Re: swinog Digest, Vol 174, Issue 3
Andreas Fink <[email protected]> Thu, 11 Jul 2019 15:28:20 +0200
| Newsgroups | gmane.org.operators.swinog |
|---|---|
| Message-ID | <[email protected]> |
--===============0763103745== Content-Type: multipart/alternative; boundary="Apple-Mail=_7865F931-361B-4759-9231-DE9649CD079D" --Apple-Mail=_7865F931-361B-4759-9231-DE9649CD079D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 On 11 Jul 2019, at 14:55, Daniel Stirnimann = <[email protected]> wrote: >=20 > The pointers have been given before. This is your problem: >=20 > https://www.spamhaus.org/query/ip/79.134.251.203 >=20 > Daniel Yes above is my problem but at the same time it can not be the reason = for mail delivery to bluewin.ch <http://bluewin.ch/> coming back with a = cryptic DNSNULL error Spamhaus has a issue with a customer of mine but they have not shown any = proof. Above IP however is not in the disputed IP range, its my my well = maintained mailserver which has never sent any spam and is not listed as = sending any spam anywhere else. What Spamhaus is doing is trying to get = ISPs to cancel contracts with well paying customers on first call (no = judge, no proof) by putting the ISP's whole IP range into a blacklist (a = /19 !) and thus punishing legitimate 3rd parties as well. This is called = coercion (N=C3=B6tigung) which is a criminal offense punishable by law = for up to 3 years in jail. We will see if Spamhaus prefers to go to jal = or change their blacklisting policy. Never the less. Sending emailst o bluewin.ch <http://bluewin.ch/> has = never been affected. I sent emails successfuly yesterday to bluewin = users without a problem. I don't think Spamhaus's blacklist are being = used by bluewin.ch <http://bluewin.ch/> as otherwise we would have had = issues a lot earlier. So this doesn't explain any DNSNULL error. And frankly, the error = message is really stupid misleading... >=20 > On 11.07.19 14:25, Andreas Fink wrote: >> Except that this is not applicable. In my case my mailserver is not >> hosted at Swisscom but on my own infrastructure, is on the same IP = since >> years, has proper MX records and reverse DNS entries and has = delivered >> email to the same bluewin customer yesterday successfully. Only the >> reply on that receiver today which I received and replied again got >> rejected. And the response is cryptic to me. =20 >>=20 >> And if you mail to [email protected] <mailto:[email protected]> you get >> the same error... >>=20 >> So who is this famous DNSNULL I should contact? >>=20 >>=20 >>=20 >>> On 11 Jul 2019, at 13:49, Florin sfetea <[email protected] >>> <mailto:[email protected]>> wrote: >>>=20 >>> See = https://community.swisscom.ch/t5/E-Mail/Bluewin-akzeptiert-E-Mails-von-eig= ener-Domain-nicht/td-p/570002 >>> =20 >>> =20 >>> Beste Gr=C3=BCsse, Regards si s-auzim de bine=20 >>> Florin Sfetea >>> =20 >>> *From: *[email protected] >>> <mailto:[email protected]> >>> *Sent: *Thursday, July 11, 2019 12:00 >>> *To: *[email protected] <mailto:[email protected]> >>> *Subject: *swinog Digest, Vol 174, Issue 3 >>> =20 >>> Send swinog mailing list submissions to >>> [email protected] <mailto:[email protected]> >>> =20 >>> To subscribe or unsubscribe via the World Wide Web, visit >>> http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog >>> or, via email, send a message with subject or body 'help' to >>> [email protected] >>> <mailto:[email protected]> >>> =20 >>> You can reach the person managing the list at >>> [email protected] = <mailto:[email protected]> >>> =20 >>> When replying, please edit your Subject line so it is more specific >>> than "Re: Contents of swinog digest..." >>> =20 >>> =20 >>> Today's Topics: >>> =20 >>> 1. bluewin & DNSNULL (Andreas Fink) >>> =20 >>> =20 >>> = ---------------------------------------------------------------------- >>> =20 >>> Message: 1 >>> Date: Thu, 11 Jul 2019 11:32:38 +0200 >>> From: Andreas Fink <[email protected] = <mailto:[email protected]>> >>> To: "[email protected] <mailto:[email protected]>" <[email protected] >>> <mailto:[email protected]>> >>> Subject: [swinog] bluewin & DNSNULL >>> Message-ID: <[email protected] >>> <mailto:[email protected]>> >>> Content-Type: text/plain; charset=3D"us-ascii" >>> =20 >>> =20 >>> Does any one have a clue what DNSNULL means in the following context >>> of a mail delivery error? >>> =20 >>> =20 >>> =20 >>> <[email protected] >>> <http://bluewin.ch/> <mailto:[email protected]>> >>> (mx-v02.bluewin.ch >>> <http://mx-v02.bluewin.ch/> <http://mx-v02.bluewin.ch/>: >>> 554 mxbw.lb.bluewin.ch >>> <http://mxbw.lb.bluewin.ch/><http://mxbw.lb.bluewin.ch/> vim >>> dzmsp-mxin12.bluewin.ch >>> <http://dzmsp-mxin12.bluewin.ch/> <http://dzmsp-mxin12.bluewin.ch/> >>> Swisscom AG IP: 79.134.251.203, You are not allowed=20 >>> to send us mail. Please see DNSNULL if you feel this is in >>> error)Reporting-MTA: dns; mail.fink.org >>> <http://mail.fink.org/> <http://mail.fink.org/> >>> Arrival-Date: Thu, 11 Jul 2019 11:19:58 +0200 >>> ... --Apple-Mail=_7865F931-361B-4759-9231-DE9649CD079D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" = class=3D""><div>On 11 Jul 2019, at 14:55, Daniel Stirnimann <<a = href=3D"mailto:[email protected]" = class=3D"">[email protected]</a>> wrote:<br = class=3D""><blockquote type=3D"cite" class=3D""><br = class=3D"Apple-interchange-newline"><div class=3D""><div class=3D"">The = pointers have been given before. This is your problem:<br class=3D""><br = class=3D""><a href=3D"https://www.spamhaus.org/query/ip/79.134.251.203" = class=3D"">https://www.spamhaus.org/query/ip/79.134.251.203</a><br = class=3D""><br class=3D"">Daniel<br = class=3D""></div></div></blockquote><div><br class=3D""></div><div><br = class=3D""></div><div>Yes above is my problem but at the same time it = can not be the reason for mail delivery to <a href=3D"http://bluewin.ch" = class=3D"">bluewin.ch</a> coming back with a cryptic DNSNULL = error</div><div><br class=3D""></div><div>Spamhaus has a issue with a = customer of mine but they have not shown any proof. Above IP however is = not in the disputed IP range, its my my well maintained mailserver which = has never sent any spam and is not listed as sending any spam anywhere = else. What Spamhaus is doing is trying to get ISPs to cancel contracts = with well paying customers on first call (no judge, no proof) by putting = the ISP's whole IP range into a blacklist (a /19 !) and thus punishing = legitimate 3rd parties as well. This is called coercion (N=C3=B6tigung) = which is a criminal offense punishable by law for up to 3 years in jail. = We will see if Spamhaus prefers to go to jal or change their = blacklisting policy.</div><div><br class=3D""></div><div>Never the less. = Sending emailst o <a href=3D"http://bluewin.ch" = class=3D"">bluewin.ch</a> has never been affected. I sent emails = successfuly yesterday to bluewin users without a problem. I don't think = Spamhaus's blacklist are being used by <a href=3D"http://bluewin.ch" = class=3D"">bluewin.ch</a> as otherwise we would have had issues a = lot earlier.</div><div><br class=3D""></div><div>So this doesn't explain = any DNSNULL error. And frankly, the error message is really stupid = misleading...</div><div><br class=3D""></div></div><div><br = class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div = class=3D""><br class=3D"">On 11.07.19 14:25, Andreas Fink wrote:<br = class=3D""><blockquote type=3D"cite" class=3D"">Except that this is not = applicable. In my case my mailserver is not<br class=3D"">hosted at = Swisscom but on my own infrastructure, is on the same IP since<br = class=3D"">years, has proper MX records and reverse DNS entries and has = delivered<br class=3D"">email to the same bluewin customer yesterday = successfully. Only the<br class=3D"">reply on that receiver today which = I received and replied again got<br class=3D"">rejected. And the = response is cryptic to me. <br class=3D""><br class=3D"">And if = you mail to <a href=3D"mailto:[email protected]" = class=3D"">[email protected]</a> <<a href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>> you get<br class=3D"">the = same error...<br class=3D""><br class=3D"">So who is this famous DNSNULL = I should contact?<br class=3D""><br class=3D""><br class=3D""><br = class=3D""><blockquote type=3D"cite" class=3D"">On 11 Jul 2019, at = 13:49, Florin sfetea <<a href=3D"mailto:[email protected]" = class=3D"">[email protected]</a><br class=3D""><<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>>> wrote:<br class=3D""><br = class=3D"">See <a = href=3D"https://community.swisscom.ch/t5/E-Mail/Bluewin-akzeptiert-E-Mails= -von-eigener-Domain-nicht/td-p/570002" = class=3D"">https://community.swisscom.ch/t5/E-Mail/Bluewin-akzeptiert-E-Ma= ils-von-eigener-Domain-nicht/td-p/570002</a><br class=3D""> <br = class=3D""> <br class=3D"">Beste Gr=C3=BCsse, Regards si s-auzim de = bine <br class=3D"">Florin Sfetea<br class=3D""> <br = class=3D"">*From: *<a href=3D"mailto:[email protected]" = class=3D"">[email protected]</a><br class=3D""><<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>><br = class=3D"">*Sent: *Thursday, July 11, 2019 12:00<br = class=3D"">*To: *<a href=3D"mailto:[email protected]" = class=3D"">[email protected]</a> <<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>><br = class=3D"">*Subject: *swinog Digest, Vol 174, Issue 3<br = class=3D""> <br class=3D"">Send swinog mailing list submissions = to<br class=3D""> <a = href=3D"mailto:[email protected]" = class=3D"">[email protected]</a> <<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>><br class=3D""> <br = class=3D"">To subscribe or unsubscribe via the World Wide Web, visit<br = class=3D""> <a = href=3D"http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog" = class=3D"">http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog</a><br = class=3D"">or, via email, send a message with subject or body 'help' = to<br class=3D""> <a = href=3D"mailto:[email protected]" = class=3D"">[email protected]</a><br class=3D""><<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>><br = class=3D""> <br class=3D"">You can reach the person managing the = list at<br class=3D""> <a = href=3D"mailto:[email protected]" = class=3D"">[email protected]</a> <<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>><br = class=3D""> <br class=3D"">When replying, please edit your Subject = line so it is more specific<br class=3D"">than "Re: Contents of swinog = digest..."<br class=3D""> <br class=3D""> <br class=3D"">Today's= Topics:<br class=3D""> <br class=3D""> 1. bluewin = & DNSNULL (Andreas Fink)<br class=3D""> <br class=3D""> <br = class=3D"">---------------------------------------------------------------= -------<br class=3D""> <br class=3D"">Message: 1<br class=3D"">Date: = Thu, 11 Jul 2019 11:32:38 +0200<br class=3D"">From: Andreas Fink <<a = href=3D"mailto:[email protected]" class=3D"">[email protected]</a> = <<a href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>>><br class=3D"">To: "<a = href=3D"mailto:[email protected]" class=3D"">[email protected]</a> <<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>>" <<a = href=3D"mailto:[email protected]" class=3D"">[email protected]</a><br = class=3D""><<a href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>>><br class=3D"">Subject: = [swinog] bluewin & DNSNULL<br class=3D"">Message-ID: <<a = href=3D"mailto:[email protected]" = class=3D"">[email protected]</a><br = class=3D""><<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>&g= t;><br class=3D"">Content-Type: text/plain; charset=3D"us-ascii"<br = class=3D""> <br class=3D""> <br class=3D"">Does any one have a = clue what DNSNULL means in the following context<br class=3D"">of a mail = delivery error?<br class=3D""> <br class=3D""> <br = class=3D""> <br class=3D""><....@<a href=3D"http://bluewin.ch" = class=3D"">bluewin.ch</a><br class=3D""><<a href=3D"http://bluewin.ch/"= class=3D"">http://bluewin.ch/</a>> <<a = href=3D"mailto:[email protected]" = class=3D"">mailto:[email protected]</a>>><br class=3D"">(<a = href=3D"http://mx-v02.bluewin.ch" class=3D"">mx-v02.bluewin.ch</a><br = class=3D""><<a href=3D"http://mx-v02.bluewin.ch/" = class=3D"">http://mx-v02.bluewin.ch/</a>> <<a = href=3D"http://mx-v02.bluewin.ch/" = class=3D"">http://mx-v02.bluewin.ch/</a>>:<br class=3D"">554 <a = href=3D"http://mxbw.lb.bluewin.ch" class=3D"">mxbw.lb.bluewin.ch</a><br = class=3D""><<a href=3D"http://mxbw.lb.bluewin.ch/" = class=3D"">http://mxbw.lb.bluewin.ch/</a>><<a = href=3D"http://mxbw.lb.bluewin.ch/" = class=3D"">http://mxbw.lb.bluewin.ch/</a>> vim<br class=3D""><a = href=3D"http://dzmsp-mxin12.bluewin.ch" = class=3D"">dzmsp-mxin12.bluewin.ch</a><br = class=3D""><http://dzmsp-mxin12.bluewin.ch/> <http://dzmsp-m= xin12.bluewin.ch/><br class=3D"">Swisscom AG IP: 79.134.251.203, You = are not allowed <br class=3D"">to send us mail. Please see DNSNULL = if you feel this is in<br class=3D"">error)Reporting-MTA: = dns; mail.fink.org<br = class=3D""><http://mail.fink.org/> <http://mail.fink.org/>= ;<br class=3D"">Arrival-Date: Thu, 11 Jul 2019 11:19:58 +0200<br = class=3D"">...<br = class=3D""></blockquote></blockquote></div></div></blockquote></div><br = class=3D""></body></html>= --Apple-Mail=_7865F931-361B-4759-9231-DE9649CD079D-- --===============0763103745== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ swinog mailing list [email protected] http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog --===============0763103745==--