Am 13.05.25 um 19:54 schrieb Dmitriy Alekseev via Postfix-users:
Postfix not the right tools for doing such filtration, it's MTA, not
antispam or reputation system. Fighting outbound spam is not an easy
task and requires continuous human resources no matter how your antispam
is good, while send
Am 17.03.25 um 07:21 schrieb Paul Neuwirth via Postfix-users:
On Sun, 16 Mar 2025 17:29:00 +0100
Jaroslaw Rafa via Postfix-users wrote:
Dnia 16.03.2025 o godz. 15:51:42 Paul Neuwirth via Postfix-users
pisze:
Yes that's the problem. It should work like that (and does now - see
further below):
Am 14.01.25 um 09:11 schrieb Christian Rößner via Postfix-users:
Hello,
I have written a lightweight HTTP proxy for Postfix socket maps and policy
services.
DESCRIPTION
pfxhttp is a lightweight HTTP proxy seamlessly integrated with Postfix,
enabling communication with external HTTP-ba
Am 13.09.2023 um 02:54 schrieb DL Neil via Postfix-users:
Have been updating the .cf files (mostly ciphers, but also...)
Our old friend "UGFzc3dvcmQ6" is back.
(previously bounced-off without appearing in daily pflogsumm)
Grrr!
...
unknown[146.247.146.134]: SASL LOGIN authentication failed: UG
Am 22.06.23 um 19:18 schrieb Steffen Nurpmeso:
Robert Schetterer wrote in
:
|Am 22.06.2023 um 13:58 schrieb André Rodier via Postfix-users:
...
|> Shortly after it has been setup, I see brute force attacks (not
|> surprising) from a whole /24 network (more surprising).
...
Am 22.06.2023 um 13:58 schrieb André Rodier via Postfix-users:
Hello, all.
I just set-up a new server, running postfix, with submission(s)
activated on standard ports (587, 465)
Shortly after it has been setup, I see brute force attacks (not
surprising) from a whole /24 network (more surpris
Am 07.03.23 um 20:32 schrieb Charles Sprickman:
On Mar 7, 2023, at 1:14 PM, Robert Schetterer via Postfix-users
wrote:
Am 07.03.23 um 18:57 schrieb Patrick Ben Koetter via Postfix-users:
* toganm--- via Postfix-users :
Maybe it would have been a better idea to check if the mail server is
Am 07.03.23 um 18:57 schrieb Patrick Ben Koetter via Postfix-users:
* toganm--- via Postfix-users :
Maybe it would have been a better idea to check if the mail server is listed
in any rbl sites. For one it is listed in Abusix and my server is rejected it
as a result
What makes you believe the
Am 24.05.22 um 16:14 schrieb Dan Mahoney:
Hey all,
Is there a milter of some sort that I can configure to reject (for some to:
addresses) at the end of DATA, but still forward the mail on? Im dealing with
some deleted users who both got a lot of spam, but also were in the critical
path for t
Am 06.05.22 um 11:04 schrieb Víctor Rubiella Monfort:
Thanks for the proposals, the main problem is accounts names and domains
could be totally different. I'm reconsidering this approach to add only
selected accounts to able to cross domains, simplifing automation and
increasing security. Altho
Am 24.02.21 um 23:29 schrieb Wietse Venema:
j...@nunyuh.net:
I've purposefully held off on responding to any of this but if the
devs\list-owners are fine with the community converting this into a
forum about race + software & computer terms, albeit temporarily, then
fine - let's "damn the torped
Am 21.03.20 um 10:25 schrieb Wesley Peng:
Hello
On desktop I always use Thunderbird for MUA.
Thunderbird is clean and lite, handling protocol well.
But for mobile (I primarily use iOS), I couldn't find a good MUA to use.
I tried almost every release on appStore (outlook, edison, bluemail,
sp
Am 21.11.2019 um 09:01 schrieb Wesley Peng:
Hello
I saw a trend that, every ESP has taken hard work on antispam policy.
For example, from my test cases:
1. gmail totally can't be registered from PC, only mobile client (gmail,
outlook etc) can sign up a new username. they require mobile
verifi
Am 07.10.19 um 07:11 schrieb martin f krafft:
Quoting "Wietse Venema", who wrote on 2019-10-06 at 19:13 Uhr -0400:
Perhaps the SMTP client IP address 2001:db8:bad::cafe:: has no PTR
record (or the name does not resolve to 2001:db8:bad::cafe::).
Good point, but the address has a PTR record to a
Am 27.08.19 um 18:45 schrieb Linda Pagillo:
Good day everyone. Quick question and please forgive me if this is
redundant. I have a Postfix server running on CentOS7 and I use Webmin
to manage it. Is there a way for me to set up and configure DKIM using
Webmin? I have been searching Google and t
Am 17.03.19 um 20:59 schrieb Erwan David:
Le 17/03/2019 à 13:44, Czarek a écrit :
Check if you are not an open relay. Configure SPF, DKIM, DMARC
and Reverse DNS.
Than contact to the spam lists.
Here you can check where your IP is listed.
Rgds
Wesley.
In my case thaere is no spam list, I am n
Am 17.03.19 um 08:44 schrieb Matthew McGehrin:
Hi Johannes,
Gone are the days of being able to send normal emails to these
providers. They use automated algorithms that block your email
automatically. Your IP reputation has a lot to do with it as well, along
with the IPs in your /24. For exam
Am 21.02.19 um 17:03 schrieb Matus UHLAR - fantomas:
On 21.02.19 10:36, Edouard Guigné wrote:
My mail server is intalled in a old deprecated linux version (debian
5.0) with postfix 2.5.5
oh... debian 7.0 is not supported for (nearly) a year, 6.0 for three
years,
5.0 for seven years (debian
Am 22.12.18 um 07:55 schrieb Stefan Bauer:
nights later, a better approach seems to have a policy service that does
the tls pre-checking.
long time ago i wrote this
https://blog.sys4.de/recipient-verification-tls-mandatory-modus-en.html
perhaps it helps
Something like this already around?
Am 11.10.2018 um 17:47 schrieb pg...@dev-mail.net:
> On Thu, Oct 11, 2018, at 2:37 AM, Robert Schetterer wrote:
>> http://dkimproxy.sourceforge.net/ "may"
>> help for this case
>
> In principle. Tho, not clear yet on whether I want/prefer a milter or proxy.
&g
Am 11.10.2018 um 10:51 schrieb Matus UHLAR - fantomas:
On 11.10.18 13:35, Илья Шипицин wrote:
we use opendkim (somehow it does not crash for us, yes, I seen many
unresolved issues).
however, I'd like to raise another question :)
opendkim is attached to postfix via milter. it is pain.
under high
y of
>>> message
>>> > id ..."
>>> >
>>> > any suggestion ?
>
>> сб, 29 сент. 2018 г. в 16:21, Wietse Venema :
>>> Open a web search engine, ask for for 'logfile analysis tools'.
>
http://sareport.darold.net/
ls_cert_file = /etc/postfix/ssl/triata.pem
> smtpd_tls_key_file = /etc/postfix/ssl/triata.key
> smtpd_tls_received_header = no
> smtpd_tls_security_level = may
> smtpd_tls_session_cache_database =
> btree:/var/spool/postfix/smtpd_tls_session_cache
> transport_maps = mysql:/etc/
ents. Is there any
> other way to do than using a milter?
>
> Thanks for your advices.
>
> André
>
Best Regards
MfG Robert Schetterer
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exist too ?
>
> I don't need user to be able to write as another user, so simple
> variable comparison like '$sasl_user == $mail_from' would be a prefect
> match.
>
>
> Thanks in advance.
>
> --
>
> Best regards,
> Mate200
>
>
do want so
mailbox quota, also the blog is
old ,things may have changed , you may should cover the used port by vpn
, ssltunnel etc
more
https://www.dovecot.org/list/dovecot/2016-July/104830.html
https://wiki2.dovecot.org/Quota
Best Regards
MfG Robert Schetterer
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é um dos destinatários aos quais
> ela foi endereçada, por favor destrua-a e a todos os seus eventuais
> anexos ou copias realizadas, imediatamente.
> É proibida a retenção, distribuição, divulgação ou utilização de
> quaisquer informações aqui contidas.
> Por favor, informenos sobre
te.com/>
> Architecture for Real Enterprises
> <https://www.infoworld.com/blog/architecture-for-real-enterprises/> at
> InfoWorld
> On Slippery Ice <https://eapj.org/on-slippery-ice/> at EAPJ
>
are you informed about dkim,spf,dmarc ?
Do you relay for third party
.,rethink of your
whole mail design , look at your logs then choose the tool or tec which
design fits best for desired task
Best Regards
MfG Robert Schetterer
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tils
some blog
https://sys4.de/de/blog/2014/01/12/imap-weiterleitungen-mit-pop3toimap-als-ersatz-fur-smtp-weiterleitungen/
Best Regards
MfG Robert Schetterer
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erhaps then no need for maildrop/procmail anymore, depends what you
goal add dovecot / sieve
Best Regards
MfG Robert Schetterer
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Vorsta
sys4.de/de/blog/2014/03/27/fighting-smtp-auth-brute-force-attacks/
https://sys4.de/de/blog/2012/12/28/botnets-mit-rsyslog-und-iptables-recent-modul-abwehren/
Best Regards
MfG Robert Schetterer
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nd 821).
>
I think the question might be : is
reject_unknown_helo_hostname rfc alike today, it wasnt in the past
postfix faqs are only pointing
on
reject_non_fqdn_helo_hostname for rfc
additional
reject_invalid_helo_hostname is acceptable in real world setups
Best Regards
MfG Robert Schett
curity signatures, rspamd
Best Regards
MfG Robert Schetterer
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Best Regards
MfG Robert Schetterer
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Am 05.03.2017 um 17:16 schrieb Maurizio Caloro:
> But you here in this Thread have you all three possiblities installed?
> - SPF, DMARC, and DKIM ?
yeah all full implemented
Best Regards
MfG Robert Schetterer
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Am 05.03.2017 um 16:27 schrieb Michael Neurohr:
> On 2017-03-05 10:01, Robert Schetterer wrote:
>> Am 05.03.2017 um 09:11 schrieb Robert Schetterer:
>>>
>>> Hi Viktor, seems that hotmail etc has included some new antispam
>>> procedures and now blocks big ip ra
Am 05.03.2017 um 09:11 schrieb Robert Schetterer:
> Am 04.03.2017 um 23:18 schrieb Viktor Dukhovni:
>>
>>> On Mar 4, 2017, at 4:50 PM, Maurizio Caloro wrote:
>>>
>>> If i send any mail go @hotmail this will never arrive, but Postfix Log are
>>> here
would help
> your mail not get junked.
>
Hi Viktor, seems that hotmail etc has included some new antispam
procedures and now blocks big ip ranges ( i.e Hetzner ) , spf, dkim etc
does not help
i filled out a form to get my servers ip open again , however their
whole new antispam seems s
communicate with it?
>
> Thanks for any feedback
>
> Mauri
>
>
as long you have a mail app that does smtp , imap, pop3
this should work
found by google
http://support.blackberry.com/kb/articleDetail?ArticleNumber=10154
Best Regards
MfG Robert Schetterer
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hm perhaps try with header checks on reply-to headers action transport
but i think that can result in unwanted routings cause in standard every
mail will pass header checks...wait for list better ideas
Best Regards
MfG Robert Schetterer
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Schle
is not visible as new features (thought there
> still are enough to make an upgrade worthwhile), but happens behind
> the scenes as improvements to internal code, and updated tests to
> ensure that future changes won't inadvertantly break something.
>
> Wietse
>
crazy, but maybe I don't understand the risks well enough.
some freemailers have a limit of 10 MB, so its perhaps a good choice to
set it for outgoing external mail, for inside a higher amount up to 50
sometimes makes sense
Best Regards
MfG Robert Schetterer
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Am 21.08.2016 um 19:01 schrieb Benny Pedersen:
> On 2016-08-21 18:48, Robert Schetterer wrote:
>
>>> does dns servers support it aswell as idn ?
>> sombody checked modoboa ?
>
> somebody created a ebuild for it ?
>
> i still miss your gentoo-overlay name :=)
&
putf8 work imho
>
> and yes it being a problem for so long, that i just hack it to
> postfixadmin adding the idn dns name to mysql, and it works, personly i
> dont need smtputf8 here
>
> does dns servers support it aswell as idn ?
>
>
>
sombody checked modoboa ?
Am 21.08.2016 um 14:13 schrieb Wietse Venema:
> Robert Schetterer:
>> Am 21.08.2016 um 05:10 schrieb Steve Atkins:
>>> I find I need to extract a list of deliveries, and delivery attempts, from
>>> postfix logs. Ideally I'd like to feed /var/log/mail.log i
> message-id} for every email.
>
> Does anyone know of a log analyzer or some other script that'll do that?
>
> Cheers,
> Steve
>
http://linux.die.net/man/1/pflogsumm
https://github.com/benningm/saftpresse
https://sourceforge.net/projects/logwatch/
Best Regards
MfG
For example, if a DMARC policy query for "blue.example.com" contained
"rua=mailto:repo...@red.example.net";, the host extracted from the
latter ("red.example.net") does not match "blue.example.com", so this
procedure is enacted. A TXT query for
"
orried about doing.
>
> Thanks,
>
> Ben
>
Best Regards
MfG Robert Schetterer
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r problem
exactly
Best Regards
MfG Robert Schetterer
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t not found, try again.
>
> $ host 2.0.0.127.bl.mailspike.net
> 2.0.0.127.bl.mailspike.net has address 127.0.0.2
> 2.0.0.127.bl.mailspike.net has address 127.0.0.10
>
>> On 21/07/16 20:54, Dominik Chilla wrote:
>
> Aloha mai Nai`a.
>
same here, i disabled bl.mailsp
Am 20.07.2016 um 19:20 schrieb Christian Rößner:
>
>> Am 20.07.2016 um 17:59 schrieb Robert Schetterer :
>>
>> Am 20.07.2016 um 09:17 schrieb Christian Rößner:
>>> Hi,
>>>
>>> I was interested which spamassassin (including dspam) and rspamd rules a
ure
spamass-milter but however very good idea
Best Regards
MfG Robert Schetterer
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try:
>
> https://signing-milter.org (Thanks to Andreas Schulze for the home)
>
> Code: https://github.com/croessner/sigh
>
> Feedback very welcome
>
> Christian
>
Hi Christian, do you plan SMIMEA Support on the long run ?
https://tools.ietf.org/html/draft-ietf-dane-smim
Am 09.07.2016 um 19:40 schrieb Lefteris Tsintjelis:
> On 09 Jul 2016, at 19:34, Robert Schetterer wrote:
>
> Am 09.07.2016 um 17:07 schrieb Lefteris Tsintjelis:
>> Is this a good postfix way to stall attackers (besides log parsing and
>> fire walling)? Bots are increasing dr
abwehr-des-botnets-pushdo-cutwail-ehlo-ylmf-pc-mit-iptables-string-recent-smtp/
additional fail2ban, but log parse was to slow at my side
and for sure use postscreen
if they love you , dont expect any better time with whatever solution
you use, but if youre in luck its only a wave
Best Regards
MfG
Am 22.05.2016 um 19:00 schrieb Phil Stracchino:
> On 05/22/16 12:30, Robert Schetterer wrote:
>> loose mail means silent discard, this should never happen
>> you might not get the mail or some bounce ,but there is less you can do
>> with "broken" forwarders in any ca
t discard, this should never happen
you might not get the mail or some bounce ,but there is less you can do
with "broken" forwarders in any case.
If someone decides to act as forwarder he has to honor existing
dkim/dmarc/spf cases
Best Regards
MfG Robert Schetterer
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http
make detection of these identification methods more automatic.
>
> Hats off to programmers for providing/maintaining tools that the masses don't
> appreciate.
>
Best Regards
MfG Robert Schetterer
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ed it on relays , and limited the funkcions of the module
to do very small changes on a few tables for total postfix ignorant
users, you shouldnt use it as a general config tool
>
> -Tom
Best Regards
MfG Robert Schetterer
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Franziska
e compilation options in the spec
> file to fit our build needs. (Yet, I cannot pretend I am the best of
> builders around. If I continue with these sRPMs, I might have to contact
> the author for some assistance.)
>
> So, the issue still remains open to me.
>
> All the be
If someone can advise me on this subject, I would appreciate any and all
> feedback.
>
> Thanks in advance.
>
> All the best,
> Nick
http://repo.mailserver.guru/7/os/x86_64/repoview/postfix.html
http://repo.mailserver.guru/7/os/x86_64/Packages/postfix-2.11.6-1.el7.centos.x86_6
ork at migrate
>
>>> The problem is already solved by Allen Coates. :-)
>>
>> what problem ?
>
> "how to configure smtpd to close connection after 3 authentication error"?
> http://article.gmane.org/gmane.mail.postfix.user/254364
>
> Gabor
>
NOT drop the connection until at least 3 attempts to
>>authenticate have failed.
>>
>> The affected Postfix version is 2.11.3, our old MTA.
>> The new one is not found yet by the bad guys.
>>
>> Regards
>>
>> Gabor
>
>
Best Regards
hem or simply reject at the start
when you recieve it, and only if your customer ordered you to do so
but in general you are not allowed to burn otherones letters
Best Regards
MfG Robert Schetterer
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Am 31.01.2016 um 18:04 schrieb Ron Garret:
>
> On Jan 31, 2016, at 1:28 AM, Robert Schetterer wrote:
>
>> Am 31.01.2016 um 09:56 schrieb Ron Garret:
>>> Hello,
>>>
>>> What is the usual way to start a milter process? Can postfix be configured
>>
> rg
>
milters are usually seperate services
Best Regards
MfG Robert Schetterer
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Aufsich
lbox saving the mails at the wrong time.
> Please can someone help me if something have to be done regarding this
> issue?
> Thanks
>
do you mean issue to fix with this plugin ?
https://addons.mozilla.org/de/thunderbird/addon/imap-received-date/?src=search
Best Regards
MfG Robert Schett
ailbox_base = /usr/local/virtual
virtual_minimum_uid = 1001
virtual_uid_maps = static:1001
virtual_gid_maps = static:1001
both postfix an dovecot have more data in sql
so its a question of "design" what you want
Best Regards
MfG Robert Schetterer
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http://s
try google
dovecot postfix ubuntu
to find masses of step by step instructions
also
http://wiki2.dovecot.org/HowTo
should help and for sure the well done postfix doku
>
>
> Am 30.12.2015 um 23:02 schrieb Robert Schetterer:
>> Am 30.12.2015 um 21:47 schrieb Dennis Steinkamp:
&
dont know if it covers your needs
>
> Thank you for answering.
>
> Dennis
Printed books in general can t be up2date these days
as both projects postfix and dovecot are very active
but they can teach basics
Best Regards
MfG Robert Schetterer
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ern/
sorry german only
Best Regards
MfG Robert Schetterer
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;> client=sage.inside.example.com[192.168.1.
>> 7], sasl_method=PLAIN, sasl_username=alex
>> Dec 13 21:57:00 orion postfix/auth-cleanup/cleanup[30346]:
>> DE862A60121: message-id=<566e2ffc.20...@example.com>
>>
>> I'm not very good with regular expressions.
;> client=sage.inside.example.com[192.168.1.
>> 7], sasl_method=PLAIN, sasl_username=alex
>> Dec 13 21:57:00 orion postfix/auth-cleanup/cleanup[30346]:
>> DE862A60121: message-id=<566e2ffc.20...@example.com>
>>
>> I'm not very good with regular expre
haps you wanna poke with this
https://sys4.de/de/blog/2014/03/27/fighting-smtp-auth-brute-force-attacks/
https://sys4.de/de/blog/2012/12/28/botnets-mit-rsyslog-und-iptables-recent-modul-abwehren/
http://blog.schaal-24.de/firewall/postfix-postscreen-ip-in-die-firewall-eintragen/
Best Regards
MfG R
Am 10.09.2015 um 10:47 schrieb Peter:
> What you don't want to do is run postscreen and postgrey on the same
> system.
you can do it if you use i.e postgrey very selective
but for sure portscreen leaves not very much for postgrey
Best Regards
MfG Robert Schetterer
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Am 10.09.2015 um 08:37 schrieb Robert Chalmers:
> I’m currently running postscreen, and am wondering how I would add
> spamassassin to the main.cf configuration, or are they mutually exclusive?
>
>
no problem works nice , perhaps use it as milter
Best Regards
MfG Rober
ackage it may be possible futher
> improve the updated package and do an non-maintainer upload.
Yes, yes, yes Debian/Ubuntu should go Postfix 3.x soon
Best Regards
MfG Robert Schetterer
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dex.html
Best Regards
MfG Robert Schetterer
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Am 28.08.2015 um 20:28 schrieb Forrest:
> On 8/28/15 2:09 PM, Robert Schetterer wrote:
>> Am 28.08.2015 um 20:03 schrieb Forrest:
>>> I've become used to the script kiddies sending out large connection
>>> requests (I do have a threshold set). They are ab
>
> I do block the IP spaces when I see this, which is a no-brainer. But I
> wonder how others are mitigating this activity. Pointers, advice
> welcomed (and thanks in advance).
>
>
> _F
>
>
if youre the only user, postscreen and fail2ban should be fine
Be
Am 28.08.2015 um 19:56 schrieb Per olof Ljungmark:
>
>
> On 2015-08-28 19:55, Robert Schetterer wrote:
>> Am 28.08.2015 um 19:46 schrieb Per olof Ljungmark:
>>> On 2015-08-28 18:07, Viktor Dukhovni wrote:
>>>> On Fri, Aug 28, 2015 at 05:59:08PM +0200, Per
; Content-Description: Endast text-meddelande
> Content-Disposition: inline
> Content-Transfer-Encoding: 8bit
>
> As my knowledge sort of ends here I will ask our sysadmin Monday to look
> over what is coming out of IMP, but I seriously doubt that it is
> anythi
fore relaying it into the internal host.
>
depends on your network/firewall setup you may simply use sql as before
, another option use smtp verify, or create
static tables at/from sql change time with secure copy etc
Best Regards
MfG Robert Schetterer
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[*] sys4 AG
http://sys4.de, +49 (89)
6B731HQXCHA402bes_";
> type="multipart/alternative"
> MIME-Version: 1.0
>
> Any ideas greatly appreciated.
> Thanks,
> Alex
>
https://de.wikipedia.org/wiki/Sender_Rewriting_Scheme
perhaps with fedora read
https://www.mind-it.info/forward-
a script in Python... to do the re-writes if necessary)
>
> Any advice is welcomed. Thank you all in advance.
>
Best Regards
MfG Robert Schetterer
--
[*] sys4 AG
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x27;ve an hotmail.it account and no email has come (also inside spam/junk).
>
> thanks
>
> Pol
>
http://mail.live.com/mail/policies.aspx
Best Regards
MfG Robert Schetterer
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rust failure
your mail was delivered to hotmail, ask them what happened to it
perhaps it went to some Junk folder etc
Best Regards
MfG Robert Schetterer
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[*] sys4 AG
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e requirment .
>
if ve written a blog which might help, but does not exact match
what you want , but it should help with mail routing basics
https://sys4.de/de/blog/2015/05/04/postfix-gateway-virtual-bcc-multiplicator/
additional read docs from victors advice !!!
Best Regards
MfG Robert Schett
.html
> Sent from the Postfix Users mailing list archive at Nabble.com.
>
read
http://www.postfix.org/ADDRESS_REWRITING_README.html#auto_bcc
http://www.postfix.org/postconf.5.html#recipient_bcc_maps
Best Regards
MfG Robert Schetterer
--
[*] sys4 AG
http://sys4.de, +49 (89) 30 90 46 64
Fra
is they use differing responses based on
> some criteria about a spammer. Is that useful to Postfix?
>
show the log related to that host, show the whole main.cf
Best Regards
MfG Robert Schetterer
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[*] sys4 AG
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Franziskanerstraße 15, 81669 M
generate strong random passwords for submission
> users, these are not passwords users type in very often. The MUA
> will store the password, so there's no reason to have a "memorable"
> one. This also avoids passwords that are used at multiple sites
> and get compromi
07/mailarchiv-mit-dovecot-und-postfix-sortiert-nach-datum-mailadressen-und-ein-ausgehend-unterordnern/
sorry german only , but tec side should be understandable anyway
Best Regards
MfG Robert Schetterer
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[*] sys4 AG
http://sys4.de, +49 (89) 30 90 46 64
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Sitz d
can find it in third-party resources (RPM and DEB file).
>
> Just out of curiosity, what happened to *original* download link
> http://postfix.state-of-mind.de/patrick.koetter/saslfinger/ ?
>
I think it moved or is in migration, stay tuned for more info
Best Regards
MfG Robert Schet
Wietse
>
"perhaps" milter-manager can do it to
http://milter-manager.sourceforge.net/reference/configuration.html
Best Regards
MfG Robert Schetterer
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[*] sys4 AG
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no dovecot-lda on the
> Postfix VM.
>
> Please give a tip.
> Thanks in advance!
use lmtp
see
https://sys4.de/de/blog/2014/11/17/sicheres-lmtp-mit-starttls-in-dovecot/
but you should not do it via internet link ( however ssl is now possible
), setup additional private network interfac
to do so that my smtp don't receive those mail and won't get
> black listed.
>
> Please help.
>
> Regards.
>
> Tuhin.
> Dhaka. BD.
>
do strong outgoing spam filtering, i.e with clamav-milter, spamassassin
, or as framework amavis
Best Regards
MfG
a with .
> oh ..
>
> .
> 250 2.0.0 Ok: queued as 7F1EA1B3D454
> quit
> 221 2.0.0 Bye
> Connection closed by foreign host.
>
>
>
> Thank you
>
> Carl
>
>
>
and where is your postfix conf..?
read i.e
http://de.postfix.org/httpmirror/postconf
will spam-tag perfect mail from new
> domains and/or new IP addresses, especially if a "large" amount of
> mail shows up from that new domain or IP. For some undefined value
> of large.
>
> See if you can sign up for the bulk mail feedback loop or whatever
> bulk sender pro
ain basis rather than globally.
Example:
Reject_Not_Pass_Domains = aol.com,hotmail.com
thx Scott taking care of mail stuff in ubuntu
Best Regards
MfG Robert Schetterer
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