On Tue, Jun 04, 2024 at 10:00:28AM +0100, Chris Green via Postfix-users wrote:
> I run dnsmasq instead of systemd-resolved on all my systems.
>
> I recently moved my dekstop server to new hardware running xubuntu
> 24.04 replacing my previous system that was running xubuntu 2
by dnsmasq?
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Chris Green
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y well be scarred but I suspect you meant scared! :-)
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On Tue, Dec 05, 2023 at 11:53:24AM -0500, Wietse Venema via Postfix-users wrote:
> Ralf Hildebrandt via Postfix-users:
> > * Chris Green via Postfix-users :
> > > On Tue, Dec 05, 2023 at 05:41:11PM +0100, Ralf Hildebrandt via
> > > Postfix-users wrote:
> > &g
On Tue, Dec 05, 2023 at 05:41:11PM +0100, Ralf Hildebrandt via Postfix-users
wrote:
> * Chris Green via Postfix-users :
>
> > mydestination =
>
> no mail is delivered locally. Thus "/etc/aliases" doesn't get to do
> anything
>
Ah, that explains it.
mythic-beasts.com[46.235.227.24]:465,
delay=0.99, delays=0.16/0.11/0.51/0.21, dsn=2.0.0, status=sent (250 OK
id=1rAYNY-002U3U-Hf)
Dec 5 16:34:37 odin postfix/qmgr[1824]: 677DFBAD: removed
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of the sending
machine so that I can see where the (error) message came from.
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On Mon, Jul 10, 2023 at 10:54:19AM +0200, Jaroslaw Rafa via Postfix-users wrote:
> Dnia 10.07.2023 o godz. 09:10:32 Chris Green via Postfix-users pisze:
> >
> > What's the simplest way to do this? I looked in the "Postfix Howtos
> > and FAQs" page but there didn'
the simplest way to do this? I looked in the "Postfix Howtos
and FAQs" page but there didn't seem to be any 'minimal' sort of
setups there. They also seemed rather old.
So, can I just install and configure Dovecot with Postifx delivering
mail to /var/mail?
... and is Dovecot the way to go?
Postfix's appears and I have to tune my filter
configuration slightly to remove them again! :-)
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Chris Green
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the mail is sent onwards
by the 'smarthost' at Gandi. Does it change the envelope sender to
something that an SPF record will be found for? Or does it get sent
on with the same envelope sender with the possibility that it will
then get marked as spam or something?
Anyway it seems I should add an SPF record for zbmc.eu at Gandi Internet
and I see they have a 'recommended' setting already there for me to use.
Thank you, it's all a bit clearer now.
--
Chris Green
On Sat, Jan 14, 2023 at 04:55:45PM +0100, Matus UHLAR - fantomas wrote:
> On 14.01.23 11:02, Chris Green wrote:
> >I use postfix on my home server and deliver mail by connecting to my
> >hosting providers' "smart host" using authenticated SMTP.
> >
> >My ho
SPF record
simply confirms the SMTP relay host's IP and that it is meant to be
relaying mail for that IP.
--
Chris Green
On Tue, Nov 22, 2022 at 03:03:09PM -0500, Wietse Venema wrote:
> Chris Green:
> > I have postfix installed on all of my systems and mostly they have at
> > least mailx as well which is handy for sending tests. However one
> > system doesn't even have mailx, do Ihave to
the basic postfix installation?
--
Chris Green
On Tue, Jan 18, 2022 at 07:52:23AM -0500, Wietse Venema wrote:
> Chris Green:
> > If I add a second line to .forward, e.g. make it something like:-
> >
> > | /home/chris/.mutt/bin/filter.py
> > | /home/chris/dev/bin/filter.py
> >
> > Then, if (
very carefully and lived with the odd undelivered message,
in general SMTP copes very well and resends. It would just be nice to
come up with a slightly more robust approach which would allow me to
to more major changes to filter.py with less risk.
--
Chris Green
y hosting service which is where most
of the domains that I actually use for my 'public' E-Mails reside.
For outgoing E-Mail my postfix server just sends everything out to my
ISP's 'smarthost'.
--
Chris Green
and the other
in France. As far as I'm aware they could all be hosted on the same
provider.
Surely it's the provider of the hosting who gets blacklisted not the
'name' of the host.
--
Chris Green
eed to read
> logs and/or get correct error messages out of your client. "Unable to
> connect" sounds like: I can't open a TCP connection, so it might be your
> routing.
>
> I don't even think this is Cyrus related, so your best bet is the
> Thunderbird support.
>
Yes, in my experience it's a pretty standard problem with Thunderbird.
--
Chris Green
On Sun, May 16, 2021 at 10:14:45PM +0200, Jaroslaw Rafa wrote:
> Dnia 16.05.2021 o godz. 13:58:22 Bob Proulx pisze:
> > Chris Green wrote:
> > > I am trying to debug it by connecting directly to port 25 on localhost
> > > using telnet and composing mail that way.
> &g
.py)
May 16 16:55:50 esprimo postfix/qmgr[1316]: 2AEBF2C01EB: removed
So what's the difference? I *guess* that something in between must be
rejecting the first
one for some reason.
--
Chris Green
ams that do
one thing well I've always used [nc]ftp on Unix and Linux systems.
--
Chris Green
# Debian GNU/Linux specific: Specifying a file name will cause the
# first line of that file to be used as the name. The Debian default
# is /etc/mailname.
#
#myorigin = /etc/mailname
--
Chris Green
On Fri, Feb 12, 2021 at 11:33:53AM -0500, Wietse Venema wrote:
> Chris Green:
> > Just a quickie, how do I configure /etc/hostname etc. for a system at
> > isbd.uk?
> >
> > It really *is* just isbd.uk:-
> >
> > chris$ host isbd.uk
> > isbd.uk
is just uk which doesn't work very well.
--
Chris Green
nation of things.
My filter currently relies on a single filtering string so it can't do
this but, on thinking about it, it wouldn't be that difficult to come
up with a 'double match' approach. However, whether it's worth the
effort I'm not sure, it's "good enough" at the moment.
--
Chris Green
On Thu, Feb 11, 2021 at 02:16:19PM -0700, Bob Proulx wrote:
> Chris Green wrote:
> > Matus UHLAR - fantomas wrote:
> > > >chris@isbdGandi$ more /etc/hosts
> > > >127.0.0.1 isbdGandi.isbd.uk isbdGandi isbd localhost
> > >
> > > no n
On Thu, Feb 11, 2021 at 07:26:27PM -0700, @lbutlr wrote:
> On 11 Feb 2021, at 12:56, Chris Green wrote:
> > On Thu, Feb 11, 2021 at 12:12:53PM -0700, @lbutlr wrote:
> >> On 11 Feb 2021, at 04:45, Chris Green wrote:
> >>> Yes, I think this is what it co
On Thu, Feb 11, 2021 at 12:12:53PM -0700, @lbutlr wrote:
> On 11 Feb 2021, at 04:45, Chris Green wrote:
> > Yes, I think this is what it comes down to, *something* needs to be
> > changed for each system. I was just hoping that postfix could use
> > something that was there
On Thu, Feb 11, 2021 at 11:36:24AM +0100, Matus UHLAR - fantomas wrote:
> > > On 10.02.21 15:55, Chris Green wrote:
> > > > I could just edit the value in each system, but then all the main.cf
> > > > files would be different.
>
> > On Wed, Feb 10, 2021 a
it sometimes.
--
Chris Green
On Wed, Feb 10, 2021 at 01:11:49PM -0700, Bob Proulx wrote:
> Chris Green wrote:
> > Viktor Dukhovni wrote:
> > > Chris Green wrote:
> > > > Local hostname doesn't have FQDN by default though:-
> > > >
> > > > chris@isbdGandi$ host
On Wed, Feb 10, 2021 at 02:13:22PM -0500, Viktor Dukhovni wrote:
> On Wed, Feb 10, 2021 at 05:41:49PM +0000, Chris Green wrote:
>
> > OK, what I want to do is as follows:-
> >
> > I have several headless machines which need to be able to send error
> > and other m
On Wed, Feb 10, 2021 at 10:37:15AM -0700, @lbutlr wrote:
> On 10 Feb 2021, at 10:05, Chris Green wrote:
> > but this doesn't seem to have worked. What am I doing wrong now? (I
> > have run 'newaliases').
>
> what does
>
> postconf -d myhostname mydomain myorigin
On Wed, Feb 10, 2021 at 12:17:47PM -0500, Viktor Dukhovni wrote:
> On Wed, Feb 10, 2021 at 05:05:52PM +0000, Chris Green wrote:
>
> This may be a good time to clearly (re)state what problem you're trying
> to solve, now that you're apparently able to assign the desired mydomain
>
On Wed, Feb 10, 2021 at 11:36:42AM -0500, Viktor Dukhovni wrote:
> On Wed, Feb 10, 2021 at 03:01:44PM +0000, Chris Green wrote:
>
> > Local hostname doesn't have FQDN by default though:-
> >
> > chris@isbdGandi$ hostname
> > isbdGandi
> &
On Wed, Feb 10, 2021 at 05:31:47PM +0100, Matus UHLAR - fantomas wrote:
> > > Dnia 10.02.2021 o godz. 15:10:09 Chris Green pisze:
> > > >
> > > > These systems are all systemd'ed so I can't just run postfix as above.
> > > > However will 'postc
On Wed, Feb 10, 2021 at 04:40:13PM +0100, Jaroslaw Rafa wrote:
> Dnia 10.02.2021 o godz. 15:10:09 Chris Green pisze:
> >
> > These systems are all systemd'ed so I can't just run postfix as above.
> > However will 'postconf "myhostname = $(dnsdomainname)"' actuall
On Wed, Feb 10, 2021 at 09:53:02AM -0500, Wietse Venema wrote:
> Chris Green:
> > On Wed, Feb 10, 2021 at 03:14:11PM +0100, Matus UHLAR - fantomas wrote:
> > > On 10.02.21 13:57, Chris Green wrote:
> > > > It would be really handy if I could get postfix to
On Wed, Feb 10, 2021 at 03:47:29PM +0100, Matus UHLAR - fantomas wrote:
> On 10.02.21 14:36, Chris Green wrote:
> > Apart from the TLS/SASL bits the main.cf for all these headless
> > systems is:-
> >
> >mydomain = zbmc.eu
> >myorigin = $mydomain
> &
On Wed, Feb 10, 2021 at 03:14:11PM +0100, Matus UHLAR - fantomas wrote:
> On 10.02.21 13:57, Chris Green wrote:
> > It would be really handy if I could get postfix to use the value
> > returned by the dnsdomainname command for its mydomain value as I
> > could then use
On Wed, Feb 10, 2021 at 03:03:47PM +0100, ludic...@gmail.com wrote:
> > Von: owner-postfix-us...@postfix.org Im
> > Auftrag von Chris Green
> > Gesendet: Mittwoch, 10. Februar 2021 14:57
> > An: postfix-users@postfix.org
> > Betreff: Can I get postfix to use wh
.
There isn't an 'include' type directive in postfix configuration so I
can't see any way of doing this by capturing the output of
dnsdomainname at startup and then including this in main.cf.
Has anyone else wanted to do anything like this and come up with a
solution?
--
Chris Green
your system. The user may not know
> how, but at this point all that remains is just security by obscurity.
>
Is some sort of sudo access possible, i.e. only the specific users you
want to enable are able to run the script with sudo privilege. The
/etc/sudoers file and associated configuration is somewhat arcane but
actually very flexible in what's possible.
--
Chris Green
On Thu, Jan 21, 2021 at 04:33:07PM -0500, Wietse Venema wrote:
> Chris Green:
> > I currently have mail for ch...@isbd.co.uk and c...@isbd.net forwarded
> > by my hosting service to a Postfix server on my desktop machine (which
> > is zbmc.eu). The Postfix configuration i
3.3, my desktop has version 3.5.6, am I
likely to encounter any problems with a similar main.cf on the older
version? I realise I have to change the myorigin, mydestination and
myhostname but I'm hoping that's basically all.
--
Chris Green
root and
a couple of other user accounts. However on the other (mostly
headless) systems on the LAN a way to catch *any* mail sent and fire
it off to me on my desktop is handy.
--
Chris Green
On Wed, Dec 09, 2020 at 04:55:13AM -0700, @lbutlr wrote:
> On 09 Dec 2020, at 03:00, Chris Green wrote:
> > On Wed, Dec 09, 2020 at 02:33:37AM -0700, @lbutlr wrote:
> >> On 08 Dec 2020, at 13:04, Chris Green wrote:
> >>> On Tue, Dec 08, 2020 at 12:39:07PM -0700, @
On Wed, Dec 09, 2020 at 02:33:37AM -0700, @lbutlr wrote:
> On 08 Dec 2020, at 13:04, Chris Green wrote:
> > On Tue, Dec 08, 2020 at 12:39:07PM -0700, @lbutlr wrote:
> >> On 08 Dec 2020, at 10:56, Chris Green wrote:
> >>> While I can look through the E-Mail h
On Tue, Dec 08, 2020 at 10:36:48PM +0100, Luciano Mannucci wrote:
> On Tue, 8 Dec 2020 20:03:27 +
> Chris Green wrote:
>
> > > root:*:0:0:Charlie Baobab &:/root:/bin/csh
> > >
> > So does anything in the GCOS field appear in the From: header?
&
On Tue, Dec 08, 2020 at 07:36:57PM +0100, Luciano Mannucci wrote:
> On Tue, 8 Dec 2020 17:56:33 +
> Chris Green wrote:
>
> > So, is there something I can configure in postfix to always add some
> > text of some sort (the hostname is the obvious thing) to one of From
normally see (From:, To: and Subject:) include
something that indicates where the message is from.
So, is there something I can configure in postfix to always add some
text of some sort (the hostname is the obvious thing) to one of From:,
To: or Subject: ?
--
Chris Green
On Mon, Dec 07, 2020 at 02:34:14PM +, Dominic Raferd wrote:
> On 07/12/2020 13:11, Chris Green wrote:
> > On Mon, Dec 07, 2020 at 01:01:16PM +0000, Chris Green wrote:
> > [snip]
> >
> > >
> > > While I'm about it why am I getting identical mail.log an
On Mon, Dec 07, 2020 at 01:01:16PM +, Chris Green wrote:
[snip]
>
> Presumably this means there's a SASL/TLS library I need to install on
> the Pi, can anyone tell me what it is please. Oh, I have run 'postmap
> /etc/postfix/sasl_passwd' on both systems.
>
Typical! Almost im
anyone tell me what it is please. Oh, I have run 'postmap
/etc/postfix/sasl_passwd' on both systems.
While I'm about it why am I getting identical mail.log and mail.info
files created in /var/log on the Pi?
--
Chris Green
On Sun, Dec 06, 2020 at 12:09:06PM -0500, Wietse Venema wrote:
> Chris Green:
> > I run postfix on my main desktop machine both for sending mail (via my
> > hosting provider 'smarthost') and for receiving mail.
> >
> > I want to use postfix to provide /usr/bin/sendma
configurations'
question as one can set myorigin = /etc/mailname in every system and
just set /etc/mailname to the required name on each system.
I couldn't find any reference to this (use of a file) in man 5 postconf.
--
Chris Green
On Sun, Dec 06, 2020 at 05:24:39PM +0100, Jeff Abrahamson wrote:
> On 06/12/2020 16:44, Chris Green wrote:
> > On Sun, Dec 06, 2020 at 04:18:13PM +0100, Julian Kippels wrote:
> >> Am Sun, 6 Dec 2020 15:10:12 +
> >> schrieb Chris Green :
[snip]
> >> Might
On Sun, Dec 06, 2020 at 04:18:13PM +0100, Julian Kippels wrote:
> Am Sun, 6 Dec 2020 15:10:12 +
> schrieb Chris Green :
>
> > I run postfix on my main desktop machine both for sending mail (via my
> > hosting provider 'smarthost') and for receiving mail.
> >
machine for it to work? Does *anything* need to be
different?
--
Chris Green
wrong?
>
> only if 192.168.1.20 was in your mynetworks list, and it is not.
>
Correct! I should have looked at main.cf a bit harder.
Anyway, thanks for all the answers Matus, as you can see I'm am more
of a Postfix 'user' than anything else. :-) (At least I managed to
provide all the information needed!)
--
Chris Green
d_maps = hash:/etc/postfix/sasl_passwd
message_size_limit = 12048
compatibility_level = 2
Shouldn't that permit_mynetworks allow E-Mail from 2820n.zbmc.eu[192.168.1.20]
as it does allow it from pibackup.zbmc.eu[192.168.1.108]? Can anyone
suggest what might be wrong?
--
Chris Green
whatever you need (home system,
virtual host, whatever) but the MX record is left pointing at the
hosting company's mail servers. It's quite a rarity in the general
run of things that the MX record gets changed.
--
Chris Green
On Sat, Feb 15, 2020 at 09:23:18PM +, Chris Green wrote:
> On Sat, Feb 15, 2020 at 01:53:37PM -0500, Ian Evans wrote:
> > > [2]https://marlam.de/msmtp/
> > >
> > I'm not totally convinced that any of the simple/null mailers does
> > the
&
gt; configuration, it has 'just worked' ever since.
> --
> Chris Green
>
>Thanks. Getting back to another part of my question, it's a bit unclear
>what I should set as the myhostname and mydomain in the config files.
>The machine name is buster. But its
ail telling me. After trying several 'simple'
mailers I ended up installing Postfix and, after somw quite simple
configuration, it has 'just worked' ever since.
--
Chris Green
iltered, to
an off-site system using my hosting service's mail forwarding.
I can at least ready all my E-Mail there. I actually turned this
off recently because I so rarely needed it, maybe I should turn it
back on.
Anything else?
Thanks for the feedback so far, all useful stuff.
--
Chris Green
wn,
>especially as MUAs do not necessarily (or ever?) wait and retry.
>
Not really an issue for me, I'm the only user of the local postfix and
I can send mail from elsewhere if I get desperate.
--
Chris Green
a backup machine here at home
with Postfix configured on it to take over if I know I'm doing an
upgrade on the main machine. All I would need to do to swap would be
to change the port forwarding destination on my router. Does anyone
here do something like this and are there any 'gotchas'?
--
Chris
On Sun, Apr 07, 2019 at 10:01:15PM +0200, Ralph Seichter wrote:
> * Chris Green:
>
> > However, as you can see in the headers here, there are still
> > references to esprimo.zbmc.eu in my outgoing E-Mail headers.
>
> Actually, I can't see that. ;-) What I do see is that
On Sun, Apr 07, 2019 at 08:23:59PM +0200, Ralph Seichter wrote:
> * Chris Green:
>
> > At the moment (and it's been that way for some years) I have
> > myhostname in main.cf set as follows:-
> >
> > myhostname = esprimo.zbmc.eu
>
> That's fine. Use http://www.
LAN? On my LAN I see:-
root@esprimo# host zbmc.eu
zbmc.eu has address 192.168.1.3
root@esprimo# host esprimo.zbmc.eu
esprimo.zbmc.eu has address 127.0.0.1
root@esprimo#
--
Chris Green
On Tue, Jan 09, 2018 at 08:55:11AM -0500, Viktor Dukhovni wrote:
>
>
> > On Jan 9, 2018, at 4:48 AM, Chris Green <c...@isbd.net> wrote:
> >
> > “When this constraint is violated, or any of the digest records *IS*
> > malformed,
> > d
gility will *BE* disabled”
>
Strictly correctly it should be:-
“When this constraint is violated, or any of the digest records *IS* malformed,
digest algorithm agility will *BE* disabled”
... but that's just me being pedantic. :-)
--
Chris Green
On Fri, Dec 01, 2017 at 01:29:21PM -0600, Noel Jones wrote:
> On 12/1/2017 12:19 PM, Chris Green wrote:
>
> > Is there much risk if I open up port 25 to any IP address? I have it
> > this way at the moment and there are only a few (as in ten or a dozen)
> > rogu
On Fri, Dec 01, 2017 at 08:43:08PM +0100, Matus UHLAR - fantomas wrote:
> On 01.12.17 18:19, Chris Green wrote:
> > I have run postfix for a number of years on my home (xubuntu) server
> > machine with my router firewall limiting connections on port 25 to
> > just the range
On Fri, Dec 01, 2017 at 02:42:44PM -0500, Viktor Dukhovni wrote:
>
>
> > On Dec 1, 2017, at 1:19 PM, Chris Green <c...@isbd.net> wrote:
> >
> > I have run postfix for a number of years on my home (xubuntu) server
> > machine with my router firewall limitin
I have!). If I leave things the way they are with port 25 open
to anyone are there any other precautions I can take or regular things
to check? Is there even some sort of utility like fail2ban that works
with postfix (can't be exactly the same as there's no password
involved).
--
Chris Green
On Thu, Aug 17, 2017 at 02:24:45PM +0100, Allen Coates wrote:
>
>
> On 17/08/17 13:38, Chris Green wrote:
> > I run Postfix on a home server which is on all the time of course but,
> > as it's connected via a 'domestic' broadband service it's not a 100%
> > reliable
stem) to another (not at home) system into an
unfiltered/unsorted mailbox so anything urgent I can extract from
there if necessary.
--
Chris Green
On Thu, Aug 17, 2017 at 08:49:20AM -0400, Tanstaafl wrote:
> On 8/17/2017, 8:38:18 AM, Chris Green <c...@isbd.net> wrote:
> > What sort of strategies are available for coping with the (rare)
> > disconnections of a few hours that occasionally occur? I know that
> > SMT
On Thu, Aug 17, 2017 at 01:38:18PM +0100, Chris Green wrote:
> This is a fairly naive and open-ended question I'm afraid but I'm sure
> others here may have similar setups and thus have answers.
>
> I run Postfix on a home server which is on all the time of course but,
> as it'
be welcome, even "don't bother the SMTP
back-off works well enough".
--
Chris Green
p. Can
anyone suggest where I might ask?
--
Chris Green
On Sat, Feb 18, 2017 at 12:06:49PM -0600, /dev/rob0 wrote:
> On Sat, Feb 18, 2017 at 05:43:03PM +0000, Chris Green wrote:
> > I am trying to diagnose why messages from on system fail to arrive
> > whereas identical messages from another similar system arrive
> > successfully.
OK, but the messages in the mail.log are the same as above.
--
Chris Green
On Sat, Feb 18, 2017 at 11:30:08PM +1300, Peter wrote:
> On 18/02/17 22:56, Chris Green wrote:
> > The older (2.9.6) and newer (3.1.0) postfix versions that I'm using
> > are connecting to the same smarthost. I don't seem to be able to
> > connect from the 3.1.0 version to t
On Fri, Feb 17, 2017 at 06:11:44PM -0500, Viktor Dukhovni wrote:
>
> > On Feb 17, 2017, at 5:33 PM, Chris Green <c...@isbd.net> wrote:
> >
> > OK, so the older version is using SMTP STARTTLS which runs on port 587
>
> This is how TLS has worked in MTA-to
On Fri, Feb 17, 2017 at 05:24:54PM -0500, Viktor Dukhovni wrote:
>
> > On Feb 17, 2017, at 10:43 AM, Chris Green <c...@isbd.net> wrote:
> >
> > Ah, I've maybe just spotted the reason, smtp_tls_wrappermode is new in
> > postfix 3, is that what makes the difference
On Fri, Feb 17, 2017 at 07:35:42PM +, Chris Green wrote:
> [snip long message]
>
> Sorry about the duplicate, you can see I really am having trouble with
> my E-Mail! :-)
>
... and I'm talking rubbish anyway, I've got two subscriptions! Aarrgghh!!
--
Chris Green
[snip long message]
Sorry about the duplicate, you can see I really am having trouble with
my E-Mail! :-)
--
Chris Green
t installation set-up between the Debian on the Pi and
Xubuntu on the other machine?
Ah, I've maybe just spotted the reason, smtp_tls_wrappermode is new in
postfix 3, is that what makes the difference? I'd still like a simple
explanation though! :-)
--
Chris Green
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