zen.spamhaus.org should be used as authbl, but not pbl 127.0.0.10
and 127.0.0.11
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I'll fix this
thanks
--john
On 5/28/24 10:15 PM, John Hill via Postfix-users wrote:
On 5/28/24 10:11 PM, Viktor Dukhovni via Postfix-users wrote:
On Wed, May 29, 2024 at 11:58:31AM +1000, Viktor Dukhovni via
Postfix-users wrote:
You might in fact want to reject XBL IPs early, before they even
attempt authentication
eject
All set up this way.
I will let it run overnight and see what hits.
Thank you
--john
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On 5/28/24 9:58 PM, Viktor Dukhovni via Postfix-users wrote:
On Tue, May 28, 2024 at 09:32:29PM -0400, John Hill via Postfix-users wrote:
On 5/28/24 9:23 PM, Viktor Dukhovni via Postfix-users wrote:
-o { smtpd_recipient_restrictions =
reject_rbl_client zen.spamhaus.org
close to this.
I will use it.
Question as I use zen 127.0.0.[2..11] on port 25
I have only 10 users that should have access to port 587.
Why not us zen 127.0.0.[2..11] there as well?
Thanks
--john
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On 29/05/2024 02:18, John Hill via Postfix-users wrote:
On 5/28/24 8:10 PM, John Hill via Postfix-users wrote:
On 5/28/24 8:00 PM, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 19:18:10 UTC-0400 (Tue, 28 May 2024 19:18:10 -0400)
John Hill via Postfix-users
is rumored to have said
On 29/05/2024 01:11, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 18:50:11 UTC-0400 (Wed, 29 May 2024 00:50:11 +0200)
John Fawcett via Postfix-users
is rumored to have said:
[...]
Hi John
I think you are missing the following in master.cf for the submission
service
-o
On 5/28/24 8:10 PM, John Hill via Postfix-users wrote:
On 5/28/24 8:00 PM, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 19:18:10 UTC-0400 (Tue, 28 May 2024 19:18:10 -0400)
John Hill via Postfix-users
is rumored to have said:
[...
On 5/28/24 7:13 PM, Bill Cole via Postfix-users wrote
On 5/28/24 8:00 PM, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 19:18:10 UTC-0400 (Tue, 28 May 2024 19:18:10 -0400)
John Hill via Postfix-users
is rumored to have said:
[...
On 5/28/24 7:13 PM, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 19:04:37 UTC-0400 (Tue, 28 May 2024
On 5/28/24 7:18 PM, John Hill via Postfix-users wrote:
On 5/28/24 7:13 PM, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 19:04:37 UTC-0400 (Tue, 28 May 2024 19:04:37 -0400)
John Hill via Postfix-users
is rumored to have said:
On 5/28/24 6:54 PM, Bill Cole via Postfix-users wrote:
-o
On 5/28/24 7:13 PM, Bill Cole via Postfix-users wrote:
On 2024-05-28 at 19:04:37 UTC-0400 (Tue, 28 May 2024 19:04:37 -0400)
John Hill via Postfix-users
is rumored to have said:
On 5/28/24 6:54 PM, Bill Cole via Postfix-users wrote:
-o { smtpd_client_restrictions=permit_mynetworks
On 5/28/24 6:54 PM, Bill Cole via Postfix-users wrote:
-o { smtpd_client_restrictions=permit_mynetworks,reject_rbl_client
xbl.spamhaus,org=127.0.0.4,permit_sasl_authenticated,reject }
tried to rspond
Sending of the message failed.
An error occurred while sending mail. The mail server
On 29/05/2024 00:27, John Hill via Postfix-users wrote:
On 5/28/24 4:50 PM, John Hill via Postfix-users wrote:
On 5/28/24 4:43 PM, Benny Pedersen via Postfix-users wrote:
John Hill via Postfix-users skrev den 2024-05-28 22:12:
On 5/28/24 3:38 PM, Benny Pedersen via Postfix-users wrote
On 5/28/24 4:50 PM, John Hill via Postfix-users wrote:
On 5/28/24 4:43 PM, Benny Pedersen via Postfix-users wrote:
John Hill via Postfix-users skrev den 2024-05-28 22:12:
On 5/28/24 3:38 PM, Benny Pedersen via Postfix-users wrote:
John Hill via Postfix-users skrev den 2024-05-28 21:14:
I
On 5/28/24 4:43 PM, Benny Pedersen via Postfix-users wrote:
John Hill via Postfix-users skrev den 2024-05-28 22:12:
On 5/28/24 3:38 PM, Benny Pedersen via Postfix-users wrote:
John Hill via Postfix-users skrev den 2024-05-28 21:14:
I had dumped the configs but here is what I had
On 5/28/24 3:38 PM, Benny Pedersen via Postfix-users wrote:
John Hill via Postfix-users skrev den 2024-05-28 21:14:
I had dumped the configs but here is what I had.
submission inet n - y - - smtpd
-o smtpd_tls_security_level=encrypt
-o
On 5/28/24 11:48 AM, Wietse Venema via Postfix-users wrote:
postconf -Mf submission/inet".
May 28 10:51:07 proteus.noach.com postfix/submission/smtpd[57120]:
warning: malformed map specification: '{ reject_rbl_client
xbl.spamhaus.org }'
May 28 10:51:07 proteus.noach.com
Not working had recipient instead of client. Fixed that and then is says
its not a map.
On 5/28/24 10:36 AM, John Hill via Postfix-users wrote:
Here is what IS NOT causing postfix to dump, not sure if it will work.
main.cf
submission_recipient_restrictions = reject_rbl_client
It sends and receives mail so far. not sure on the RBL yet.
--john
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check the number on spamhaus and they come back listed.
I am correct, postscreen is on port 25.
I use 587 for submissions.
Sorry to be so dense.
--john
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On 5/28/24 5:39 AM, Christophe Kalt via Postfix-users wrote:
smtpd_delay_reject to no
I had it at yes.
Changed it.
--john
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On 28/05/2024 11:39, Christophe Kalt via Postfix-users wrote:
On Sun, May 26, 2024 at 5:57 AM John Fawcett via Postfix-users
wrote:
For submission I only use xbl (return code 127.0.0.4) excluding
other other data contained in zen like pbl that lists isp dynamic
ip ranges from
On 27/05/2024 13:31, John Hill via Postfix-users wrote:
On 5/27/24 4:13 AM, Matus UHLAR - fantomas via Postfix-users wrote:
> postscreen_dnsbl_sites = zen.spamhaus.org=127.0.0.[2..11]
John Hill via Postfix-users:
Is this the same thing?
On 25.05.24 15:54, Wietse Venema via Post
On 5/27/24 4:13 AM, Matus UHLAR - fantomas via Postfix-users wrote:
> postscreen_dnsbl_sites = zen.spamhaus.org=127.0.0.[2..11]
John Hill via Postfix-users:
Is this the same thing?
On 25.05.24 15:54, Wietse Venema via Postfix-users wrote:
See https://www.spamhaus.org/faqs/dnsbl-us
On 25/05/2024 20:50, John Hill via Postfix-users wrote:
On 5/25/24 11:22 AM, John Fawcett via Postfix-users wrote:
On 24/05/2024 03:03, John Hill via Postfix-users wrote:
I learn something every time I read this group, when I can keep up
with the conversation!
I had auth on ports I did
on user and service.
John
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On 5/25/24 3:54 PM, Wietse Venema via Postfix-users wrote:
John Hill via Postfix-users:
postscreen_dnsbl_sites = zen.spamhaus.org=127.0.0.[2..11]
Is this the same thing?
See https://www.spamhaus.org/faqs/dnsbl-usage/#200 for a table
with the purpose of different lookup results.
To block xbl
On 5/25/24 11:22 AM, John Fawcett via Postfix-users wrote:
On 24/05/2024 03:03, John Hill via Postfix-users wrote:
I learn something every time I read this group, when I can keep up
with the conversation!
I had auth on ports I did not need. I use auth on submission port
587, for users
On 24/05/2024 03:03, John Hill via Postfix-users wrote:
I learn something every time I read this group, when I can keep up
with the conversation!
I had auth on ports I did not need. I use auth on submission port 587,
for users access.
I do get a boat load of failed login attempts on 587
On 5/24/24 9:33 AM, Matus UHLAR - fantomas via Postfix-users wrote:
On 24.05.24 07:36, John Hill via Postfix-users wrote:
What command do you use to reset the connection?
no command, just rule in OUTPUT chain:
1710 649K REJECT 6 -- * * 0.0.0.0/0
0.0.0.0/0
What command do you use to reset the connection?
On 5/24/24 6:18 AM, Matus UHLAR - fantomas via Postfix-users wrote:
On 23.05.24 21:03, John Hill via Postfix-users wrote:
I use Fail2Ban to block the failed IP. The script writes it into the
nftables table immediately.
I think this keeps
Will do it. Tonight.
Thanks
On May 23, 2024 9:11 PM, Wietse Venema via Postfix-users
wrote:
John Hill via Postfix-users:
> I learn something every time I read this group, when I can keep up with
> the conversation!
>
> I had auth on ports I did not need. I use auth on sub
disconnect the ip from Postfix?
I did search the man page and the docs, sorry if I missed it.
Thanks
--john
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sizes.
John
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LS.
Best regards,
Thank You!
John
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.*relay=//' |
sed 's/,.*//' | sort | uniq -c
5770 nlp1.loc-prd.net[10.56.155.14]:25
5694 nlp2.loc-prd.net[10.32.32.103]:25
5402 nlp4.loc-prd.net[10.32.32.104]:25
21531 nlp3.loc-prd.net[10.26.15.31]:25
5570 nlp6.loc-prd.net[10.26.15.32]:25
5694 nlp5.loc-prd.net[10.26.15.34]:25
$$
default_destination_concurrency_failed_cohort_limit = 1
We have another 2 servers with the same setup, and they relay quite equally.
Anything that will help to sove this issue would be much appreciated.
Best regards,
John
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trip()s remove any whitespace, as opposed to [\t ] only.
If you are complaining that it removes bare \r and \n, those are invalid,
we've repeatedly told you why they're invalid and you're not doing yourself
any favors by continued digging.
R's,
JOhn
are something helpfully trying to turn your text into quoted
printable. What else is going on there?
Regards,
John Levine, jo...@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. htt
It appears that Viktor Dukhovni via Postfix-users
said:
>On Wed, Apr 24, 2024 at 01:01:46AM -0000, John Levine via Postfix-users wrote:
>
>> >I must be interpreting this wrong because it appears postfix is not
>> >accepting that. Here is the complete process. A messa
work. BTDT.
This has nothing to do with MIME or wrapping, by the way. The SMTP
spec says that the *only* line ending is \r\n and bare \r or \n is
undefined. Postfix strips the \r on the way in and will add the \r on
the way out if you let it handle the SMTP sessions.
R's,
John
--
Regards,
John Le
no user, just the file. TIA.
R's,
John
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, not incoming mail, e.g., adding Date and Message-ID.
Maybe I'm having a senior moment, but what in the config says to do
or not do that? TIA.
R's,
John
PS to Viktor: yes, that one.
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email setup is anti-social, and their website just
inadequate).
___ > Postfix-users mailing list -- postfix-users@postfix.org > To
unsubscribe send an email to postfix-users-le...@postfix.org
I have a habit of cutting the sour
On 2/14/24 4:18 AM, Nikolai Lusan via Postfix-users wrote:
On Wed, 2024-02-07 at 10:51 -0500, Phil Stracchino via Postfix-users
wrote:
> On 2/7/24 10:41, John Hill via Postfix-users wrote:
>> Good info.
>>
>> This site sends nothing but junk. IN fact the domain is known
On 2/7/24 12:53 PM, John Hill via Postfix-users wrote:
On 2/7/24 12:15 PM, Viktor Dukhovni via Postfix-users wrote:
On Wed, Feb 07, 2024 at 11:21:10AM -0500, John Hill via Postfix-users
wrote:
I use fail2ban as well. I'm just going to see if the sender sever
will give
up!
I prefer
On 2/7/24 12:56 PM, Matus UHLAR - fantomas via Postfix-users wrote:
On 2/7/24 10:48, Matus UHLAR - fantomas via Postfix-users wrote:
postscreen is great against bots, but fail2ban with firwall are
still better
against abusers.
On 07.02.24 10:52, Phil Stracchino via Postfix-users wrote:
And
On 2/7/24 12:15 PM, Viktor Dukhovni via Postfix-users wrote:
On Wed, Feb 07, 2024 at 11:21:10AM -0500, John Hill via Postfix-users wrote:
I use fail2ban as well. I'm just going to see if the sender sever will give
up!
I prefer to have logs that record what I'm blocking. With firewall
rules
On 2/7/24 10:51 AM, Phil Stracchino via Postfix-users wrote:
On 2/7/24 10:41, John Hill via Postfix-users wrote:
Good info.
This site sends nothing but junk. IN fact the domain is known for it.
I tried just rejecting the email address. But they just change it.
So I blocked the IP, they have
On 2/7/24 10:48 AM, Matus UHLAR - fantomas via Postfix-users wrote:
On 07.02.24 10:41, John Hill via Postfix-users wrote:
This site sends nothing but junk. IN fact the domain is known for it.
I tried just rejecting the email address. But they just change it.
So I blocked the IP, they have
I have become somewhat of a challenge.
I'll try using postscreen and see how it shakes out.
Thanks
--john
On 2/7/24 10:05 AM, Viktor Dukhovni via Postfix-users wrote:
On Wed, Feb 07, 2024 at 07:59:44AM -0500, John Hill via Postfix-users wrote:
Do mail servers as a whole stop sending an email
I figured. I block on the ingress so it is minimal network but maximum
pain in the A$$.
Thanks.
On 2/7/24 8:06 AM, Matus UHLAR - fantomas via Postfix-users wrote:
On 07.02.24 07:59, John Hill via Postfix-users wrote:
Do mail servers as a whole stop sending an email after a few errors
Do mail servers as a whole stop sending an email after a few errors?
I have a server I have blocked in my firewall. It continues to try and
is blocked as many as 4000+ times a day.
If postscreen was set to deny it, would that signal the server and limit
the attempts?
Thanks
--john
o allow this email to
pass. You'll at least need to allow this ip in the postscreen
configuration for it to get to smtpd.
John
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you are seeing when email arrives
on port 587?
Thanks
John
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get sent out.
best regards
John
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I added onmicrosoft.com to my sender access file, I've dumped 10 so far.
On 1/7/24 1:41 PM, Matus UHLAR - fantomas via Postfix-users wrote:
On 07.01.24 10:17, John Hill via Postfix-users wrote:
First I am really amazed at the amount of support, that's not true
everywhere. I also like the tone
Thx. Will do!
--john
On 1/7/24 12:57 PM, mailmary--- via Postfix-users wrote:
Same here, but I found some interesting facts about outlook spam, they have 4
common marks that can be used to catch them with Spamassassin.
The following rules block all outlook spam, but will also block some
with source back to ab...@outlook.com. They always
automatically thank me.
I can't block outlook, so I gave up and block all onmicrosoft emails.
I'll see how that goes.
--john
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g sendmail.
If you disable sendmail from php that way people will have to
authenticate to your submission service from php to send emails.
John
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matter.
We also have one person (you can guess who) who thinks that sometime in
the distant past there might have been a HELP command that returned
something useful so who knows, maybe one will again.
Regards,
John Levine, jo...@taugh.com, Primary Perpetrator of "The Internet for Dummies&quo
the hassle of changing the spec.
Regards,
John Levine, jo...@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly
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It appears that Joachim Lindenberg via Postfix-users
said:
>Hello John,
>are you willing to share what direction you/IETF are working towards?
It's the EMAILCORE working group. You can see the documents here:
https://datatracker.ietf.org/wg/emailcore/documents/
>What I am reall
that there might be reasons
not to do it but you better be sure you understand the implications.
R's,
John
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which instance you're talking to.
Unlike every other MTA I've looked at, Postfix doesn't implement it at
alll and returns an error code. You don't have to tell me that it's
not useful, but why not? It's in the spec, the work to return the
string is trivial.
R's,
John
I believe some users are in fact confusing DMARC and DKIM. DMARC is a
policy that lets receiving servers know how to deal with mail that seems to
be coming from your server but has *not* passed SPF and DKIM checks. From
the Google support forum:
DMARC (Domain-based Message Authentication,
I was directed to this thread from the dev mailing list. Seeing I'm using
Postfix 3.4.13 on a server of mine that has an OS of Ubuntu 20.04, I'm
guessing I don't have access to this smtpd restriction. I have however
started implementing amavis as spam detection, which does use -o
anything that's not a botnet send bare
LFs without using BDAT?
https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/
R's,
John
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New York Times business section.
As a recovering sendmail user, I appreciate all the hard work you've
put into this tool and all the help you continue to give all these
years later. I wish I could buy you a beer, or a dinner out to thank
you for a
l who have contributed.
Apart from being the only MTA software I'd want to use, this project
stands out for its exemplary software engineering from design to
implementation and for the dedication to it's support and evolution.
Happy anniversary Wietse and every
I am a retired System Administrator. I have used Postfix to feed
Exchange servers. I trust Postfix on the front line.
Now as a hobbyist I use it for my personal domain.
Thank you for the continued dedication to the project.
25 years is a huge accomplishment.
Congratulations!
--john
up, just locally submitted stuff, or soemthing else? TNx.
R's,
John
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ignores it.
As I told the guy who wrote the RFC, if you send mail to my MTA,
you're going to get what you get, not something else that you might
want.
R's,
John
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blocking by just blocking
entire netblocks.
> My question for the list is, is anyone here relaying via dnsexit.com,
> and if so, did you have similar issues that got resolved? I'd rather
> use their service if possible as they are currently handling my dynam
ly ARC headers which let you look back and see what the
DMARC result was before the list changed it, but most lists don't, and
at this point there is no ARC milter I would want to use.
R's,
John
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isting suggests, they don't expect
anyone to accept it.
But this has nothing to do with Postfix. You can ask the same question
on the mailop list but I doubt you'll get a different answer.
R's,
John
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ntacted them through
their customer support channels and asekd for the support you are
paying for?
If you are not a web.de customer, how did you send mail through their system?
R's,
John
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>>>>> "Phil" == Phil Stracchino via Postfix-users
>>>>> writes:
> On 3/7/23 15:36, Bernardo Reino via Postfix-users wrote:
>> On Tue, 7 Mar 2023, John Stoffel via Postfix-users wrote:
>>
>>> So what's the option for a more upto
> "mailmary---" == mailmary--- via Postfix-users
> writes:
> Unfortunately I've seen this crash as well, its actually quite
> frequent in my case and I'm using a newer version of OpenDMARC than
> you:
> # opendmarc -V
> opendmarc: OpenDMARC Filter v1.4.2
> SMFI_VERSION 0x101
> "Bill" == Bill Cole writes:
> On 2022-12-04 at 20:57:49 UTC-0500 (Sun, 4 Dec 2022 20:57:49 -0500)
> You are missing the point here.
> NO ONE running a serious mailserver will reject mail based on a
> UCEPROTECT level 3 listing. It is a waste of your energy to focus on
> that listing.
>>>>> "Rob" == Rob McGee writes:
> On 12/3/2022 9:37 AM, John Stoffel wrote:
>>>>>>> "Jim" == Jim Popovitch writes:
>>
>>> On Fri, 2022-12-02 at 11:36 -0500, John Stoffel wrote:
>>> I check, but I find my
>>>>> "Wietse" == Wietse Venema writes:
> Viktor Dukhovni:
>> On Fri, Dec 02, 2022 at 11:36:30AM -0500, John Stoffel wrote:
>>
>> > I tried setting up /etc/postfix/transport_maps like this:
>> >
>> >
>>>>> "Jim" == Jim Popovitch writes:
> On Fri, 2022-12-02 at 11:36 -0500, John Stoffel wrote:
> I check, but I find my IP for mail.stoffel.org in the UCEPROTECT-3
> spam list. Nothing I can do about it.
> I doubt that many sites block by using U
t; Von: owner-postfix-us...@postfix.org Im
> Auftrag von John Stoffel
> Gesendet: Freitag, 2. Dezember 2022 17:37
> An: Postfix users
> Betreff: Send email to one @domain.com via authenticated relay?
> Hi all,
> I run my own domain @stoffel.org and I'm trying to fix a problem sending
Hi all,
I run my own domain @stoffel.org and I'm trying to fix a problem
sending email to @charter.net users, since Spectrum has blocked my
Linode's ASN number completely. My IP passes all the RBL blacklists
their first line support suggested I check, but I find my IP for
mail.stoffel.org in
ter.net users via my charter login, but all others
default to normal MX lookups and email sending.
I've got my saslpass, transport_maps and other stuff setup, but it's
not quite working. More reading and re-reading of the docs and this
list's archives, since I know this has come up before.
John
> "Henry" == Henry R writes:
> My mailserver once had some issues on sending messages to different
> providers. I have contacted the provders and most of them were kind
> enough to resolve the blocking issue. Thanks for them (ATT, GMX,
> 1and1 etc).
I'm in the same boat with one provider,
> "Dhammika" == Dhammika Gunawardena writes:
> We maintain a private relay server to send ebills for a customer.
Please send more details on your setup: OS, postfix version, "postconf
-nf" output, etc. Give more details
> During peak sending hours, we miss about 5-10% of incoming
In my case, a single alias was used that expands to 5000 or more addresses in a
virtual_alias_maps table (after increasing virtual_alias_expansion_limit).
The error is reproduced both when sending an email to this alias address and when just
checking with 'sendmail -bv'.
John
On 10/6/22 16
sfully delivered to up to
1 recipients.
So it seems this issue occurs whenever the mail queue total recipient count reaches 5000
addresses.
John
On 8/30/22 10:20, Frank Brendel wrote:
Hi,
sporadically I get the error
Unexpected record type 'X' at offset ...
and the message is moved to t
Any way I could get removed from this list?
Thanks!
On Tue, Aug 30, 2022 at 9:59 AM Wietse Venema wrote:
> Wietse Venema:
> > Frank Brendel:
> > > Here's the Postfix log and the queue file.
> > >
> > > Aug 30 13:02:23 elvmwlx94.eurolog.com postfix/smtpd[56532] 57850C4DC9:
> > >
is FreeBSD-13.1-RC4 but that was released on 21/04/2022 so I
guess you're using a previous version.
John
SPF -all says you don't send mail.
>
>why is spf needed if domain is nullMx ?
Null MX says you don't receive mail, SPF -all says you don't send mail.
They're different directions.
>in other words if a domain is nullMx postfix still reject it, aswell for
>senders
Not all MTAs work the same.
R's,
John
null MX and the SPF. Null MX says you
don't receive mail, SPF -all says you don't send mail.
The DMARC record is a matter of taste. The reports can be
amusing to see who's forging your address.
R's,
John
For doing DMARC validation, I know about the opendmarc milter. Is that what
everyone uses? Is there anything else used in pratice?
I know about perl and python libraries but they don't seem to have
milters or other ready to use integrations into MTAs.
TIA,
John
iver to a local mailbox and configure your Gmail account
to pick up the mail with POP.
R's,
John
seeing that spambots
have an odd idea of who they are talking to, I wouldn't necessarily
recommend it for anyone else.
R's,
John
t;what this might break upon replying with this doctored header.
>That is, will it cause "breakage" of certain SPAM/Malware checks, or email
>tamper detectors.
List software does that all the time. It won't cause any problems that you
don't already have from
the routine changes that
SH> We have a postfix/dovecot/mysql configuration. We recently
SH> removed one of the users from the database, however when we send
SH> email, it still looks like the address we are sending to is a
SH> local address and bounces with a “no such user” error.
Please post your config values. But
It appears that Benny Pedersen said:
>On 2022-01-15 20:01, Robert Siemer wrote:
>
>> I need to DKIM sign possibly huge emails (up to 150MB).
>
>insane
agreed
>> A DKIM signer can do this by either keeping the message in memory (a
>> no-go for me) or write it to a file.
>
>will a mount point on
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