Re: strange issue with postfix

2020-10-05 Thread @lbutlr
On 05 Oct 2020, at 13:17, Bob Proulx wrote: > Here is an old resource but one that I think is still very good is > "Jim Seymour's suggestions/examples for Postfix anti-UCE configuration." > >http://jimsun.linxnet.com/misc/postfix-anti-UCE.txt It's good, but it does need some updating as some

Re: strange issue with postfix

2020-10-05 Thread Bob Proulx
Erik Thuning wrote: > Ranjan Maitra wrote: > > Thanks, I am not very knowledgeable with regard to postfix being a > > simple user, so do you mind letting me/us know what you had to fix? It > > is kind of forbidding to me. > > > > > Thank you! I had this exact issue and just couldn't wrap my head a

Re: strange issue with postfix

2020-10-05 Thread Erik Thuning
I set the following in main.cf: smtpd_relay_restrictions = permit_mynetworks, reject Which, if I understand correctly, should mean that any email coming from addresses specified in mynetworks will be accepted, while all others get rejected. Mynetworks in my case only specifies loopback addre

Re: strange issue with postfix

2020-10-02 Thread Ranjan Maitra
Hi, Thanks, I am not very knowledgeable with regard to postfix being a simple user, so do you mind letting me/us know what you had to fix? It is kind of forbidding to me. Thanks again and best wishes, Ranjan On Fri, 2 Oct 2020 15:52:34 +0200 Erik Thuning wrote: > Thank you! I had this exac

Re: strange issue with postfix

2020-10-02 Thread Erik Thuning
Thank you! I had this exact issue and just couldn't wrap my head around what was wrong, this solved things quite nicely. /T On 2020-10-02 00:00, Bob Proulx wrote: Ranjan Maitra wrote: > > > Oct  1 14:08:00 localhost postfix/smtpd[4142479]: fatal: in parameter smtpd_relay_restrictions or smtpd

Re: strange issue with postfix

2020-10-01 Thread Bob Proulx
Ranjan Maitra wrote: > > > Oct 1 14:08:00 localhost postfix/smtpd[4142479]: fatal: in parameter > > > smtpd_relay_restrictions or smtpd_recipient_restrictions, specify at > > > least one working instance of: reject_unauth_destination, > > > defer_unauth_destination, reject, defer, defer_if_perm

Re: strange issue with postfix

2020-10-01 Thread Larry Stone
> > On Oct 1, 2020, at 2:18 PM, Ranjan Maitra wrote: > > Thanks, very much. So when I hit "Send" on sylpheed, it goes on a tailspin, > and says: Connecting to SMTP server: localhost > > Looking at the /var/log/maillog as you suggested, I get: > > Oct 1 14:08:00 localhost postfix/smtpd[414247

Re: strange issue with postfix

2020-10-01 Thread Ranjan Maitra
On Thu, 1 Oct 2020 15:39:55 -0400 "Demi M. Obenour" wrote: > On 2020-10-01 15:18, Ranjan Maitra wrote: > > Thanks, very much. So when I hit "Send" on sylpheed, it goes on a tailspin, > > and says: Connecting to SMTP server: localhost > > > > Looking at the /var/log/maillog as you suggested, I g

Re: strange issue with postfix

2020-10-01 Thread Demi M. Obenour
On 2020-10-01 15:18, Ranjan Maitra wrote: > Thanks, very much. So when I hit "Send" on sylpheed, it goes on a tailspin, > and says: Connecting to SMTP server: localhost > > Looking at the /var/log/maillog as you suggested, I get: > > Oct 1 14:08:00 localhost postfix/smtpd[4142479]: fatal: in pa

Re: strange issue with postfix

2020-10-01 Thread Ranjan Maitra
Thanks, very much. So when I hit "Send" on sylpheed, it goes on a tailspin, and says: Connecting to SMTP server: localhost Looking at the /var/log/maillog as you suggested, I get: Oct 1 14:08:00 localhost postfix/smtpd[4142479]: fatal: in parameter smtpd_relay_restrictions or smtpd_recipient_r

Re: strange issue with postfix

2020-10-01 Thread IL Ka
Hi. I'd start with checking your logs (i.e. "/var/log/maillog") On Thu, Oct 1, 2020 at 10:01 PM Ranjan Maitra wrote: > Hi, > > I have an issue that I can not resolve at my work environment. > > When I use commandline mail, my e-mail gets delivered. > > However, when I use a mailer (like sylpheed

strange issue with postfix

2020-10-01 Thread Ranjan Maitra
Hi, I have an issue that I can not resolve at my work environment. When I use commandline mail, my e-mail gets delivered. However, when I use a mailer (like sylpheed) to use localhost, it does not get delivered. I have SMTP port set to the default, and this same setup works fine when I send e-

Re: Strange issue

2018-11-06 Thread Viktor Dukhovni
> On Nov 6, 2018, at 10:37 AM, Simba wrote: > > postfix/smtp[13722]: 629D7A7DF9: to=, > relay=none, delay=1099, delays=1097/0/1.5/0, dsn=4.4.3, status=deferred > (Host or domain name not found. Name service error for > name=mx4.kpbsd.k12.ak.us type=A: Host not found, try again) There is no evi

RE: Strange issue

2018-11-06 Thread Kevin Miller
...Kevin -- Kevin Miller Network/email Administrator, CBJ MIS Dept. 155 South Seward Street Juneau, Alaska 99801 Phone: (907) 586-0242, Fax: (907) 586-4588 Registered Linux User No: 307357 -Original Message- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org]

Re: Strange issue

2018-11-06 Thread Wietse Venema
Wietse Venema: > Simba: > > Mail service is working except for delivery to a single host, which is > > reporting a strange error: > > > > postfix/smtp[13722]: 629D7A7DF9: to=, > > relay=none, delay=1099, delays=1097/0/1.5/0, dsn=4.4.3, status=deferred > > (Host or domain name not found. Name servi

RE: Strange issue

2018-11-06 Thread Kevin Miller
ix-us...@postfix.org] On Behalf Of Wietse Venema Sent: Tuesday, November 06, 2018 8:05 AM To: Simba Cc: postfix-users@postfix.org Subject: Re: Strange issue Simba: > Mail service is working except for delivery to a single host, which is > reporting a strange error: > > postfix/smtp[13722

Re: Strange issue

2018-11-06 Thread Wietse Venema
Simba: > Mail service is working except for delivery to a single host, which is > reporting a strange error: > > postfix/smtp[13722]: 629D7A7DF9: to=, > relay=none, delay=1099, delays=1097/0/1.5/0, dsn=4.4.3, status=deferred > (Host or domain name not found. Name service error for > name=mx4.kpbsd

Strange issue

2018-11-06 Thread Simba
Mail service is working except for delivery to a single host, which is reporting a strange error: postfix/smtp[13722]: 629D7A7DF9: to=, relay=none, delay=1099, delays=1097/0/1.5/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=mx4.kpbsd.k12.ak.us type=A: Ho

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-16 Thread Jozef Matický
Okay, will do it that way then. Thank you! Best regards, Jozef. On 16. 10. 2017 0:42, Wietse Venema wrote: Jozef Matick?: Hello Wietse, Not sure I understand. The problem I have is when I have address_verify_negative_cache = no. Postfix is then deferring sender with 450 Address verification

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-15 Thread Wietse Venema
Jozef Matick?: > Hello Wietse, > > Not sure I understand. > The problem I have is when I have address_verify_negative_cache = no. > Postfix is then deferring sender with 450 Address verification in > progress despite the fact Dovecot (LMTP) is replying to Postfix with 550 > User doesn't exists

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-15 Thread Jozef Matický
Hello Wietse, Not sure I understand. The problem I have is when I have address_verify_negative_cache = no. Postfix is then deferring sender with 450 Address verification in progress despite the fact Dovecot (LMTP) is replying to Postfix with 550 User doesn't exists (with smtpd_recipient_restri

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-15 Thread Wietse Venema
Jozef Matick?: > Hello Andreas, > > Had some users complaining about mailboxes (and catch-alls) they created > were not accepting e-mails - Postfix, due to caching, was rejecting the > e-mail as if the mailbox wouldn't exist (apparently due to a fact > someone was trying to send an e-mail to th

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-15 Thread A. Schulze
Am 15.10.2017 um 15:29 schrieb Jozef Matický: > Hello Andreas, > > Had some users complaining about mailboxes (and catch-alls) they created were > not accepting e-mails - Postfix, due to caching, was rejecting the e-mail as > if the mailbox wouldn't exist (apparently due to a fact someone was

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-15 Thread Wietse Venema
A. Schulze: > > The problem I have is when I set address_verify_negative_cache = no. ... > > It looks like when there is status=undeliverable-but-not-cached There is no such reply. In reality, the reply is that the address probe is in progress (DEL_RCPT_STAT_TODO). This is what happens: 1. SMTP

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-15 Thread Jozef Matický
Hello Andreas, Had some users complaining about mailboxes (and catch-alls) they created were not accepting e-mails - Postfix, due to caching, was rejecting the e-mail as if the mailbox wouldn't exist (apparently due to a fact someone was trying to send an e-mail to that mailbox before it even

Re: Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-15 Thread A. Schulze
Am 14.10.2017 um 23:23 schrieb Jozef Matický: > Hello, > > I've been struggling with this for about a week now. > In smtpd_recipient_restrictions I have reject_unverified_recipient. > For recipient address verification I'm using Dovecot's LMTP. > Everything is working as expected when address_ve

Strange issue with reject_unverified_recipient (LMTP/Dovecot)

2017-10-14 Thread Jozef Matický
Hello, I've been struggling with this for about a week now. In smtpd_recipient_restrictions I have reject_unverified_recipient. For recipient address verification I'm using Dovecot's LMTP. Everything is working as expected when address_verify_negative_cache = yes - unknown recipients are rejecte

Re: A strange issue with postfix and altermime - redux

2014-03-21 Thread Nick Warr
On 21/03/2014 17:25, Wietse Venema wrote: Nick Warr: On 21/03/2014 16:54, Viktor Dukhovni wrote: On Fri, Mar 21, 2014 at 02:24:49PM +, Nick Warr wrote: This is the entry in master.cf dfilt unix- n n - - pipe flags=Rq user=filter argv=/etc/postf

Re: A strange issue with postfix and altermime - redux

2014-03-21 Thread Wietse Venema
Nick Warr: > On 21/03/2014 16:54, Viktor Dukhovni wrote: > > On Fri, Mar 21, 2014 at 02:24:49PM +, Nick Warr wrote: > > > >> This is the entry in master.cf > >> > >> dfilt unix- n n - - pipe > >> flags=Rq user=filter argv=/etc/postfix/disclaimer -f ${s

Re: A strange issue with postfix and altermime - redux

2014-03-21 Thread Nick Warr
On 21/03/2014 16:54, Viktor Dukhovni wrote: On Fri, Mar 21, 2014 at 02:24:49PM +, Nick Warr wrote: This is the entry in master.cf dfilt unix- n n - - pipe flags=Rq user=filter argv=/etc/postfix/disclaimer -f ${sender} -- ${recipient} Any advice o

Re: A strange issue with postfix and altermime - redux

2014-03-21 Thread Viktor Dukhovni
On Fri, Mar 21, 2014 at 02:24:49PM +, Nick Warr wrote: > This is the entry in master.cf > > dfilt unix- n n - - pipe > flags=Rq user=filter argv=/etc/postfix/disclaimer -f ${sender} -- > ${recipient} > > Any advice or recommendations? Edit the filte

A strange issue with postfix and altermime - redux

2014-03-21 Thread Nick Warr
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: postfix-users@postfix.org Subject: A strange issue with postfix and altermime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit I a

A strange issue with postfix and altermime

2014-03-21 Thread Nick Warr
I am running a CentOS 6.3 server with postfix 2.6 and altermime 0.3.10. I use altermime to append disclaimers to emails submitted by my users through port port 587, and 99.95% of the time it works without issue, recently we've had a few issues with messages sent from Mac Outlook clients, the i

Re: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Wietse Venema
rom: owner-postfix-us...@postfix.org > [mailto:owner-postfix-us...@postfix.org] On Behalf Of Wietse Venema > Sent: Monday, September 12, 2011 12:36 PM > To: Postfix users > Subject: Re: Postfix Question: strange issue with mx record lookup > > Andreas Freyvogel: > > Th

RE: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Andreas Freyvogel
Venema Sent: Monday, September 12, 2011 12:36 PM To: Postfix users Subject: Re: Postfix Question: strange issue with mx record lookup Andreas Freyvogel: > The email address to which we are sending is "u...@mmm.com". Postfix will send to the A record for mmm.com if MX lookup is disab

Re: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Wietse Venema
Reindl Harald: > this are EIGHT releases behind the last supported F14 > and 5 years ago - normally i would expect that someone > updates to supported versions of software before try > to solve problems with since years not supported versions The DNS lookup code has not changed. Looking up an MX r

Re: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Wietse Venema
Andreas Freyvogel: > The email address to which we are sending is "u...@mmm.com". Postfix will send to the A record for mmm.com if MX lookup is disabled, or if MX lookup results in a "not found" response (either NXDOMAIN or NODATA). Postfix does not send to the A record if MX fails due to any oth

Re: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Reindl Harald
ostfix.org > Subject: Re: Postfix Question: strange issue with mx record lookup > > > > Am 12.09.2011 21:11, schrieb Andreas Freyvogel: >> The email address to which we are sending is "u...@mmm.com". >> >> Output of my postconf -n: >> >>

RE: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Andreas Freyvogel
@postfix.org Subject: Re: Postfix Question: strange issue with mx record lookup Am 12.09.2011 21:11, schrieb Andreas Freyvogel: > The email address to which we are sending is "u...@mmm.com". > > Output of my postconf -n: > > readme_directory = /usr/share/doc/postfix-2.2.10/REA

Re: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Reindl Harald
Am 12.09.2011 21:11, schrieb Andreas Freyvogel: > The email address to which we are sending is "u...@mmm.com". > > Output of my postconf -n: > > readme_directory = /usr/share/doc/postfix-2.2.10/README_FILES > relay_domains = $mydestination, /etc/postfix/relay-domains > sample_directory = /usr/sha

RE: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Andreas Freyvogel
er-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Wietse Venema Sent: Monday, September 12, 2011 12:07 PM To: Postfix users Subject: Re: Postfix Question: strange issue with mx record lookup Andreas Freyvogel: > I have a bit of an odd problem and hoped you might be

Re: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Wietse Venema
Andreas Freyvogel: > I have a bit of an odd problem and hoped you might be able to offer some > assistance or point me in the right direction. > > Yesterday, my server was unable to send emails to 3M (u...@mmm.com). > > The logs shows: > "status=deferred (delivery temporarily suspended: connect t

Re: Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Reindl Harald
Am 12.09.2011 20:31, schrieb Andreas Freyvogel: > I have a bit of an odd problem and hoped you might be able to offer some > assistance or point me in the right direction. > > Yesterday, my server was unable to send emails to 3M (u...@mmm.com). > > The logs shows: > "status=deferred (delivery tem

Postfix Question: strange issue with mx record lookup

2011-09-12 Thread Andreas Freyvogel
I have a bit of an odd problem and hoped you might be able to offer some assistance or point me in the right direction. Yesterday, my server was unable to send emails to 3M (u...@mmm.com). The logs shows: "status=deferred (delivery temporarily suspended: connect to mmm.com[192.28.34.26]" When I