[Q] smtpd: warning: n.n.n.n: address not listed for hostname smtp.academicjobseu.com

2011-02-15 Thread J4K
Hi, I just watched an IP address fail to be correctly resolved back to the A record. I could resolve the IP with the the same DNS on the same server myself. These connection from a server is recorded by postfix as unknown for 212.89.81.105, yet an nslookup on this IP resolves back to the co

Re: [Q] smtpd: warning: n.n.n.n: address not listed for hostname smtp.academicjobseu.com

2011-02-15 Thread Tom Hendrikx
On 15/02/11 13:18, J4K wrote: > > Hi, > > I just watched an IP address fail to be correctly resolved back to > the A record. I could resolve the IP with the the same DNS on the same > server myself. > > These connection from a server is recorded by postfix as unknown for > 212.89.81.105, ye

Re: [Q] smtpd: warning: n.n.n.n: address not listed for hostname smtp.academicjobseu.com

2011-02-15 Thread Ralf Hildebrandt
* J4K : > > Hi, > > I just watched an IP address fail to be correctly resolved back to > the A record. I could resolve the IP with the the same DNS on the same > server myself. > > These connection from a server is recorded by postfix as unknown for > 212.89.81.105, yet an nslookup on this

Re: [Q] smtpd: warning: n.n.n.n: address not listed for hostname smtp.academicjobseu.com

2011-02-15 Thread J4K
On 02/15/2011 01:31 PM, Ralf Hildebrandt wrote: > * J4K : >> Hi, >> >> I just watched an IP address fail to be correctly resolved back to >> the A record. I could resolve the IP with the the same DNS on the same >> server myself. >> >> These connection from a server is recorded by postfix as u

Re: [Q] smtpd: warning: n.n.n.n: address not listed for hostname smtp.academicjobseu.com

2011-02-15 Thread Ralf Hildebrandt
* J4K : > > $ host 212.89.81.105 > > 105.81.89.212.in-addr.arpa domain name pointer smtp.academicjobseu.com. > > > > $ host smtp.academicjobseu.com. > > smtp.academicjobseu.com has address 212.89.81.106 > > > > 212.89.81.105 != 212.89.81.106 > > > # host 212.89.81.105 > 105.81.89.212.in-addr.arpa

Re: [Q] smtpd: warning: n.n.n.n: address not listed for hostname smtp.academicjobseu.com

2011-02-15 Thread J4K
On 02/15/2011 02:00 PM, Ralf Hildebrandt wrote: > * J4K : > >>> $ host 212.89.81.105 >>> 105.81.89.212.in-addr.arpa domain name pointer smtp.academicjobseu.com. >>> >>> $ host smtp.academicjobseu.com. >>> smtp.academicjobseu.com has address 212.89.81.106 >>> >>> 212.89.81.105 != 212.89.81.106 >>> >

Human factors (smtpd: warning: n.n.n.n: address not listed for ...)

2011-02-15 Thread Wietse Venema
FYI, I have changed the warnings from the code that implements forward-confirmed reverse DNS (FCRDNS). When the "reverse" name has no IP address: hostname foo.example.com does not resolve to address 1.2.3.4: host not found, try again When the "reverse" has some address but not the expec

"mailer-daemon" never rejected?

2011-02-15 Thread Reindl Harald
How can this happen? The address "mailer-dae...@plancompany.at" does not exist but if checked from barracuda SPF postfix answers with valid? Original-Nachricht Betreff: Undelivered Mail Returned to Sender Datum: Tue, 15 Feb 2011 17:30:11 +0100 (CET) Von: Mail Delivery System An

My postscreen results

2011-02-15 Thread /dev/rob0
I went live with my postscreen blocking mail, after some time of non-blocking while watching logs. Here's a discussion of those results (both non-blocking and blocking.) I've singled out some of the items which interested me; perhaps they will interest you as well. (Possibly all old-hat to the

Re: domain-aliases / recipient_canonical_maps / vrfy

2011-02-15 Thread Reindl Harald
i have solved this problem with some subqueries and the limit 1 is needed for MySQL < 5.5 because 5.1 meant that somewhere are more than one row returned from a subquery recipient_canonical_maps = mysql:/etc/postfix/mysql-rewritedomains.cf [root@mail:/etc/postfix]$ cat /etc/postfix/mysql-rewrited

Re: "mailer-daemon" never rejected?

2011-02-15 Thread Wietse Venema
Reindl Harald: > How can this happen? > > The address "mailer-dae...@plancompany.at" does not exist > but if checked from barracuda SPF postfix answers with valid? Postfix SENDS mail from mailer-daemon, therefore Postfix ACCEPTS mail to mailer-daemon. When the mailer-daemon alias does not exist

Re: "mailer-daemon" never rejected?

2011-02-15 Thread Reindl Harald
He does not send because it is rewritten and i see no reason for don't verify an hand of targets especially if they bounce finally I just added "mailer-daemon@" -> "postmas...@thelounge.net" on dbmail side a few minutes ago to avoid backscattering but that should not be needed _ s

relay_recipient and/or relay_domains issue

2011-02-15 Thread Mike Loiterman
I have two issues that I believe are connected so I'm putting them into one submission to the list: ISSUE 1 I want to forward root's mail to a local user called mike. The user's email address is m...@ascendency.net and is a legitimate user on the system, b

Re: "mailer-daemon" never rejected?

2011-02-15 Thread Wietse Venema
Reindl Harald: > I just added "mailer-daemon@" -> "postmas...@thelounge.net" That would be a terrible mistake, since it aliases EVERYONE ELSES domain too. Remove this nonsense. Wietse

Re: "mailer-daemon" never rejected?

2011-02-15 Thread Reindl Harald
Am 15.02.2011 19:07, schrieb Wietse Venema: > Reindl Harald: >> I just added "mailer-daemon@" -> "postmas...@thelounge.net" > > That would be a terrible mistake no, it would not > since it aliases EVERYONE ELSESm domain too this is what it should do and what postmaster@, hostmaster@ and abuse@

Postfix relay to local MTA on different port or IP

2011-02-15 Thread Dave Jones
I have a server running postfix on port 25 and a secondary mail platform listening on port 2525. I have tried many combinations of settings but keep getting: Feb 12 08:34:43 server1 postfix/smtp[11104]: 19183EB01F0: to=, relay=none, delay=6.9, delays=6.9/0.01/0/0, dsn=5.4.6, status=bounced (mail

Re: "mailer-daemon" never rejected?

2011-02-15 Thread Wietse Venema
Reindl Harald: > >> I just added "mailer-daemon@" -> "postmas...@thelounge.net" Including mailer-dae...@porcupine.org -> postmas...@thelounge.net. Wietse

Re: Postfix relay to local MTA on different port or IP

2011-02-15 Thread Wietse Venema
Dave Jones: > I have a server running postfix on port 25 and a secondary mail > platform listening on port 2525. I have tried many combinations of > settings but keep getting: > > Feb 12 08:34:43 server1 postfix/smtp[11104]: 19183EB01F0: > to=, relay=none, delay=6.9, delays=6.9/0.01/0/0, > dsn=5.

Re: "mailer-daemon" never rejected?

2011-02-15 Thread Reindl Harald
Am 15.02.2011 19:36, schrieb Wietse Venema: > Reindl Harald: I just added "mailer-daemon@" -> "postmas...@thelounge.net" > > Including mailer-dae...@porcupine.org -> postmas...@thelounge.net Check your mails after greylisting :-) These Forwards on the dbmail-side and as long postfix has "p

Multi-homed server & inet_interfaces or smtp-bind-address

2011-02-15 Thread John
First off I am still a bit green on this stuff. Both my servers are multi-homed, server A which runs Postfix is configured -> eth0 :n.n.n.186 and eth1:n.n.n.187. The host name for this server is mail.domain.tld which points to n.n.n.187. Up until last Friday we did not have any problems. On

Content message/partial and header checks

2011-02-15 Thread Alex
Hi, I have a sender that is trying to send mail to one of our recipients, but it is being rejected because it is a message/partial content type: /^Content-(Disposition|Type):\s+.*?message\/partial\b/ REJECT I pulled this from the jimsun antispam page. Is this still necessary? If so, how would

When does a delivery attempt start?

2011-02-15 Thread Ralf Hildebrandt
Is there a way of getting a log entry that documents when Postfix is trying to actually deliver a mail? Something along the lines "it's in the active queue, and Postfix is about to create|reuse an (S|L)MTP connection to whatever destination it deems to be correct" Why am I interested in this? ba

Re: Content message/partial and header checks

2011-02-15 Thread Noel Jones
On 2/15/2011 1:23 PM, Alex wrote: Hi, I have a sender that is trying to send mail to one of our recipients, but it is being rejected because it is a message/partial content type: /^Content-(Disposition|Type):\s+.*?message\/partial\b/ REJECT I pulled this from the jimsun antispam page. Is this

Re: relay_recipient and/or relay_domains issue

2011-02-15 Thread Jeroen Geilman
On 02/15/2011 07:07 PM, Mike Loiterman wrote: I have two issues that I believe are connected so I'm putting them into one submission to the list: ISSUE 1 I want to forward root's mail to a local user called mike. The user's email address is m...@ascendenc

Re: When does a delivery attempt start?

2011-02-15 Thread Wietse Venema
Ralf Hildebrandt: > Is there a way of getting a log entry that documents when Postfix is > trying to actually deliver a mail? The queue manager connects to the UNIX-domain socket for a particular delivery agent such as smtp(8) or local(8), and waits for a response from a delivery agent that it is

Re: relay_recipient and/or relay_domains issue

2011-02-15 Thread Mike Loiterman
On Feb 15, 2011, at 3:45 PM, Jeroen Geilman wrote: > On 02/15/2011 07:07 PM, Mike Loiterman wrote: >> I have two issues that I believe are connected so I'm putting them into one >> submission to the list: >> >> >> ISSUE 1 >> >> I want to forward root's mail

Re: relay_recipient and/or relay_domains issue

2011-02-15 Thread Jeroen Geilman
On 02/15/2011 10:56 PM, Mike Loiterman wrote: On Feb 15, 2011, at 3:45 PM, Jeroen Geilman wrote: On 02/15/2011 07:07 PM, Mike Loiterman wrote: I have two issues that I believe are connected so I'm putting them into one submission to the list: ISSUE 1 ==

Re: email is properly rejected but reason given to user unclear

2011-02-15 Thread mouss
Le 15/02/2011 07:36, Per-Erik Persson a écrit : > On Mon, 14 Feb 2011 16:52:42 -0600, Stan Hoeppner > wrote: >> Per-Erik Persson put forth on 2/14/2011 4:17 PM: >>> I have recently found out the beuty of restriction classes. >>> So to reject senders from certain sites that usually misspell their >

Re: When does a delivery attempt start?

2011-02-15 Thread Ralf Hildebrandt
* Wietse Venema : > Ralf Hildebrandt: > > Is there a way of getting a log entry that documents when Postfix is > > trying to actually deliver a mail? > > The queue manager connects to the UNIX-domain socket for a particular > delivery agent such as smtp(8) or local(8), and waits for a response > f

Re: Content message/partial and header checks

2011-02-15 Thread mouss
Le 15/02/2011 20:23, Alex a écrit : > Hi, > > I have a sender that is trying to send mail to one of our recipients, > but it is being rejected because it is a message/partial content type: > > /^Content-(Disposition|Type):\s+.*?message\/partial\b/ REJECT > can you find out (and report) how the

Re: When does a delivery attempt start?

2011-02-15 Thread Wietse Venema
Ralf Hildebrandt: > > Once a delivery agent responds, it receives the delivery request, > > and that is the start of delivery. You can see this only by turning > > on verbose logging. > > OK, thought so. > > > The delivery request contains among many things hints whether to > > try to save/reus

Re: When does a delivery attempt start?

2011-02-15 Thread Victor Duchovni
On Tue, Feb 15, 2011 at 11:33:58PM +0100, Ralf Hildebrandt wrote: > > Use multiple instances, and filtered mail will not share the > > queue with unfiltered mail, so you know exactly why it is in > > an active queue. > > Oh, it's a prequeuing filter, so everything is already filtered. Then all t

Re: Multi-homed server & inet_interfaces or smtp-bind-address

2011-02-15 Thread Jeroen Geilman
On 02/15/2011 08:21 PM, John wrote: First off I am still a bit green on this stuff. Both my servers are multi-homed, server A which runs Postfix is configured -> eth0 :n.n.n.186 and eth1:n.n.n.187. The host name for this server is mail.domain.tld which points to n.n.n.187. Up until last Fr

Re: Auditing encrypted/clear text SMTP transmission

2011-02-15 Thread Wietse Venema
Victor Duchovni: > On Mon, Feb 14, 2011 at 08:24:14AM -0500, Wietse Venema wrote: > > > In the SMTP server, this could be logged as: > > > > QUEUEID: client=foo.example.com, tls=whatever > > > > That line is logged whenever the Postfix SMTP server opens a mail > > delivery transaction. > >

Re: Auditing encrypted/clear text SMTP transmission

2011-02-15 Thread Victor Duchovni
On Tue, Feb 15, 2011 at 07:28:57PM -0500, Wietse Venema wrote: > Victor Duchovni: > > On Mon, Feb 14, 2011 at 08:24:14AM -0500, Wietse Venema wrote: > > > > > In the SMTP server, this could be logged as: > > > > > > QUEUEID: client=foo.example.com, tls=whatever > > > > > > That line is logg

Re: relay_recipient and/or relay_domains issue

2011-02-15 Thread Mike Loiterman
On Feb 15, 2011, at 4:08 PM, Jeroen Geilman wrote: > On 02/15/2011 10:56 PM, Mike Loiterman wrote: >> On Feb 15, 2011, at 3:45 PM, Jeroen Geilman wrote: >> >> >>> On 02/15/2011 07:07 PM, Mike Loiterman wrote: >>> I have two issues that I believe are connected so I'm putting them into

Re: Multi-homed server & inet_interfaces or smtp-bind-address

2011-02-15 Thread John
On 2/15/2011 7:07 PM, Jeroen Geilman wrote: On 02/15/2011 08:21 PM, John wrote: First off I am still a bit green on this stuff. Both my servers are multi-homed, server A which runs Postfix is configured -> eth0 :n.n.n.186 and eth1:n.n.n.187. The host name for this server is mail.domain.tld w