Look, The sender get a reject message:
> Diagnostic information for administrators: > > Generating server: mailgw02.man-mit.com > > zamowie...@xxxxx.pl > [77.253.207.97] #<[77.253.207.97] #5.0.0 smtp; 5.x.1 - Maximum number > of delivery attempts exceeded. [Default] 421-'Timeout. Talk faster > next time.' (delivery attempts: 100)> #SMTP# > > Original message headers: > > X-IronPort-AV: E=Sophos;i="5.31,476,1473112800"; > d="pdf'?scan'208";a="48824816" > Received: from unknown (HELO openrelay.mn-man.biz) ([10.7.81.87]) by > mailgw02.man-mit.com with ESMTP/TLS/RC4-SHA; 11 Oct 2016 12:12:20 > +0200 > X-IronPort-AV: E=Sophos;i="5.31,476,1473112800"; > d="pdf'?scan'208";a="35414355" > Received: from mndemucpc035934.mn-man.biz (HELO > mndemuchub003.mn-man.biz) > ([10.128.60.217]) by openrelay.mn-man.biz with ESMTP; 11 Oct 2016 > 12:12:29 > +0200 > Received: from MNPLSTWAP001 ([10.131.126.157]) by > ppmail01.man.com.pl (Lotus Domino Release 6.5.4) with ESMTP > id 2016101112122306-44564 ; > Tue, 11 Oct 2016 12:12:23 +0200 > From: MAN POZNAN <einkaufpo...@man.eu> > To: "zamowie...@xxxxx.pl" <zamowie...@xxxxx.pl> > Subject: =?UTF-8?Q?Zam=C3=B3wienie_automatyczne_/_Autob?= > =?UTF-8?Q?estellung_6510/16/AF,_2016-10-11?= > CC: "e9...@man.eu" <e9...@man.eu>, "einkaufpo...@man.eu" > <einkaufpo...@man.eu> > MIME-Version: 1.0 > Message-ID: <113081937.1476180745336.javamail.webxl_nore...@man.eu> > Date: Tue, 11 Oct 2016 12:12:25 +0200 > X-MIMETrack: Itemize by SMTP Server on > ppmail01/POZNAN/MAN_POLSKA/MAN_BUSPL(Release > 6.5.4|March 27, 2005) at 2016-10-11 12:12:23, > Serialize by Router on > MNDEMUCHUB003/SRV/MAN_Nutzfahrzeuge(Release 7.0.2FP3|December 13, > 2007) at 11.10.2016 12:12:28 > Content-Type: text/plain > > But I see in my log this: 2016-10-11 17:16:52.411561500 spamdyke[16443]: TIMEOUT from: einkaufpo...@man.eu to: (unknown) origin_ip: 151.136.108.88 origin_rdns: wgate1.mn.man.de auth: (unknown) encryption: TLS reason: TIMEOUT 2016-10-11 17:18:05.060074500 spamdyke[16467]: TIMEOUT from: einkaufpo...@man.eu to: (unknown) origin_ip: 151.136.108.88 origin_rdns: mail1.man.de auth: (unknown) encryption: TLS reason: TIMEOUT from: einkaufpo...@man.eu to: (unknown) not: from: einkaufpo...@man.eu to: zamowie...@xxxxx.pl where find reason? From: Eric Broch [mailto:ebr...@whitehorsetc.com] Sent: Friday, November 04, 2016 7:26 PM To: qmailtoaster-list@qmailtoaster.com Subject: RE: [qmailtoaster] Qmail reject email from several domain Reason TIMEOUT It looks like the email is going to no one, you could check in the send log at the same time, but I doubt any delivery is being made. It might be being rejected at 'policy.' It should be followed up with delivery. Below is what a complete smtp transaction looks like: <trans> @40000000581ccab11323ecdc tcpserver: status: 0/100 @40000000581ccaef1914fb7c tcpserver: status: 1/100 @40000000581ccaef192f0f44 tcpserver: pid 1542 from xxx.xxx.xxx.xxx @40000000581ccaef1931f574 tcpserver: ok 1542 host.mydomain.tld:yyy.yyy.yyy.yyy:25 :xxx.xxx.xxx.xxx::46233 @40000000581ccaf410b6483c CHKUSER accepted sender: from <mailto:sen...@remotedomain.tld::> <sen...@remotedomain.tld::> remote <sender-server.remote.ip.net:unknown:xxx.xxx.xxx.xxx> rcpt <> : sender accepted @40000000581ccaf425ea9c94 CHKUSER accepted rcpt: from <mailto:sen...@remotedomain.tld::> <sen...@remotedomain.tld::> remote <sender-server.remote.ip.net:unknown:xxx.xxx.xxx.xxx> rcpt <mailto:recipi...@localdomain.tld> <recipi...@localdomain.tld> : found existing recipient @40000000581ccaf426022bd4 policy_check: remote sen...@remotedomain.tld -> local recipi...@localdomain.tld (UNAUTHENTICATED SENDER) @40000000581ccaf42603606c policy_check: policy allows transmission @40000000581ccaf61fa1ffe4 simscan:[1543]:CLEAN (-95.70/12.00):1.2711s:This is the subject of the email being sent....:xxx.xxx.xxx.xxx:sen...@remotedomain.tld:recipi...@localdomain.tld @40000000581ccb32260f6e5c tcpserver: end 1542 status 0 @40000000581ccb32260f762c tcpserver: status: 0/100 </trans> Spamdyke may just being doing what it's supposed to do. Eric On 11/4/2016 11:53 AM, ma...@demod.pl wrote: Yes, exacly This occurs only on several big corporate domain like dhl.com man.eu ergohestia.pl. Most mail recived ok. And servers works ok. Error occurs only several domain now I see another domain dupont.com L After remove spamdyke from the 'run' script i can't observe TIMEOUT in log. I see this: @40000000581cbb402ac7417c CHKUSER accepted sender: from <mailto:pl.no.re...@dhl.com::> <pl.no.re...@dhl.com::> remote <gateway1g.dhl.com:unknown:165.72.200.97> rcpt <> : sender accepted @40000000581cbb451fa7b4d4 tcpserver: status: 5/100 @40000000581cbb451faa73f4 tcpserver: pid 26568 from 85.90.252.62 @40000000581cbb451fabdf3c tcpserver: ok 26568 mail.xxxxxxxx.pl:192.168.0.95:25 :85.90.252.62::29680 @40000000581cbb4538a2023c CHKUSER accepted sender: from <mailto:pl.efakt...@dhl.com::> <pl.efakt...@dhl.com::> remote <dhl-mail-a-1.accountis.net:unknown:85.90.252.62> rcpt <> : sender accepted @40000000581cbb53234b5104 tcpserver: end 26418 status 256 @40000000581cbb53234bd1ec tcpserver: status: 4/100 @40000000581cbb540626f95c tcpserver: status: 5/100 @40000000581cbb5406298d84 tcpserver: pid 26573 from 186.85.86.180 @40000000581cbb54062ae15c tcpserver: ok 26573 mail.xxxxxxx.pl:192.168.0.95:25 :186.85.86.180::46388 I don't know where to find this mail? to whom it is addressed? From: Eric Broch [mailto:ebr...@whitehorsetc.com] Sent: Friday, November 04, 2016 6:10 PM To: qmailtoaster-list@qmailtoaster.com Subject: Re: [qmailtoaster] Qmail reject email from several domain Reason TIMEOUT >From your first email you stated that, "This occurs only on several big corporate domain like dhl.com man.eu ergohestia.pl" Obviously you are receiving at least some mail, correct? So, whatever the cause of this problem, spamdyke or otherwise, barring the corporate domains, in many cases your email server is working correctly, right? Maybe the other server ARE actually taking more time than they should. This is all that I was saying. Can you remove spamdyke from the 'run' script as I suggested and give that a try? Eric On 11/4/2016 11:00 AM, ma...@demod.pl wrote: I know, because that emails never come. After long time sender get a return message sorry TIMEOUT L From: Eric Broch [mailto:ebr...@whitehorsetc.com] Sent: Friday, November 04, 2016 5:41 PM To: qmailtoaster-list@qmailtoaster.com Subject: Re: [qmailtoaster] Qmail reject email from several domain Reason TIMEOUT What I meant was this: could it be that spamdyke is actually doing what it is supposed to do. Is spamdyke timing out a connection when it takes to long and allowing connections when the connection is within the time limit? In other words, how do you know its not working properly? On 11/4/2016 10:27 AM, ma...@demod.pl wrote: what are you mean? From: Eric Broch [mailto:ebr...@whitehorsetc.com] Sent: Friday, November 04, 2016 5:22 PM To: qmailtoaster-list@qmailtoaster.com Subject: Re: [qmailtoaster] Qmail reject email from several domain Reason TIMEOUT Could it be that the TIMEOUT is legitimate? On 11/4/2016 10:17 AM, ma...@demod.pl wrote: Sadly TIMEOUT still occurs L I add timeouted domain to whitelist _senders. And still TIMEOUT. Bellow my spamdyke.conf file: ############################################################################ #### # TIMEOUTS ############################################################################ #### # Close the connection after SECS seconds, regardless of activity. A value of # 0 disables this feature. # Default: 0 connection-timeout-secs=360 # Close the connection after SECS seconds of inactivity. A value of 0 disables # this feature. # Default: 0 idle-timeout-secs=360 #dns-blacklist-entry=zombie.dnsbl.sorbs.net #dns-blacklist-entry=dul.dnsbl.sorbs.net #dns-blacklist-entry=bogons.cymru.com dns-blacklist-entry=zen.spamhaus.org dns-blacklist-entry=bl.spamcop.net graylist-dir=/var/spamdyke/graylist graylist-level=always graylist-max-secs=2678400 graylist-min-secs=180 greeting-delay-secs=6 header-blacklist-entry=From:*>,*<* idle-timeout-secs=60 ip-blacklist-file=/etc/spamdyke/blacklist_ip ip-in-rdns-keyword-blacklist-file=/etc/spamdyke/blacklist_keywords ip-in-rdns-keyword-whitelist-file=/etc/spamdyke/whitelist_keywords ip-whitelist-file=/etc/spamdyke/whitelist_ip ########local-domains-file=/var/qmail/control/rcpthosts qmail-rcpthosts-file=/var/qmail/control/rcpthosts qmail-morercpthosts-cdb log-level=info #log-level=excessive log-target=stderr max-recipients=50 #policy-url=http://my.policy.explanation.url/ rdns-blacklist-file=/etc/spamdyke/blacklist_rdns rdns-whitelist-file=/etc/spamdyke/whitelist_rdns recipient-blacklist-file=/etc/spamdyke/blacklist_recipients recipient-whitelist-file=/etc/spamdyke/whitelist_recipients reject-empty-rdns #reject-ip-in-cc-rdns #################reject-missing-sender-mx reject-sender=no-mx reject-unresolvable-rdns rejection-text-sender-no-mx reject-recipient=same-as-sender rejection-text-recipient-same-as-sender sender-blacklist-file=/etc/spamdyke/blacklist_senders sender-whitelist-file=/etc/spamdyke/whitelist_senders tls-certificate-file=/var/qmail/control/servercert.pem tls-privatekey-file=/var/qmail/control/servercert.key tls-level=SMTP From: Eric Broch [mailto:ebr...@whitehorsetc.com] Sent: Friday, November 04, 2016 4:31 PM To: qmailtoaster-list@qmailtoaster.com Subject: Re: [qmailtoaster] Qmail reject email from several domain Reason TIMEOUT Settings change between spamdyke 4 and 5 I have a script (fixsd.sh): <fixsd.sh> #!/bin/sh sed -i \ -e 's/reject-missing-sender-mx/reject-sender=no-mx/g' \ -e 's/rejection-text-missing-sender-mx/rejection-text-sender-no-mx/g' \ -e 's/reject-identical-sender-recipient/reject-recipient=same-as-sender/g' \ -e 's/rejection-text-identical-sender-recipient/rejection-text-recipient-same-a s-sender/g' \ -e 's/local-domains-file/qmail-rcpthosts-file/g' \ -e 's/local-domains-entry=/#local-domains-entry=(Add these entries to qmail-rcpthosts-file)/g' \ -e 's/morercpthosts/qmail-morercpthosts-cdb/'g /etc/spamdyke/spamdyke.conf </fixsd.sh> If this doesn't work, can you refert to spamdyke 4 and let us know if that works? Eric On 11/4/2016 9:09 AM, ma...@demod.pl wrote: I upgrade spamdyke to version 5.0.1 and nothing change. L I expand to: 'idle-timeout-sec=360' And still TIMEOUT From: Eric Broch [mailto:ebr...@whitehorsetc.com] Sent: Friday, November 04, 2016 2:17 PM To: qmailtoaster-list@qmailtoaster.com Subject: Re: [qmailtoaster] Qmail reject email from several domain Reason TIMEOUT It looks to me like it's spamdyke causing the problem. It's certainly what the log suggests. What is your 'idle-timeout' setting in /etc/spamdyke/spamdyke.conf On 11/4/2016 4:31 AM, ma...@demod.pl wrote: Hi, >From some time i have a problem with my qmail server. From some time the server reject mail from several domain REASON TIMEOUT. I don't know why. This occurs only on several big corporate domain like dhl.com man.eu ergohestia.pl. First i suspect spamdyke. But i check it. Enter white list etc. Ask on spamdyke forum and final look at the spamdyke don't block anything. The excessive log file show only: "talk faster next time" A part of log bellow: @40000000581c48af3996f15c tcpserver: status: 2/100 @40000000581c48d908f1b21c spamdyke[4387]: EXCESSIVE(middleman()@spamdyke.c:1965): child output file descriptor 5 closed @40000000581c48d908f1bdd4 spamdyke[4387]: EXCESSIVE(output_writeln()@log.c:102): wrote 37 bytes to network file descriptor 1, buffer contained 37 bytes: 421 Timeout. Talk faster next @40000000581c48d908f1c5a4 spamdyke[4387]: TIMEOUT from: len...@lendon.pl to: (unknown) origin_ip: 89.38.150.213 origin_rdns: host213-150-38-89.static.arubacloud.fr auth: (unknown) encryption: (none) reason: TIMEOUT @40000000581c48d908f21b94 spamdyke[4387]: DEBUG(find_username()@spamdyke.c:127): searching for username between positions 9 and 35: RCPT TO:<marekm@*****.com.pl> @40000000581c48d908f22364 DATA @40000000581c48d908f2274c @40000000581c48d908f22b34 spamdyke[4387]: EXCESSIVE(find_username()@spamdyke.c:309): found username in address: marekm @40000000581c48d908f24a74 spamdyke[4387]: DEBUG(find_domain()@spamdyke.c:361): searching for domain between positions 15 and 35: RCPT TO:<marekm@*****.com.pl> @40000000581c48d908f25244 DATA @40000000581c48d908f25244 @40000000581c48d908f2562c spamdyke[4387]: EXCESSIVE(find_domain()@spamdyke.c:529): found domain in address: *****.com.pl @40000000581c48d908f25dfc spamdyke[4387]: DEBUG(find_address()@spamdyke.c:726): found username: marekm @40000000581c48d908f27954 spamdyke[4387]: DEBUG(find_address()@spamdyke.c:743): found domain: *****.com.pl @40000000581c48d908f2b3ec spamdyke[4387]: DEBUG(filter_recipient_whitelist()@filter.c:2332): searching recipient whitelist(s); recipient: marekm@*****.com.pl @40000000581c48d908f2b7d4 spamdyke[4387]: EXCESSIVE(output_writeln()@log.c:102): wrote 37 bytes to network file descriptor 1, buffer contained 37 bytes: 421 Timeout. Talk faster next @40000000581c48d908f2bfa4 spamdyke[4387]: TIMEOUT from: len...@lendon.pl to: marekm@*****.com.pl origin_ip: 89.38.150.213 origin_rdns: host213-150-38-89.static.arubacloud.fr auth: (unknown) encryption: (none) reason: (empty) @40000000581c48d908f2dee4 spamdyke[4387]: EXCESSIVE(output_writeln()@log.c:102): wrote 37 bytes to network file descriptor 1, buffer contained 37 bytes: 421 Timeout. Talk faster next @40000000581c48e231636ccc spamdyke[4293]: EXCESSIVE(middleman()@spamdyke.c:2097): read 33 bytes from child input file descriptor 6, buffer contains 33 bytes, current position is 0: 451 SPF lookup failure (#4.3.0 @40000000581c48e231637884 spamdyke[4293]: EXCESSIVE(middleman()@spamdyke.c:2107): child input file descriptor 6 indicates EOF, buffer contains 0 bytes, current position is 0 @40000000581c48e231638054 spamdyke[4293]: EXCESSIVE(middleman()@spamdyke.c:2108): child input file descriptor 6 closed @40000000581c48e231638824 spamdyke[4293]: EXCESSIVE(middleman()@spamdyke.c:2989): child process exited normally with return value 1 Any help will be appreciated Marek