of
IPs for their users, and these IPs are in different countries.
regards.
On Tue, Sep 14, 2021 at 3
gt; Experts,
>>
>> I met a strange issue about DMARC validation at google groups.
>> Since it requires some pics to make a more clear statement, I wrote the
>> question on blog:
>> https://blog.hoxblue.com/why-this-dmarc-pass-by-google
>>
>> Can you hel
Experts,
I met a strange issue about DMARC validation at google groups.
Since it requires some pics to make a more clear statement, I wrote the
question on blog:
https://blog.hoxblue.com/why-this-dmarc-pass-by-google/
Can you help to explain my question? Thank you very much.
regards.
Ken
Raf
Thank you for providing the details.
That make things clear.
Regards.
On 2021/8/16 6:26 下午, raf wrote:
On Mon, Aug 16, 2021 at 05:21:15PM +0800, Ken N wrote:
I was reading this blog posting:
https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/
But I am confused
I was reading this blog posting:
https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/
But I am confused that, what content should DKIM signature for?
The message body or headers? what headers should be signed?
Thank you.
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