The Postfix mailing list migration should be complete by now, except
for some old messages that may still be queued on some mail servers.
I'll manually handle any sub/unsubscribe requests that may still
arrive at the old address.
See below for the pre-migration announcement, with a summary
of the
Gerald Galster via Postfix-users:
>
> >> Out of sheer curiosity ... Mailman 2 or 3?
> >
> > Mailman 3 with ARC support enabled. Additionally all listmail will be DKIM
> > signed.
>
> Do you plan to enable a public archive at
> https://list.sys4.de/hyperkitty/list/postfix-us...@de.postfix.org/
Gerald Galster via Postfix-users:
> The tab "Archiving" under "List Settings" offers "Archive policy":
> "Public archives", "Private archives", "Do not archive this list".
These settings are mutually exclusive, i.e. the setting "Private
archives" turns OFF "Do not archive this list".
The correct
Michael via Postfix-users:
> wietse,
>
> On Monday, 6 March 2023 17:08:49 CET, Wietse Venema wrote:
> > This week, the Postfix mailing lists will be migrated from Majordomo at
> > Cloud9.net to Mailman at Sys4.de.
> > [...]
>
> what a coincidence!
Let me help remind you that your email address h
postfix--- via Postfix-users:
> Is it the best idea to add a reply-to header to the author on mailing list
> emails?
> The problem I see is many people will hit reply in their email client which
> will create an email from them to the author, bypassing the mailing list.
> Unless they remember to
Aleksandr Stankevic via Postfix-users:
> Hi,
>
> I've got a milter that, as part of the job, adds an X-Test-Tracking header
> with a 76 char length string.
> Then, in postfix, i've got a milter_header_checks which uses WARN to log
> this to logs, like:
> /^X-Test-Tracking/ WARN
> I've noticed that
This list uses Mailman configuration settings, not handcrafted code.
If people believe that it is worthwhile to change the Mailman
implementation or the DMARC spec, then I suggest that they work
with the people responsible for that.
Wietse
___
Po
Gerald Galster via Postfix-users:
> > This list uses Mailman configuration settings, not handcrafted code.
> > If people believe that it is worthwhile to change the Mailman
> > implementation or the DMARC spec, then I suggest that they work
> > with the people responsible for that.
>
> There is no
Peter via Postfix-users:
> On 10/03/23 10:04, Dan Mahoney via Postfix-users wrote:
> > I know that P-U stands for postfix users. I get it that a short subject
> > tag was desired, but would [postfix] have been that much more distracting,
> > without adding the obvious third-grader label that mig
Peter via Postfix-users:
> I think that [postfix] or [postfix-users] and [postfix-devel]
> [postfix-announce] are just fine, but if you want shortened versions,
> might I suggest:
>
> [pf] [pf-dev] [pf-ann]
Changed to: [pfx], [pfx-dev], [pfx-ann]
Wietse
Wietse Venema via Postfix-users:
> Peter via Postfix-users:
> > I think that [postfix] or [postfix-users] and [postfix-devel]
> > [postfix-announce] are just fine, but if you want shortened versions,
> > might I suggest:
> >
> > [pf] [pf-dev] [pf-ann]
>
>
Aleksandr Stankevic:
> Hi,
>
> I understand that there's always a limit - this is expected.
> But the unexpected part was that the limit is very different on same-ish
> functions.
> I think making the limit the same for both scenarios would be best - if
> either 60 or 200 ( more preferred :P ).
D
SysAdmin EM via Postfix-users:
> Good days, request help, is it possible to use conditions in the
> sender_canonical file? we are migrating an entire system and some customers
> do not have our SPF added.
>
> I would like to add a condition for you to rewrite the from when it does
> not match a co
Steffen Nurpmeso via Postfix-users:
> Steffen Nurpmeso wrote in
> <20230311005401.bynjz%stef...@sdaoden.eu>:
> ...
> |>From [.]
This is part of the mbox format, and most likely happens at your end.
The Postfix-Mailman interface uses LMTP which requires no such quoting.
Wietse
_
Wietse Venema via Postfix-users:
> Steffen Nurpmeso via Postfix-users:
> > Steffen Nurpmeso wrote in
> > <20230311005401.bynjz%stef...@sdaoden.eu>:
> > ...
> > |>From [.]
>
> This is part of the mbox format, and most likely happens at your end.
>
EML via Postfix-users:
> I've written a before-queue milter that I'm trying to integrate with
> Postfix, but there doesn't seem to be any specific documentation on how
> to do this. During development, I ran the milter manually, listening on
> port 7950, with nothing in master.cf, and this in ma
Wietse Venema via Postfix-users:
> EML via Postfix-users:
> > I've written a before-queue milter that I'm trying to integrate with
> > Postfix, but there doesn't seem to be any specific documentation on how
> > to do this. During development, I ran the mil
Demi Marie Obenour via Postfix-users:
> On 3/12/23 01:21, Bill Cole via Postfix-users wrote:
> > On 2023-03-12 at 00:03:32 UTC-0500 (Sun, 12 Mar 2023 00:03:32 -0500)
> > Phil Stracchino via Postfix-users
> > is rumored to have said:
> >
> >> On 3/11/23 19:04, pyh--- via Postfix-users wrote:
> >>>
Steffen Nurpmeso via Postfix-users:
> Postfix users wrote in
> <4pzsd16nkpzj...@spike.porcupine.org>:
> ...
> |Postfix must wait for fsync() to complete (or whatever its Cloud
> |equivalent is), before it can take responsibility for delivery of
>
> (postfix does not support FULLFSYNC on MacOS.
Sean Gallagher via Postfix-users:
> I have been trying to understand why check_ccert_access does not work
> with an inline:{} table and I believe I have uncovered a subtle bug.
>
> My investigation has focused on
> https://github.com/vdukhovni/postfix/blob/master/postfix/src/global/map_search.c
Gerd Hoerst via Postfix-users:
> > domain.com DISCARD Spam rule domain block
> > .domain.com DISCARD Spam rule domain block
>
> as is wrote? i tried with both versions , depending on my setting in
> parent_domain_matching_subdomains both did not work..
How would we know that you did not
Gerd Hoerst via Postfix-users:
> Hi !
>
> in email source text is
>
> From: Der heutige Gewinner!
That is is a header, that not used in SMTPD access maps.
Look in your logs for from=. THAT is the address in the
SMTP RCPT TO command that ia uaws in SMTPD access maps.
Wietse
_
William Bowden via Postfix-users:
> I have disabled reject_unauth_pipelining to no avail the server appears to
> be one of the big boys server any clues or ideas to allow this through.
>
Prove it. Show output
postconf -n
postconf -P
Also, Postfix should log this:
improper comman
Wietse Venema via Postfix-users:
> William Bowden via Postfix-users:
> > I have disabled reject_unauth_pipelining to no avail the server appears to
> > be one of the big boys server any clues or ideas to allow this through.
> >
>
> Prove it. Show output
>
>
If you must (not necessariy a god idea), your options are:
- Multiple Posifix instances on different IP addresses. Each instance
has its own main.cf and master.cf.
- Single Postfix instance with different smtpd configurations in
master.cf on different server IP addresses, using main.cf only for
c
Fourhundred Thecat via Postfix-users:
> Hello,
>
> I occasionally see timeout after END-OF-MESSAGE in my logs:
>
>timeout after END-OF-MESSAGE from mail-lf1-f49.google.com[209.85.167.49]
>disconnect from mail-lf1-f49.google.com[209.85.167.49] ehlo=2
> starttls=1 mail=1 rcpt=1 bdat=1 comma
Gino Ferguson via Postfix-users:
> Hi,
>
>
> Can you explain me the practical difference between relay and smtp delivery
> on a relay server?
Background for what is different:
https://www.postfix.org/ADDRESS_CLASS_README.html
Wietse
___
Po
postfix--- via Postfix-users:
> smtp_tls_security_level = may/encrypt sets global policy for the
> server. Is there a way to override that on a per user basis when
> delivering mail to another public server? For example if the server
> default is "may" can email being sent from a_select_u...@exampl
Gino Ferguson via Postfix-users:
> Hi,
>
> How can one set up outbound rate limiting for a certain mail service
> provider?
Did you mean concurrency limit (number of parallal deliveries)
or rate limit (for example, number of deliveries per minute)?
> Can postfix 'recognise' that recipientdomai
Dan Mahoney (Gushi) via Postfix-users:
> Hey there all,
>
> Dayjob sometimes receives mail for one domain that we'd like to have
> bypass certain milters (specifically, we want to exempt them from some
> filtering/scanning mitlers since the domain is pretty much entirely
> passthrough) --
The
Amit Gupta via Postfix-users:
> Is there any relation between max_use and the smtp connection cache?
C
None whatsoever.
The max_use parameter specifies a limit for number of consequtive
client connections that a short-lived Postfix daemon process will
handle before it terminates. For example, a
Nuno Pereira via Postfix-users:
> Hello.
>
> We have a setup where postifix is configured to send all mails sent to domain
> virtualdomain.com are virtual and sent to realdomain.com.
>
> This is done with the following configuration:
>
> virtual_alias_domains = virtualdomain.com
>
> virtual_alias_m
Nuno Pereira via Postfix-users:
> > De: Wietse Venema via Postfix-users
> > Enviada: 30 de mar?o de 2023 21:25
> > Para: Postfix users
> > Assunto: [pfx] Re: Success DSN for virtual mailboxes not working
> >
> > Nuno Pereira via Postfix-users:
> >
Nuno Pereira via Postfix-users:
> Logs of message with success DSN sent:
>
> Mar 31 13:26:16 MAIL01 postfix/cleanup[110]: 21069213F:
> message-id= uYAAA4AABB+0ZLW85dyTYzsfdF+fjJNAQA=@otherdomain.com>
> Mar 31 13:26:19 MAIL01 MailScanner[1402982]: Requeue: 21069213F.A0295 to
> C91CB
There is a difference in MailScanner logging when a SUCCESS DSN is
created and when it is not created.
Wietse Venema via Postfix-users:
> Nuno Pereira via Postfix-users:
> > Logs of message with success DSN sent:
> >
> > Mar 31 13:26:16 MAIL01 postfix/cleanup[110]: 2106
Israel britto via Postfix-users:
[ Charset ISO-8859-1 converted... ]
> Hey, I have a strange problem, my incoming queue is growing and my active and
> deferred queues are low on queue items. I checked and I have a lot of
> incoming mailer-daemon and double-bounce emails, is there a way to discard
Ralf Hildebrandt via Postfix-users:
> * Wietse Venema via Postfix-users :
>
> > Start by looking for "@domain" wildcards in virtual_alias_maps or
>
> Somewhat related: I was under the impression that virtual_alias_maps
> "@domainA @domainB" did
fh--- via Postfix-users:
>
> >
> > If I remember correctly, someone mentioned NoListing recently on that
> > list.
> > For this, you *need* a secondary MX, and it is actually your main mail
> > server - the primary MX never accepts mail...
>
> Hallo,
>
> 1. what's the advantage of this archite
Florian Piekert via Postfix-users:
Checking application/pgp-signature: FAILURE
-- Start of PGP signed section.
> Hello all,
>
> I get dozens of
> Apr 6 10:34:22 blueberry postfix/smtp[2590]: panic: myfree: corrupt or
> unallocated memory block
> Apr 6 10:34:23 blueberry postfix/qmgr[4313]: war
Wietse Venema via Postfix-users:
> I have some, starting after I updated from 3.8-202304331 to 3.8-20230402.
> This was not found running the tests under Valgrind.
>
> Apr 4 07:29:42 spike postfix/smtp[37107]: 4PrQXP6G74zJrP4:
> to=<...@gmail.com>, relay=gmail
Nuno Pereira via Postfix-users:
> My best guess for now is that the virtuals are messing around with notify. Is
> there any way to put it marking the virtual destination as the final
> destination, even not being so?
I have demonstrated that Postfix will send "success" notification
after virtual a
Corey Hickman via Postfix-users:
> Hello buddies,
>
> I just want to make some simple filters for outgoing messages.
> for example, the message content has some keywords (like "VPN sale")
> included, it will be rejected by the system.
>
> I know there are the software Rspamd and Spamassassin, bu
Steffen Nurpmeso via Postfix-users:
> Wietse Venema wrote in
> <4pshgn4l8vzj...@spike.porcupine.org>:
> |Wietse Venema via Postfix-users:
> |> I have some, starting after I updated from 3.8-202304331 to 3.8-2023040\
> |> 2.
>
> There are snapshots, ther
tom--- via Postfix-users:
> Hello,
>
> 1. use MIME encoding for 8bit chars
I suppose you mean that you encode message header or boody content
using Base64 or Quoted-Printable.
> 2. Content-Transfer-Encoding: 7bit
Both base64 and quoted-printable are 7-bit transfer encodings.
> Do they mean the
raf via Postfix-users:
> > 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 name
> > before checking. ht
Viktor Dukhovni via Postfix-users:
> Apparently, reading RFC5321 and RFC5322 is too tedious.
Reading RFCs is so old-school. It's much easier to be ignorant.
Wietse
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tom--- via Postfix-users:
> I have this setting in main.cf:
>
> smtpd_recipient_restrictions =
> permit_mynetworks,
> permit_sasl_authenticated,
> reject_unauth_destination,
> check_policy_service unix:private/policyd-spf,
> reject_rbl_client zen.spamhaus.org,
> reject_rbl_
How do you specify the test message envelope sender addresses? You
can't put them in a message header (From:, Return-Path:, etc.).
Wietse
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Fran?ois via Postfix-users:
> mail program links to mailx. mailx man page says:
>
> -r address
> Sets the From address. Overrides any from variable specified
Envelope from? Header from?
Wietse
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Fran?ois via Postfix-users:
> >Envelope from? Header from?
>
> I just don't know. I tried to find the info but could not. My best guess:
> header from.
It sets both.
With a very simple canonical map
main.cf:
canonical_maps = inline:{{f...@porcupine.org = b...@porcupine.org}}
Command:
Fran?ois via Postfix-users:
> I'm sorry if any part of my request seemed disagreeable: not my intention.
>
> I did post the relevant parts (I believe) of main.cf:
>
> canonical_maps = regexp:/etc/postfix/canonical
> canonical_classes = envelope_sender
You failed to post "postconf -n" output as r
Fourhundred Thecat via Postfix-users:
> Hello,
>
> I am setting up opendkim on my postfix server:
>
> what is the practical difference between using inet or UNIX domain
> socket in /etc/opendkim.conf ?
>
> If I leave socket at the default settings:
>
>Socket local:/var/run/opendkim/opendki
Did you set 'smtpd_delay_reject=no'?
Wietse
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Fourhundred Thecat via Postfix-users:
> > On 2023-04-12 14:48, Byung-Hee HWANG via Postfix-users wrote:
> >>2) change smtp_helo_name to
> >>
> >> smtp_helo_name = $mydomain
> >
> > It is very strange, i think.
>
> what do you mean?
> is it strange to use example.com, instead of mail.exam
Fourhundred Thecat via Postfix-users:
> > On 2023-04-12 15:30, Wietse Venema via Postfix-users wrote:
> > Fourhundred Thecat via Postfix-users:
> >> > On 2023-04-12 14:48, Byung-Hee HWANG via Postfix-users wrote:
> >
> > The smtp_helo_name used in the Postf
I'm wrapping up the Postfix 3.8 stable release, and have rolled out
a release candidate postfix-3.8.0-RC1. This is mainly so that people
can find out if Postfix 3.8 will build and run as expected.
The changes involve code and documentation improvements, SRV record
lookup, configuration for a featu
V?ctor Rubiella Monfort via Postfix-users:
> Hi again,
>
> I realized than same error is raised when database is in utf8 if email
> contains utf8mb4 characters.
>
> Which is the convenient database collation for postfix? We can force
> postfix to accept only utf8 characters?.
With "smtputf8_en
Wietse Venema via Postfix-users:
> As for the temp error becoming persistent, the Postfix pgsql: client
> code returns an error when it gets an error from all of the hosts
> configured in the Postfix pgsql: client configuration file, or when
> all hosts have been flagged as '
Viktor Dukhovni via Postfix-users:
> On Fri, Apr 14, 2023 at 01:06:16PM -0400, Wietse Venema via Postfix-users
> wrote:
>
> > Wietse Venema via Postfix-users:
> > > As for the temp error becoming persistent, the Postfix pgsql: client
> > > code returns an error
Jaroslaw Rafa via Postfix-users:
> Dnia 16.04.2023 o godz. 16:32:41 Gerald Galster via Postfix-users pisze:
> >
> > Mails classified as spam or external forwards seemingly take another route
> > via mout-xforward.web.de. These servers are SBL-listed by intention, most
> > likely because the spam p
V?ctor Rubiella Monfort via Postfix-users:
> Hi, I have more info and I try to explain it better:
>
> First of all I have smtputf8_enable = no (disabled).
>
> I have several databases related with several mysql_virtual maps:
>
> - Some with utf8 + utf8_general_ci collation
>
> - Another ones wi
Wietse Venema via Postfix-users:
> > My conclusion to hard-solve this issue on my system is transform all
> > tables to utf8mb4.
> >
> > But:
> > - I don't see any option to change default charset on mysql_table
> > connector, maybe should be int
Postfix stable release 3.8.0 is available. Postfix 3.4..3.7 will
be updated soon; after that, Postfix 3.4 will no longer be updated.
The main changes are below. See the RELEASE_NOTES file for further
details.
* Support to look up DNS SRV records in the Postfix SMTP/LMTP
client, Based on cod
Gerald Galster via Postfix-users:
>
> > Wietse Venema via Postfix-users :
> >
> >>> My conclusion to hard-solve this issue on my system is transform all
> >>> tables to utf8mb4.
> >>>
> >>> But:
> >
> >>> -
Wietse Venema via Postfix-users:
> Gerald Galster via Postfix-users:
> >
> > > Wietse Venema via Postfix-users :
> > >
> > >>> My conclusion to hard-solve this issue on my system is transform all
> > >>> tables to utf8mb4.
> > >
And here is a more conservative patch for MySQL client retries.
It closes the server connection after every error, and it delays
making a new server connection only after specific errors.
Closing the connection eliminates the possibility that the client
becomes stuck.
Wietse
20230417
Gerald Galster via Postfix-users:
>
> > Wietse Venema via Postfix-users :
> >
> > And here is a more conservative patch for MySQL client retries.
> >
> > It closes the server connection after every error, and it delays
> > making a new serve
Demi Marie Obenour via Postfix-users:
> > While Postfix can to some extent enforce envelope to sender mismatches,
> > the real concern is usually the "From:" header, ... whose content is not
> > the MSAs job to enforce.
>
> A milter must be used for this. Since this, along with DMARC, is a
> core
natan via Postfix-users:
> Hi
> I have question about *_error_limit and postfix
>
> I have separated services like
> smtp incomming and smtp outgoing and webmail
>
> I have roudcube which is used by several thousand users
>
> On smtp outgoing in main.cf:
> ...
> smtpd_client_connection_count_lim
[An on-line version of this announcement will be available at
https://www.postfix.org/announcements/postfix-3.7.5.html]
This will be the last update for Postfix version 3.4.
Fixed with Postfix 3.7.5, 3.6.9, 3.5.19:
* Bugfix (problem introduced in Postfix 3.5): check_ccert_access
did not ha
Steffen Nurpmeso via Postfix-users:
> Hello.
>
> On 3.8.0 services managed via spawn(8) now produce
>
> Apr 19 01:03:04 postfix/spawn[8485]: warning: /usr/libexec/s-postgray:
> process id 8486: command time limit exceeded
> Apr 19 14:43:56 postfix/spawn[19651]: warning: /usr/libexec/s-postgr
White, Daniel E. (GSFC-770.0)[AEGIS] via Postfix-users:
> Is there any chance that SPF and DKIM records could be added to
> appear in the headers ?
The list server adds its own DKIM-Signature: on behalf of the domain
postfix.org, AND it adds ARC headers and Authentication-Results:
for the message
Steffen Nurpmeso:
> Wietse Venema wrote in
> <4q21sp16m7zj...@spike.porcupine.org>:
> |Steffen Nurpmeso via Postfix-users:
> |> On 3.8.0 services managed via spawn(8) now produce
> |>
> |> Apr 19 01:03:04 postfix/spawn[8485]: warning: /usr/libexec/s-postgray: \
> |> process id 8486: comm
Steffen Nurpmeso:
> Wietse Venema wrote in
> <4q2khr57flzj...@spike.porcupine.org>:
> |Steffen Nurpmeso:
> |> Wietse Venema wrote in
> |> <4q21sp16m7zj...@spike.porcupine.org>:
> |>|Steffen Nurpmeso via Postfix-users:
> |>|> On 3.8.0 services managed via spawn(8) now produce
> |>|>
> |>|>
natan via Postfix-users:
> W dniu 19.04.2023 o?17:23, Wietse Venema via Postfix-users pisze:
> > natan via Postfix-users:
> >> Hi
> >> I have question about *_error_limit and postfix
> >>
> >> I have separated services like
> >> smtp in
David Roe via Postfix-users:
> I was doing some work with postfix logrotation as part of a recent
> project and ran across what seems to be unintended behavior.
>
> When running postfix logrotate the maillog_file is created with
> 600 permissions which was tripping up a log tail system of ours.
> I
Benny Pedersen via Postfix-users:
>
> imho a bug
Insifficient
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Jos Chrispijn via Postfix-users:
> Running mailservice with Postfix
> PTR record is set to myserver.mydomain.com (1.2.3.4)
>
> Every time I receive external e-mail, my logfile shows:
> Apr 25 15:01:39 terra postfix/smtpd[12479]: 073416D2:
> client=unknown[1.2.3.4], sasl_method=LOGIN, sasl_usernam
Ue netcat (nc) instead of putty.
I suspsect that putty is sending telnet protocol options, even when
it connets to a server on a non-telnet port. That would be a putty
bug.
Wietse
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Gino Ferguson via Postfix-users:
> Hi,
>
>
>
> I'm wondering why is the qmgr process count set to 1 by default in master.cf
Because there MUST be only one scheduler.
> Does it make any sense to increase this number to 2 or 5 or 10?
> There are a couple of million emails are going through our s
Andreas Cieslak via Postfix-users:
> Hi list,
>
> i want to achieve that my postfix relay will modify the subject based on
> the recipients.
> The postfiy relay is receiving email from other internal systems and
> forwards all mail to a mail group (testgroup) on another internal mail
> system.
Su
Wietse Venema via Postfix-users:
> Andreas Cieslak via Postfix-users:
> > Hi list,
> >
> > i want to achieve that my postfix relay will modify the subject based on
> > the recipients.
> > The postfiy relay is receiving email from other internal systems and
>
PGNet Dev via Postfix-users:
> fedora 38/rhel pkg builds carry a few patches
>
> i'm trying to figure out what still needs to be carried
>
> one was reported @ distro
>
> Bug 1977732 - [Regression] postfix "cleanup" crashes when processing
> messages containing a "whitespace-only" fullnam
Mihaly Zachar via Postfix-users:
> 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 :)
Don't do it unless you ar
SATOH Fumiyasu (TSUCHIDA Fumiyasu) via Postfix-users:
> I see the following problems.
>
> 1. `postconf -M bar/unix='foo unix ...'` will duplicates entries
> in master.cf.
Nice find: postconf should reject this request, because the key
(bar/unix) does not match the content (foo unix ...).
> 2. `p
Eray Aslan via Postfix-users:
> Some links seem to be broken in postfix.org downloads page
> http://ftp.porcupine.org/mirrors/postfix-release/index.html. Example:
> http://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-3.9-20230419.tar.gz
>
> I also do not see a link to postfix-3.7
Andrew Athan via Postfix-users:
> I have a postfix based AWS on-demand instance but I can save some $ by
> running it as a spot instance ... after all, I don't mind brief delays
> delivering mail.
>
> To do this, I need to determine any and all directories that may get
> written to by postfix so t
Intrigued by a complaint about poor logging from Postfix, I decided
to investigate.
What was logged?
Apr 30 14:32:16 generalpurpose postfix/smtp[2299]: 78D1D80AD7:
to=, relay=none, delay=414074, delays=413981/0.19/93/0,
dsn=4.4.1, status=deferred (connect to
mxw.mxhichina.com[47.2
Kolusion K via Postfix-users:
> Hello
>
>
> So I have a problem sending and receiving e-mail from some people.
>
> The problem I have sending e-mail to some people is that Postfix
> says the connection times out when attempting to connect to the
> server.
>
> This is my setup:
>
[amazing complexi
Kolusion K:
> Ok, I did what you asked and I got this:
>
> reading from file dump.txt, link-type LINUX_SLL (Linux cooked v1)
> 23:11:23.019120 IP 192.168.2.2.40415 > 47.246.137.47.smtp: Flags [S], seq
> 3300139944, win 65280, options [mss 1360,sackOK,TS val 912070706 ecr
> 0,nop,wscale 7], lengt
Jon LaBadie via Postfix-users:
>
> I've been getting a lot of spam with Date: headers
> containing future dates, typically 1 year.
>
> I don't find any header checks that would look for
> this type of message. Have I over looked it?
>
> In the meantime I've implemented a script and procmail
> r
Alex via Postfix-users:
> Hi,
>
> I have postscreen implemented on postfix-3.7.3 on fedora37, and not sure I
> understand if it's working properly. Sometimes I see the postscreen/dnsblog
> combination ending with a simple DISCONNECT. In this case, it met the
> 8-point threshold to be rejected, but
Corey Hickman via Postfix-users:
> Hello list,
>
> Some clients abuse the outgoing smtp server for sending bulk messages.
> The messages have the same content of business promotion letter.
> Do you know how to stop this behavior?
Perhaps you can use postfwd (www.postfwd.org) to limit the number
o
Kolusion K via Postfix-users:
Yesterday you sent a tcpdump trace where Postfix fails to make a
connection from 192.168.2.2:
23:11:38.333669 IP 192.168.2.2.40415 > 47.246.137.47.smtp: Flags
[S], seq 3300139944, win 65280, options [mss 1360,sackOK,TS val
912086021 ecr 0,nop,wscale 7], le
Kolusion K:
> Good point. Now that I think about that TCP dump, it did use 192.168.2.2.
>
> I can't see why there is no route. The firewall on the other side
> is set to allow traffic through and it logged blocking traffic
> before I allowed it. Maybe there is a problem with routing.
One reason c
kwoody--- via Postfix-users:
> The local recipient table has a list of all valid users in the format
> u...@citytel.net. This is rebuilt when needed.
>
> Postifx is appending mail.citytel.net, not citytel.net.
Over the last 25+ years, Postfix appends the domain that is configured
in the myorigin
Ken Peng via Postfix-users:
> Hello
>
> iCloud mail has two MX RR:
>
> icloud.com. 3600IN MX 10 mx01.mail.icloud.com.
> icloud.com. 3600IN MX 10 mx02.mail.icloud.com.
>
> But these two MX have the same IPs included.
>
> mx01:
> mx01.mail.icloud.co
SATOH Fumiyasu (TSUCHIDA Fumiyasu) via Postfix-users:
> I see the following problems.
>
> 1. `postconf -M bar/unix='foo unix ...'` will duplicates entries in master.cf.
> 2. `postconf -M foo/unix='foo unix ...' get segfault if multiple entries
> exist in master.cf.
Both problems with master.cf u
Paul Menzel via Postfix-users:
> Dear Postfix users,
>
>
> Some of our users, that relocate, ask for a custom message over the
> current one:
>
> user has moved to new_location
>
> For example:
>
> This address is out of service. For business please contact
> funct...@company.examp
I updated the inet_interfaces documentation anmd clarified its
relationship with smtp_bind*_address and system-chosen source IP
addresses.
Wietse
When smtp_bind_address and/or smtp_bind_address6 are not specified, the
inet_interfaces setting may constrain the source IP address for
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