Re: postfix + selinux - does it make sense ?

I think that Postfix is one of the most secure servers. I will stay with basic SE settings. On Tue, Jul 11, 2017 at 1:01 PM, Wietse Venema wrote: > Zalezny Niezalezny: > > Hi, > > > > I would like to know Your opinion about selinux + postfix ? > > > > Does ony

postfix + selinux - does it make sense ?

Hi, I would like to know Your opinion about selinux + postfix ? Does onyone using it ? Does it make sense to setup some policies for postfix ? Thanks in advance for your answers and suggestions. Cheers Zalezny

SMTP session failure: 501 5.1.7 - how to solve it ?

". My Mailman server is behind the firewall, could it be that server is not able to resolve gmail.com domain and thats why rejecting it ? How to solve it ? Cheers Zalezny

postfix client closing connection (email delivery) if one of multiple recipients failed/filtered

on if one of the recipient needs to be discarded. How to configure Postfix client on "LAN relay 1" to not closed connection if one of the recipient is filtered or not_valid on the "LAN relay 2" ? Why Postfix discarding complete message then ? Thanks in advance for Your support Cheers Zalezny

TLS security rules - perfect setup and issue with anonymous cipher

Do I need to disable them ? What else should I configured for public server ? Maybe somebody will be so kind and paste here some perfect, working TLS configuration for public server ? Cheers Zalezny

relay server - mass mailing tuning

Hi, in the next days our external service provider will push to our relay server (Postfix) regulary ~300 000 - 500 000 E-mails with size 60-500kb. External system provider has a SMTP server farm, so it will send messages from ~20 IP`s to our single Postfix instance. My question is, do I need to

Re: message_size_limit - how to configure on multiple instances ?

thank You all :) 30 mar 2017 21:47 "Viktor Dukhovni" napisał(a): > > > On Mar 30, 2017, at 12:35 PM, Zalezny Niezalezny < > zalezny.niezale...@gmail.com> wrote: > > > > # postconf -d | grep message > > The "postconf -d" command retur

Re: how to remove string "[MASSMAIL]" from the subject ?

ndt : > > * Zalezny Niezalezny : > > > As I see here header_checks can do it. There is only one problem. This > rule > > > searching for a subject with string [MASSMAIL] and replacing complete > > > subject line with word "test". > > > > > >

Re: how to remove string "[MASSMAIL]" from the subject ?

upting the rest of the subject ? Subject: [MASSMAIL] test message blablabla /^Subject:.*[MASSMAIL].*/ REPLACE Subject: test Its replacing to Subject: test How to replace that string to: Subject: test message blablabla Maybe some one knows ? Cheers Zalezny On Fri, Mar 31, 2017

Re: how to remove string "[MASSMAIL]" from the subject ?

... On Postfix-users list. I also opened Topic on mailman list. Maybe somebody else knows how to monipulate Subject with Postfix ? Thanks in advance for any help. Cheers Zalezny On Fri, Mar 31, 2017 at 1:11 PM, Larry Stone wrote: > Neither do I as you have provided no information ab

how to remove string "[MASSMAIL]" from the subject ?

Hi, will it be possible to remove string [MASSMAIL] from outgoing E-mails ? From: bla!@firma.com to: *@gmail.com Subject: [MASSMAIL] text of the messages I would like to have some thing like this. From: bla!@firma.com to: *@gmail.com Subject: text of the messages Unfortunatelly Mailman addin

message_size_limit - how to configure on multiple instances ?

message_strip_characters = qmgr_message_active_limit = 2 qmgr_message_recipient_limit = 2 qmgr_message_recipient_minimum = 10 smtpd_client_message_rate_limit = 0 Please help me. With kind regards Zalezny

Re: transport table - and regular expression for dynamic generated e-mails tha

Jones" napisał(a): On 3/28/2017 2:59 AM, Zalezny Niezalezny wrote: > Hi, > > I would like to route some dynamic generated E-mails to some server. > > My E-mail looks as follow: > > Original E-mail: testm...@example.com <mailto:testm...@example.com> > > I have a

Re: transport table - and regular expression for dynamic generated e-mails

HI You mean /etc/postfix/transport in main.cf ? Zalezny On Tue, Mar 28, 2017 at 10:02 AM, Wolfe, Robert < robert.wo...@robertwolfe.org> wrote: > Do you have a transport mapping file set up by any chance? > > -- > *From:* Zalezny Niezalezny [mail

transport table - and regular expression for dynamic generated e-mails

to send that message to some.second.server. I appreciate Your support. With kind regards Zalezny

separate TLS certificates for virtual domains - how ?

Hi, is it possible to setup separate SSL certificates for an each virtual domain ? Thanks in advance for any support. Cheers Konrad

Re: postfix relay - mass mailing - how to properly send messages

different, where each E-mail is extracted from the recipient list and managed by separate policy. I thought it would be better do send one recipient per message. In that case I will no do it. Never touch running system. Thanks for Your hints and support ! With kind regards Zalezny On Wed, Mar 22

postfix relay - mass mailing - how to properly send messages

better to send 1 message with 1 recipient or not ? Maybe somebody has some experience and can help me to tune my Postfix settings to speed up delivery process ? Cheers Zalezny

send an email with specified sender/recipient address to different servers

st2" ? How to properly do it ? Thanks in advance for Your support. Cheers Zalezny

send an email with specified sender/recipient address to different servers

st2" ? How to properly do it ? Thanks in advance for Your support. Cheers Zalezny

check_sender_regexp - problem

mtp:1.1.1.1 /.*@news.example.com/ FILTER smtp:2.2.2.2 For some reason its not working. System sending messages to default relay 1.1.1.1. How to configure it properly to send messages with specified sender domain to specified gateways ? Cheers Zalezny

Re: TLS issue

properly configured to establish connection. How to properly configure Postfix to enable all type of TLS connections ? With kind regards Zalezny On Sat, Dec 3, 2016 at 5:40 PM, @lbutlr wrote: > On 12/2/16 12:16 PM, Wietse Venema wrote: > > With 'no shared ciphers' happening fre

TLS issue

postfix-server01 postfix/smtpd[37036]: disconnect from smtptransit.de.net.intra[152.21.2.44] But to be honest I do not understand what is this. Maybe somebody will be able to help here and explain. Thanks in advance. Zalezny

ezmlm idx and postfix

Zalezny

e-mail filtering base on the IP

Hi, is it possible to route messages base on the sender IP address ? So for example from host A I would like to route all messages to host Z and from the rest of the hosts to host Y. Is it possible some how to configure it ? With kind regards Zalezny

Re: bouce table - where to bounce specified E-mail

Thank You Wietse for Your time and patient. I will read RFC first - for now topic is closed for me. On Thu, Sep 1, 2016 at 5:14 PM, Wietse Venema wrote: > Zalezny Niezalezny: > > Hi , > > > > You suggest to remove sender address. > > No, you SPECIFY the null sende

Re: bouce table - where to bounce specified E-mail

Hi , You suggest to remove sender address. How to do it in Postfix ? MfG Zalezny On Thu, Sep 1, 2016 at 4:19 PM, Wietse Venema wrote: > Zalezny Niezalezny: > > Hi, > > > > just a short question, is there any possibility in Postfix to control > which > > E-ma

bouce table - where to bounce specified E-mail

Hi, just a short question, is there any possibility in Postfix to control which E-mail should be bounced and which not ? We have some relay server which should not bounce some specified test e-mails (with error). Is there any bounce table ? Thanks in advance Zalezny

Re: relay outage - bounce or deffered queue

Ok Thanks. On Wed, Aug 31, 2016 at 3:32 PM, Wietse Venema wrote: > Zalezny Niezalezny: > > Dear Colleagues, > > > > in our infrastructure we are using Postfix as a relay server which is > > responsible for transfering messages from our MS Exchange and Production >

relay outage - bounce or deffered queue

ils. How to configure it properly then ? Using this parameter ? *bounce_queue_lifetime* *If outage will take longer, we need to store thousands of E-mails in the deffered queue, is there any limit for number of messages stored in the deffered queue ?* *Thanks in advance for any hints* *Cheers* *Zalezny*

Re: recipient filtering and transport table - problem

Zalezny On Wed, Jul 13, 2016 at 3:36 PM, Wietse Venema wrote: > Zalezny Niezalezny: > > If I will put this to my transport file: > > > > supp...@mydomain.com discard > > mydomain.com

Re: recipient filtering and transport table - problem

relay:relay.server.local * discard It will not work. How to do it properly ? Accept all To: *@mydomain.com except supp...@mydomain.com MfG Zalezny On Wed, Jul 13, 2016 at 1:06 PM, Wietse Venema wrote: > Zalezny Niezale

recipient filtering and transport table - problem

regards Zalezny

server / client configuration for Authenticated Relay server

smtpd_recipient_restrictions = permit_sasl_authenticated, reject My sasl configuration is located in /etc/postfix/sasl/smtpd.conf. pwcheck_method: saslauthd mech_list: PLAIN LOGIN Thanks in advance for Your support Zalezny

Re: header_checks bypassing discard rules

ke a charm. :) When I used "discard:" its not working. Postfix simply sending all E-mails out, but it should drop only those not listed before "* discard:". @Noel, Wietse - ThanXX Greetings Zalezny On Wed, Jun 29, 2016 at 3:01 PM, Wietse Venema wrote: > Zalezny Niezal

Re: header_checks bypassing discard rules

send, even that restricted by transport table. @Wietse , maybe You will be able to help me here ? With kind regards Zalezny On Mon, Jun 27, 2016 at 5:29 PM, Zalezny wrote: > Wow, thanks for that perfect tip. > > > > > On June 27, 2016 5:15:52 PM GMT+02:00, Noel Jones &

Re: header_checks bypassing discard rules

Wow, thanks for that perfect tip. On June 27, 2016 5:15:52 PM GMT+02:00, Noel Jones wrote: >On 6/27/2016 3:39 AM, Zalezny Niezalezny wrote: >> Hi, >> >> using header_checks configuration we are dropping all outgoing >> E-mails except some of them. >> >

header_checks bypassing discard rules

help. With kind regards zalezny

check_sender_regexp - multiple relay IP`s

ent is not allowed. I cannot use local domain with MX records because dns lookup has been disabled. Maybe somebody will be able to support me here ? Thanks in advance for any hints ! With kind regards Zalezny

Re: postfix password authorisation not working

Hi Patrick, today evening I will try to open new session with openssl and then I will analyze what is in the output. This sounds logic. Thanks Vielen Dank und Viele Gruesse aus Bayern Zalezny On Tue, May 31, 2016 at 11:29 PM, Patrick Ben Koetter wrote: > * Zalezny Niezalezny : >

postfix password authorisation not working

kind regards Zalezny

relay server - allow connections from DSL with dynamic IP

nied"... Maybe somebody will be able to support me here. With kind regards Zalezny

Re: resolve local domain with MX records

Perfect! Thank You very much! On Sun, May 29, 2016 at 9:15 AM, Wietse Venema wrote: > Zalezny Niezalezny: > > Hallo Wietse, > > > > yes I understand Your point. > > > > In my internal host, dns lookup is disabled. I simply would like to know > > how may I

Re: resolve local domain with MX records

I`m sorry, I sent my last email too fast. example.com:[192.168.2.10, 192.168.2.11] Will it be possible something like this ? Thanks in advance for Your support. Zalezny On Sun, May 29, 2016 at 10:44 AM, Zalezny Niezalezny < zalezny.niezale...@gmail.com> wrote: > Hallo Wietse,

Re: resolve local domain with MX records

Hallo Wietse, yes I understand Your point. In my internal host, dns lookup is disabled. I simply would like to know how may I specified some additional hosts in case of accidents one of them. For example, in the transport table we have something like this: *example.com

Re: resolve local domain with MX records

tc. ? Thank You in advance for any hint. Zalezny On Fri, May 27, 2016 at 2:53 PM, Wietse Venema wrote: > By design, Postfix will not look in DNS to find out what domains > it should receive mail for. This is intentional, so that Postfix > behaves predictably when some network infras

resolve local domain with MX records

configured ? Thanks in advance for any hints. Cheers Zalezny

Re: Postfix relay - allow authenticated users from any ip

Thank You very much for Your explanation. That sounds more clear for me. I will configure SASL Auth then. Thanks a lot every one! On Fri, May 27, 2016 at 2:14 PM, /dev/rob0 wrote: > On Fri, May 27, 2016 at 10:11:59AM +0200, Zalezny Niezalezny wrote: > > What about user ? Do i need

Re: Postfix relay - allow authenticated users from any ip

Hi Viktor, thank You very much for Your hints. What about user ? Do i need to create simply OS user (/etc/passwd) and it will be enought ? Or some dedicated configuration file is required ? Thanks in advance Zalezny On Fri, May 27, 2016 at 12:07 AM, Viktor Dukhovni < postfix

Postfix relay - allow authenticated users from any ip

and base on that relay massages to the internet. Thank You in advance for any hints and support. With kind regards Zalezny

Re: filtering domains and e-mails - how ?

gt; us...@domain.com relay:[smtp1.server.com] > domain.com relay:[smtp.server.com] > > > See: Postfix users > > Zalezny Niezalezny wrote: > >> Hi All, by default in my Postfix configuration I`m routing all E-mails >> for the domain: >> *@domain.com <h

filtering domains and e-mails - how ?

to some other server smtp1.server.com. I simply would like to redirect all E-mails with domain @domain.com to smtp.server.com and one e-mail us...@domain.com to some specified server smtp1.server.com. How to do it properly ? Thanks in advance for any hints. Zalezny

sasl authentication - how to hash password maps

Is it possible to hash that password some how ? This password shouldnt be visible for the user. If yes, how to do it then ? Thanks in advance for any hints. Zalezny

Re: postfix and multiple TLS certificates

encrypt traffic for all specified domains. This is solution for my internal relay system but I believe it should also works with external domains. Thanks for Your support.. Cheers Zalezny On Fri, Dec 11, 2015 at 2:24 PM, Tobias Reckhard < tobias.reckh...@secunet.com> wrote: > On 11.1

postfix and multiple TLS certificates

how TLS certificates for the different domains ? Thanks in advance for Your support. Zalezny

relay not working - dns problem ?

1 ? On Relay01 I have configured /etc/postfix/transport file like this: domain.fr relay:Relay02 Why in that case I see that error ? I will really appreciate for any advice. Cheeers Zalezny

Re: Domain MX record vs SMTP Loadbalancer

Thank You once again for Your support ! We can close that topic, I got all informations. I really appreciate that mailing list and people which doing support on it ! :) On Fri, Nov 27, 2015 at 3:48 PM, Wietse Venema wrote: > Zalezny Niezalezny: > > Hi, > > > > thank

Re: Domain MX record vs SMTP Loadbalancer

Hi, thank You for Your feedback. Does this solution is also described by RFC ? I reviewed RFC but I see that SMTP loadbalancing should be done using DNS with proper setup MX records. With kind regards Zalezny On Fri, Nov 27, 2015 at 2:10 PM, Wietse Venema wrote: > Zalezny Niezale

Domain MX record vs SMTP Loadbalancer

Zalezny

Re: Planning disk size/deffered queue for relay system base on Postfix

Hi, thank You very much for Your support. Cheers Zalezny On Wed, Nov 25, 2015 at 12:22 PM, Wietse Venema wrote: > Zalezny Niezalezny: > > 1) what will happend with an E-mails if RELAY02 will not be available > for a > > few hours ? In my understanding Postfix will put

Planning disk size/deffered queue for relay system base on Postfix

What kind of message will be send to the client if deffered queue will be full ? How to properly plan disk space and queues for high loaded systems. Thanks in advance for all comments. With kind regards Zalezny

Re: receiving message - checking mx record by postfix

thanks for Your support. On Tue, Nov 10, 2015 at 9:49 PM, Viktor Dukhovni wrote: > On Tue, Nov 10, 2015 at 09:29:19PM +0100, Zalezny Niezalezny wrote: > > > We have two systems which are dedicated only to send E-mails. Mostly for > > massmailing. These two machines will

Re: receiving message - checking mx record by postfix

015 at 01:29:43PM +0100, Zalezny Niezalezny wrote: > > > I would like to understand how Postfix receiving message. I expect that > > Postfix has been written base on the RFC rules so maybe somebody will be > > able to explain me how its working inside - how this system receiving

Re: receiving message - checking mx record by postfix

Hi, thanks for Your fast feedback. I have found the same document, but to be honest I didnt found there information what is happening on the server side. Maybe somebody could explain in detail that part ? thanks in advance Zalezny On Tue, Nov 10, 2015 at 1:36 PM, L.P.H. van Belle wrote

receiving message - checking mx record by postfix

information about the servers to which client needs to send a message. But right now I`m completly out of space... Does system check mx record when its receiving message or not ? Do You know where may I find RFC which fully describing this SMTP process ? With kind regards Zalezny

Multiple SMTP gateways in one MX record

make sense ? How to analyze eventual Postfix mail bounces in such a constelation ? p.s. I know that is not fully Postfix related question, but maybe somebody will be able to put some hint/opinion about it. Thanks in advance. Cheers Zalezny

E-mail encoding problem

rver or on the client side ? Thanks in advance for an any hints ! With kind regards Zalezny

Duplicate E-mails with different ID and timestamp

tamps ? Thanks in advance for any hints! Zalezny

check if user received messages

Dear Colleagues, is it possible to check in the Postfix logs if user delete/receive message ? Or to check if message was dropped by the server ? Thanks in advance Zalezny

Re: spamhaus - reasons of ban IP

ch simply not existing. Maybe this is the > > reason ? > > > > > > Would be great if somebody could support me here. Or maybe somebody will > > be > > so kind and tell me how to trace this kind of problems. Seriously I dont > > know how to find a reason o

spamhaus - reasons of ban IP

find a reason of ban. Maybe Postfix will have some kind of debugging mode etc.etc. Thank You in advance for Your support! Zalezny

Re: Postfix migration from 2.0 to 2.6.6

Greetz to all and thanks for Your efficient support! Its perfect community :) On Fri, Feb 20, 2015 at 12:30 PM, Zalezny Niezalezny < zalezny.niezale...@gmail.com> wrote: > I will simply stop postfix and copy all files. I dont see any other > solution here.We will see if it will w

Re: Postfix migration from 2.0 to 2.6.6

I will simply stop postfix and copy all files. I dont see any other solution here.We will see if it will work properly. On Fri, Feb 20, 2015 at 11:28 AM, Michael wrote: > Quoting Zalezny Niezalezny : > > I dont want to route any E-mails. I simply would like to stop old serve

Re: Postfix migration from 2.0 to 2.6.6

We are just talking about messages in queue right? > > > 2015-02-20 10:54 GMT+01:00 Zalezny Niezalezny < > zalezny.niezale...@gmail.com>: > >> Thanks for Your explanation. I see that Postfix community is very strong >> and fast :) Its good to know :) >> >>

Re: Postfix migration from 2.0 to 2.6.6

loosing data ? Should I simply copy files with proper permissions and ownership between two servers ? Is there any commands which needs to be executed afterwards ? Thanks in advance for Your support. Zalezny On Fri, Feb 20, 2015 at 10:18 AM, DTNX Postmaster wrote: > On 20 Feb 2015, at 09

Postfix migration from 2.0 to 2.6.6

/faq.html#copying How to migrate Postfix data in the best way ? With kind regards Zalezny