How to tell postfix to be more verbose on the smtp port?

2021-09-28 Thread Christophe Lohr
Hi,   I have a probably unusual request. For pedagogical reasons (teaching "network"), I would like the postfix server of my classroom to be as much verbose as possible on its smtp port (i.e. like sendmail use to be) I mean: comprehensive help messages on the "help" command, explicit errors message

Filtering MAIL FROM for autenticated users

2021-09-28 Thread João Silva
Hi I need to limit the domains in "mail from" for autenticated users to prevent sending emails with a "third party" domain. I have read the documentation and did not reached any conclusion. My best guess is that is some configuration that may be passed as an option to submission and smtps.

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread Max-Julian Pogner
Hi, did you already ctrl+f for 'reject_sender_login_mismatch' and 'smtpd_sender_login_maps' in http://www.postfix.org/postconf.5.html ? regards, Max On 28/09/2021 13:36, João Silva wrote: Hi I need to limit the domains in "mail from" for autenticated users to prevent sending emails with a

Re: How to tell postfix to be more verbose on the smtp port?

2021-09-28 Thread Bill Cole
On 2021-09-28 at 03:50:11 UTC-0400 (Tue, 28 Sep 2021 09:50:11 +0200) Christophe Lohr is rumored to have said: Hi,   I have a probably unusual request. For pedagogical reasons (teaching "network"), I would like the postfix server of my classroom to be as much verbose as possible on its smtp port

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread João Silva
I have been reading the documentation for smtpd_sender_login_maps and for what i understood I must create a db of the form @domain user1,user2 From the docs: "In all cases the result of table lookup must be either "not found" or a list of SASL login names separated by comma and/or whitesp

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread postfix
I have been reading the documentation for smtpd_sender_login_maps and for what i understood I must create a db of the form @domain user1,user2 From the docs: "In all cases the result of table lookup must be either "not found" or a list of SASL login names separated by comma and/or whitespac

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread João Silva
On 28/09/2021 14:41, post...@ptld.com wrote: I have been reading the documentation for smtpd_sender_login_maps and for what i understood I must create a db of the form @domain user1,user2 From the docs: "In all cases the result of table lookup must be either "not found" or a list of SASL

Re: How to tell postfix to be more verbose on the smtp port?

2021-09-28 Thread Viktor Dukhovni
On Tue, Sep 28, 2021 at 09:50:11AM +0200, Christophe Lohr wrote: > Well.. so, my question is: how to configure postfix to be more verbose? > (not in the log files, but on the smtp connexions) This would be a programming exercise. The relevant source files are: src/smtpd/smtpd.c -

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread Matus UHLAR - fantomas
On 28.09.21 14:31, João Silva wrote: I have been reading the documentation for smtpd_sender_login_maps and for what i understood I must create a db of the form @domain user1,user2 From the docs: "In all cases the result of table lookup must be either "not found" or a list of SASL login n

Re: How to tell postfix to be more verbose on the smtp port?

2021-09-28 Thread Wietse Venema
Viktor Dukhovni: > Most likely it is easier to just write a Perl or Python script, or > Haskell or Go program that is an ESMTP server that emits detailed error > messages. Choose a language in which it is easy to write a parser that > emits detailed error diagnostics. I would suggest using a stat

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread João Silva
On 28/09/2021 15:42, Matus UHLAR - fantomas wrote: On 28.09.21 14:31, João Silva wrote: I have been reading the documentation for smtpd_sender_login_maps and for what i understood I must create a db of the form @domain user1,user2 From the docs: "In all cases the result of table lookup

Re: How to tell postfix to be more verbose on the smtp port?

2021-09-28 Thread Curtis Maurand
On 9/28/21 10:23 AM, Viktor Dukhovni wrote: On Tue, Sep 28, 2021 at 09:50:11AM +0200, Christophe Lohr wrote: Well.. so, my question is: how to configure postfix to be more verbose? (not in the log files, but on the smtp connexions) This would be a programming exercise. The relevant source

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread Viktor Dukhovni
On Tue, Sep 28, 2021 at 03:50:06PM +0100, João Silva wrote: > It would be nice to have a option to specify a list of allowed domains. This is not meaningful, because the lookup result is a list of SASL identities, which are just opaque octet strings, there's no notion of "domain" there. In fact,

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread João Silva
On 28/09/2021 16:39, Viktor Dukhovni wrote: On Tue, Sep 28, 2021 at 03:50:06PM +0100, João Silva wrote: It would be nice to have a option to specify a list of allowed domains. This is not meaningful, because the lookup result is a list of SASL identities, which are just opaque octet strings,

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread Wietse Venema
Jo?o Silva: > A table with the format > > alias@domain alias_owner > > is allowed? You can stick anything in there, but for meaningful results, - alias@domain must be an envelope sender address, and - alias_owner must be a SASL login name. Wietse

Re: Filtering MAIL FROM for autenticated users

2021-09-28 Thread João Silva
On 28/09/2021 17:24, Wietse Venema wrote: Jo?o Silva: A table with the format alias@domain alias_owner is allowed? You can stick anything in there, but for meaningful results, - alias@domain must be an envelope sender address, and - alias_owner must be a SASL login name. Wietse E

SpamC - connection refused

2021-09-28 Thread Maurizio Caloro
Sending to spamassassin group, and no answer will by appair, possible this are outdated? Please how I can fix this connection refused, disabling IPv6 also not help. Sep 28 15:11:22 nmail spamd[3826]: prefork: child states: II Sep 28 15:11:23 nmail spamc[4525]: connect to spamd on 127.0.0.1

Re: SpamC - connection refused

2021-09-28 Thread Dan Mahoney
Connection refused speaks to the socket not running. What does netstat -na report? -Dan > On Sep 28, 2021, at 11:38 AM, Maurizio Caloro wrote: > > Sending to spamassassin group, and no answer will by appair, possible this > are outdated? > Please how I can fix this connection refused, disabl

Re: SpamC - connection refused

2021-09-28 Thread Viktor Dukhovni
On Tue, Sep 28, 2021 at 08:38:33PM +0200, Maurizio Caloro wrote: > Sep 28 15:11:22 nmail spamd[3826]: prefork: child states: II The "spamd" server appears to be running... > Sep 28 15:11:23 nmail spamc[4525]: connect to spamd on 127.0.0.1 failed, > retrying (#1 of 3): Connection refused > Sep 28

Re: SpamC - connection refused

2021-09-28 Thread postfix
Sep 28 15:11:23 nmail spamc[4525]: connect to spamd on 127.0.0.1 failed, retrying (#1 of 3): Connection refused Sep 28 15:11:23 nmail spamc[4525]: connect to spamd on 127.0.0.1 failed, retrying (#2 of 3): Connection refused Sep 28 15:11:24 nmail spamc[4525]: connect to spamd on 127.0.0.1 failed,

Re: SpamC - connection refused

2021-09-28 Thread Dan Mahoney
Yup, either fix spamd so it listens on localhost (you'd see a LISTEN on port 783, which is missing), or correct your spamc flags to include -U /var/spool/postfix/spamass/spamd.sock -Dan > On Sep 28, 2021, at 11:45 AM, Viktor Dukhovni > wrote: > > On Tue, Sep 28, 2021 at 08:38:33PM +0200, Mau

Strange error when having hold as symlink

2021-09-28 Thread (lists) Denis BUCHER
Hello, When creating /var/spool/postfix/hold as symlink to another folder I get the following error from Postfix : * "move to hold queue failed: No such file or directory" ...even when doing "chmod 777" on the target directory. Do you know if postfix is unable to work with "hold" as symlink

Re: Strange error when having hold as symlink

2021-09-28 Thread Viktor Dukhovni
On Wed, Sep 29, 2021 at 01:49:39AM +0200, (lists) Denis BUCHER wrote: > When creating /var/spool/postfix/hold as symlink to another folder I get > the following error from Postfix : If any Postfix services are chrooted, the destination needs to be a subdirectory of the Postfix queue directory an

Re: Strange error when having hold as symlink

2021-09-28 Thread raf
On Wed, Sep 29, 2021 at 01:49:39AM +0200, "(lists) Denis BUCHER" wrote: > Hello, > > When creating /var/spool/postfix/hold as symlink to another folder I get the > following error from Postfix : > > * "move to hold queue failed: No such file or directory" > > ...even when doing "chmod 777" o

Re: Strange error when having hold as symlink

2021-09-28 Thread Viktor Dukhovni
On Wed, Sep 29, 2021 at 02:19:53PM +1000, raf wrote: > If you really have a problem that you think would be > solved by relocating the hold queue, you could mount > another file system over the hold queue directory. > That might work. But it might a bad idea. Not sure. Sorry, not possible. Postf