[swinog] Anyone else asked for MX-List by Verizon?

Hi all 10 Days ago, the Verizon 'Whitelist' Team (without name of any responsible person) send an email to our NOC to get the list of MXes used in our domains. Apparently because they were blacklisting our IP-Range. (Which I couldn't notice according our mailserver logs.) So I wrote back to

[swinog] Joe-Job against polizei(dash)gegen(dash)schengen(dot)ch

Hi all In short time we got several Email sent from ISP's in India, Singapoore etc. advertizing the named website. They even hit the SWINOG Spamtraps and got the URL blacklisted within short time. So I contacted the Hoster and Mr. Nöthiger of the secretary of this organisation. He was quite

[swinog] Prevent Bounces from MS-Exchange?

Hi all We got occasional complaint from spamcop and similar about exchange servers of customers sending bounces to faked sender addresses. The only way to solve this problem I have found is to completely disable NDR in Exchange: http://support.microsoft.com/default.aspx?scid=kb;en-us;294757

Re: [swinog] Prevent Bounces from MS-Exchange?

Am Montag, 30. Januar 2006 19.59 schrieb Lukas Beeler: * Benoit Panizzon [EMAIL PROTECTED]: Isn't there any way to make exchange reject unknown users during smtp handshake like all other MTA do? Of course there is: Go into ESM, Global Settings, Nachrichtenübermittlung, Empfängerfilterung

Re: [swinog] good and bad blacklists?

Am Dienstag, 28. Februar 2006 11.28 schrieb Marco Balmer: Hello, Has everyone experiences with good and bad blacklists for mail-servers? For the moment I use the following three: relays.ordb.org sbl-xbl.spamhaus.org bl.spamcop.net I wouldn't use Blacklist for direct blocking anymore. Just

Re: [swinog] good and bad blacklists?

Am Dienstag, 28. Februar 2006 11.45 schrieb Alexis Caceda: Hi Fredy! Well.. It's NOT Xchange and NOT Pine ;) FC is exaclty as BAD :-) -Benoit- -- SPAM SPAM SPAM SPAM / Hormel's new miracle meat in a can Tastes fine, saves time. / If you want something grand, / Ask for SPAM! - Hormel's 1937

[swinog] T-Online 'dial-up' blocking problems?

Hi all Does somebody have a direct contact to a T-Online mailadmin? It looks like all 6 months or so, they put static IP-Ranges of our customers with own mailserver on their internal 'dial-up' blacklist. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System

Re: [swinog] Sunrise ICMP filtering ?

:0d 0h 2m 24s Last State Change: 31-01-2007 13:48:29 Current State Duration: 0d 21h 1m 47s Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System Services __ Zurlindenstrasse 29 Tel +41 61 826

[swinog] Any others having troubles with mails being rejected by: mail-fwd.mx.hostcenter.com

the only ISP which gets this many complaints about emails not being accepted by mail-fwd.mx.hostcenter.com or are others also affected? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System Services

Re: [swinog] Whitelist website

Ranges still missing in this whitelist. = [EMAIL PROTECTED] Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System Services __ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 PrattelnFax

Re: AW: [swinog] Whitelist website

, this would be a bit useless :-) Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System Services __ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 PrattelnFax +41 61 826 93 01 Schweiz

Re: AW: AW: [swinog] Whitelist website

to score them correctly. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System Services __ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 PrattelnFax +41 61 826 93 01 Schweiz

[swinog] Cablecom / chello.at plase contact me offline re your mailservers in various blacklists

into the SWINOG whitelists - no reply. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System Services __ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 PrattelnFax +41 61 826 93 01

Re: AW: [swinog] Skype

Am Montag, 20. August 2007 14:15 schrieb Josh Geisser: Although skype is funny, see online status and have a chat, it's not a real phone-solution. Someone ever did transcontinental calls? 400ms+ rta? The good old ISDN is much better :) And if you dont like fiddeling around with ISDN and

Re: AW: [swinog] Skype

Am Montag, 20. August 2007 14:29 schrieb Michael Horn: On Mon, 20 Aug 2007, Benoit Panizzon wrote: I once had 100Fr./Month free Swisscom calls. So I started announcing the whole Swiss FixNet ranges. This did work pretty well, many other Asterisk users made good use of my ISDN lines

[swinog] ImproWare ist hiring: Kundendienst Mitarbeiter (First Level Support / Shop) 100%

Hi all If anyone is interrested http://jobs.imp.ch/IMP_Kundendienst_Stellenausschreibung.pdf Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-System Services __ Zurlindenstrasse 29 Tel +41 61 826 93

Re: [swinog] bluewin mail servers load balancers don't like AAAA - breaks email

On Wednesday 31 October 2007 19:25, Jeroen Massar wrote: As somebody else mentioned today there seems to be something fishy with the bluewin mailservers, I guess the culprit is the Load balances which seem to act as NS's. But as these are really nice Load Balancers are future proof, the real

Re: [swinog] Attack to ch.pool.ntp.org?

On Friday 16 November 2007 11.29:56 Mario Iseli wrote: Hi, my 3 servers in my personal serverfarm are all listed in the ch.pool.ntp.org zone. As I think there are also other SwiNOG people running ntpd's for that project. For about 36 hours my firewall log is growing and growing, looks like a

[swinog] Which Hosting Pannel can you recommend?

Hi all ScoutNet Switzerland (www.scout.ch) is an association offering hosted services to the swiss guide and scout movement and other scouting groups in switzerland. We have the urgent need to renew our hosting platform. We did try to develop an own environement exactly fitting our needs for

[swinog] Notice of Copyright Infringement - How do you proceed?

warning to your users if you get such messages? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter Kundendienst __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61

[swinog] Latency problems to Lambdanet?

from our network and not from others like bluewin. Do others also experience latency problems to lambdanet in the evenings? Regards Benoit Panizzon -- I m p r o W a r e A G-Leiter Kundendienst __ Zurlindenstrasse 29 Tel

Re: [swinog] I miss you spam...

Am Dienstag, 4. November 2008 08:46 schrieb Adrian Kägi: About 2 weeks we receive approx. 30% less Spam on our Firewall. someone knows the same phenomenon? Not really. Yesterday we got quite little spam:

Re: [swinog] I miss you spam...

Am Dienstag, 4. November 2008 08:54 schrieb Benoit Panizzon: Am Dienstag, 4. November 2008 08:46 schrieb Adrian Kägi: About 2 weeks we receive approx. 30% less Spam on our Firewall. someone knows the same phenomenon? Ok, I must correct my statement. Since mccolo etc. are down, spam has

[swinog] Bluewin restricting access to smtp-auth on ip base?

it is not usable anymore from some ip-ranges (like ours and freesurf I was told). Anyone here from bluewin tech to confirm this and explain why? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer Care

[swinog] Fully dynamic DNS Virus?

and control server? But also this IP seams to change from time to time. So what's the best option to get those hosts down? Kind regards Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer Care __ Zurlindenstrasse 29 Tel

[swinog] Cablecom Mailserver troubles?

]: n2KMnSge030901: from=*annonymiz...@hispeed.ch, size=5069702, class=0, nrcpts=1, msgid=c89b210d-7cf2-4c69-8f2d-7cfc6e204...@hispeed.ch, proto=ESMTP, daemon=MTA, relay=viefep19-int.chello.at [62.179.121.39] Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer

Re: [swinog] Greylisting

On Monday 19 October 2009 18.27:25 Gregoire Galland wrote: Hi all! I was wondering who is using Greylisting in their compangny, and if yes, do they receive any complaints from customers about latency or not deliverance of mail? There are mailservers out there who don't cope with greylisting.

[swinog] Mailflooding by Cablecom (UPC Vienna) Mailservers?

? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer Care __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz

Re: [swinog] Mailflooding by Cablecom (UPC Vienna) Mailservers?

Hello Problem still persisty... Anyone @ Cablecom / UPC reading this list? I did already try to contact the techs I had contact with last time this problem occured. No reply yet Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer Care

[swinog] UPC Austria / Cablecom Mailbombing

waiting for feedback. We tell all our affected customers to tell the sender (which are Cablecom customers) to contact their customer hotline, but we get feedback that the cablecom customer hotline does not manage to get that problem solved either. Kind regards Benoit Panizzon -- I m p r o W a r e

Re: [swinog] cablecom 8306 problems?

On Saturday 12 December 2009 10.43:23 Pim van Pelt wrote: Hoi, At home I have a cablecom consumer connection and it broke yesterday at around 11pm. I tried to call the 0800 668866 hotline but it seems it's .. well, hot :) because I get network busy when calling and every now and again I can

Re: [swinog] Swinog DNSRBL Whitelist

with a swisscom server that was not listed (which I would expect). If nobody told us, we probably didn't notice :-) The server in question was 194.11.148.23 (outmail43.swisscom.com). Tnx, it's being added now. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter

[swinog] Swinog has started public DNSSEC

Hi all It looks like Switch has enabled DNSSEC in the nic.ch Web Interface. I was able to register my keys. The whois output states: DNSSEC:Y Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer Care

Re: [swinog] Cablecom / UPC mail anomalies?

, this ends up filling his inbox within very short time. So I'm still looking for a direct contact to an email tech from UPC Vienna who could make a statement what UPC is doing to fix the problem. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer Care

Re: [swinog] DNS: Clueless: Strange problems resolving ch domains...

freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter IT Customer Care __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz Web http

[swinog] Huge delays in 1.4.e164.arpa NAPTR lookups?

Hi out there The last few days I noticed quite a large delay when I first dial a number from my asterisk server. I found that the problem is that the 1.4.e164.arpa lookup takes enormous time to return a NXDOMAIN == ast_get_enum(num='+41618269309', tech='sip', suffix='e164.arpa',

Re: [swinog] SMS provider

Hello We used to use the Swisscom GSM number - 0794998990 - but a couple of months ago, it got unstable, so I took another look. Now we're using the regular landline SMSC 062210, which works very well. But you can only send SMS if you're a swisscom customer, so they can charge the SMS on

[swinog] Motorola ADSL Routers: DNS proxy bug?

Hi all I seam to quite often stumble over this bug and wonder if the router is buggy or the client is buggy. Most Motorola ADSL/VDSL Routers which Swisscom sent to their customers for about the last two years or so, have a DNS proxy enabled by default. The dhcp clients get the IP address of

[swinog] DNS: Is a SOA required?

at the ru. SOA and entries pointing to the two NS. So what is broken with that zone (and many many more ru. and cn. zones). Or is it OK for a DNS Server not to return any SOA information? Isn't that mandatory? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G-Leiter

[swinog] swinog dnsrbl: looking for secondaries

frequent ixfr updates. The zonefiles are not too large (50MB at the moment). We use bind 9.6.ESV.R1. Please contact me off-list if interrested. Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826

Re: [swinog] Cablecom outage ?

Any information why we can't reach cablecom phone numbers, their website or their DNS servers ? I suppose a DNS only outage. I have a running VPN Tunnel to my Home and use my own DNS. I have connectivity. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G

[swinog] Reporting GPRS Spam to Swisscom

via spamassassin or similar, makes it possible for swisscom to find their infected customers. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 Pratteln

Re: [swinog] Spam-Points if there is no SPF Record?

accept our emails? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz Web

Re: [swinog] Connectivity problems with .255 IP Adress

customers getting such addresses had troubles connecting to various services out there. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 Pratteln

[swinog] Anyone else experiencing Problem with emails from Google/Postini?

an exchange server, but the MX of the sender points to Googles Postini Service. Do some others experience similar problems with customers hosted @postini? Is Postini using MS Exchange Servers? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G

Re: [swinog] Message delivery to sunrise

We currently experiencing problems delivering mail to mx.sunrise.ch and our queues are growing. Is anybody else experiencing problems delivering mail to sunrise? Same here, both their mx resolve to the same IP and port 25 does not react. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o

[swinog] proxad.net and SWINOG Anti-Spam Blacklists

) and is blacklisted on dnsrbl.swinog.ch which also affects other proxad.net customers. Apparently proxad.net tells their customers to call us and refuse to get in contact with us to solve the issue. Kind regards Benoit Panizzon -- I m p r o W a r e A G

[swinog] What GeoIP Locator service do srf.ch, bluewin.ch and iTunes use?

://www.ipaddresslabs.com and http://www.maxmind.com Do locate the ip addresses correctly to switzerland. So I suppose SRF uses some other service. Does somebody know what GeoIP Locator services srf.ch uses? The SRF IT Helpdesk was not able to tell me. Kind regards Benoit Panizzon -- I m p r o W

Re: [swinog] What GeoIP Locator service do srf.ch, bluewin.ch and iTunes use?

Hello The Problem was solved. They use an offline version of the wipmania.com GeoIP Database. They added our range to their offline database and we have also submitted the range to wipmania.com as it was flagged 'unknown'. -Benoit- ___ swinog

[swinog] Pro / Contra Backup MX?

can you avoid the disatvantage to generate a shitload of bounces when operating ab backup MX? - Is it true, that most ISP offer this kind of service? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G

[swinog] Pro / Contra Smarthosting

email infrastructure as smarthost? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz

[swinog] 'Foreign' IP Addresses assigned to swiss customers?

? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz Web http://www.imp.ch

[swinog] MS DNS creating invalid records rejected by Bind check-names?

A record with underscore is re-created by the ADS and the problem is back. Is this some kind of MS DNS bug, or have the DNS RFCs been updated recently to also allow underscores in other RR and some non bleading edge versions of bind still use the check from previous rfc? Benoit Panizzon -- I m p

[swinog] TSP: Agreement template for 'clip no screening' / 'special arrangement'

use as a template for our agreement? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz

[swinog] Email forwarding and backscatter, any idea how to solve?

freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz Web http://www.imp.ch

Re: [swinog] DDOS DNS Attack by Netgear Products caused by CNAME instead of A record?

Hi Jeroen You want to deploy RRL. Please see http://www.redbarn.org/dns/ratelimits Excellent, thank you. Didn't know that bind feature. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29

Re: [swinog] How to automate abuse complaints for ip based violations

via DNS: $ host -t txt 0.0.161.157.abuse-contacts.abusix.org 0.0.161.157.abuse-contacts.abusix.org descriptive text ab...@imp.ch Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29

[swinog] Google IPv6, wrong Geolocation?

: CH Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz Web http

[swinog] Broken SPF Check implementation in Microsoft Exchange Forefront?

implementation. Or did the exchange admin just misconfigure his server? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41

[swinog] .com registrar that offers DS records and IPv6 Glue

Hello I'm on a task that turn out to be harder that I expected. From switch.ch registered .ch domains I'm used to be able to specify the IPv6 addresses of my DNS servers and to upload the DS keys needed for the DNSSEC chain. Now I would like to do the same for a .com domain. But as of today

[swinog] Google DNS outage?

Hey there Anyone still able to resolve Google? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02

Re: [swinog] upc cablecom - mail.upccablecom-emailbilling.ch

Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz Web http://www.imp.ch

[swinog] Danke Switch für die Offenlegung des Registrars

findet man auch nicht auf der Webseite, ob dessen DNS-Server überhaupt via IPv6 erreichbar sind, ob diese IPv6 Glue Records und DNSSEC unterstützen, und ob man die DS Records selber aktualisieren kann oder nur via Kundendienst etc. Wird dies auch noch kommen? Mit freundlichen Grüssen Benoit

Re: [swinog] RFC1918 IP's im Internet-Trace outbound - eine Unsitte - oder liege ich falsch ?

höchsten in Richtung zum eigenen Kunden, weil es im lokalen Netz geroutet wird, und auch nur wenn der Kunde hinter seinem NAT nicht dasselbe Netz nutzt und der NAT Router des Kunden RFC1918 nicht droppt. Gruss Benoit Panizzon -- I m p r o W a r e A G

Re: [swinog] Suche nach neuem Registrar

* Price That would give a nice overview and facilitate choosing the right one. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 Pratteln

Re: [swinog] Suche nach neuem Registrar

https://docs.google.com/spreadsheets/d/1UWK6ijLCiLXSIuTT4sS_h0zCqPMCjjhry0b yQprysts/edit?usp=sharing Nice! exactly what I had in mind :-) Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29

Re: [swinog] .ch registrars : goodbye nic.ch, but where to go then ?

the registrars? Solved by openid or a similar technique? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 PrattelnFax +41 61 826 93 02 Schweiz

Re: [swinog] UPC-Cablecom and ip6.arpa

when they get a notification and will re-submit it with the approval key or password. Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 Pratteln

[swinog] Blacklisting of orange.fr mailserver ranges

:193.252.23.174 - 193.252.23.183 inetnum:193.252.23.186 - 193.252.23.255 Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G- __ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 Pratteln

Re: [swinog] Bluewin MX Protocol Errors

Hält sich in Grenzen: # grep postfix-submit /var/log/mail.log | grep relay=mxbw.lb.bluewin.ch | grep -i bounce | wc -l 64 # grep postfix-submit /var/log/mail.log | grep relay=mxbw.lb.bluewin.ch | grep -i -v bounce | wc -l 2919 -Benoît Panizzon- -- I m p r o W a r e A G-Leiter

Re: [swinog] UPC rejecting mails as spam?

Hi Per > Does anyone @UPC happen to know what this means: > > host mx.hispeed.ch [213.46.255.2]: 552 5.2.0 rl4b1r00p3kCCMl01l4bgK > automated process detected unsolicited content > > The email is being sent from a UPC connection, via Hostpoint > (mail.hostpoint.ch) to a user @swissonline.ch. >

[swinog] Zukunft von Abuse Desks (was: Reject von hotmail.com)

Hallo David > Google hat uebrigens auf "mailop" (eine Mailing-Liste fuer Mail > Hoster) gesagt, dass es bei ihnen auch passieren kann, dass ganze > netblocks blockiert werden: > https://www.mail-archive.com/mailop@mailop.org/msg01042.html Danke für den Hinweis. Ich versuche seit Monaten das

[swinog] 'known' DNS Problems with Migros Banking App?

Hello One customer contacted us, because the Migros Banking App does not work from within our network and asked me to contact the Migros NOC to find out what we should change to make it work. From the Migros NOC I got the feedback, that this is an issue they observed with customers whose ISP

Re: [swinog] 'known' DNS Problems with Migros Banking App?

Hi Daniel In the meantime, the Migros APP Support center called me again. They got in contact with the customer for further investigation in the problem and think they found the Problem. The customer has an older ZyXEL WLAN Router with NAT. The APP apparently uses some kind of ipsec

[swinog] Bind9 9.9.5 memory exhaustion attack?

Hello All Anyone else running bind9 and seeing a lot of request with permuted case in the requested resource, which I fear causes bind9 to cache each reply individually leading to memory exhaustion? -Benoît- ___ swinog mailing list

Re: [swinog] Swiss ISPs and IPv6 --- 2016 edition

> Management of companies need to be convinced. Technical folks > typically know that they want it, but are not allowed to play with > it... Oh, I have heard a lot of tech excuses: * Why should I bother with IPv6? IPv4 works fine! * There could be potential security issues with IPv6, so better

Re: [swinog] UPC Mailservers problems with greylisting

Hi Update on the Problem. I got two replies, one yesterday stating, that the problem is about our side, that the UPC servers rotate between 3 IP addresses and this causes problems with greylisting. => Fact: Already last week I told them I see those 3 IP Addresses from within the same /24 and

Re: [swinog] UPC Mailservers problems with greylisting

Same Problem here, since at least 24. December. Opened a case today @ UPC. I keep you updated. -- -Benoît Panizzon- -- I m p r o W a r e A G-Leiter Commerce Kunden __ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133

Re: [swinog] UPC Mailservers problems with greylisting

Hi > I do not greylist servers with correct spf record. With UPC i think > the main problem is the missing NDR. We also do not greylist if the SPF record matches. We do not greylist IP's listed in the DNSWL.org or SWINOG Whitelist either. But none of this was true for the new 'NL' ranges used

Re: [swinog] UPC Mailservers problems with greylisting

Hi Per > Is there any point in greylisting genuine mailservers? We only > greylist dodgy-looking setups. True, no point in greylisting a propper SMTP engine that does queueing and would resend the email later in case of a 4XX error. But how do you find out which ip's to greylist and which not

Re: [swinog] UPC Mailservers problems with greylisting

Quick update on that case. UPC Switzerland is fully aware of the problem. The Mail-Platform in the Netherlands is operated by UPC Austria (probably chello.at). And they still deny that there is a problem on their side and blame the ISPs that do greylisting. UPC Switzerland is trying to escalate

Re: [swinog] Advice after hoax

Hi Dan Operating anti-spam blacklists, adding my email address to all kind of newsletters, online contests etc. apparently is a common revenge from spamers who get listed. Unfortunately too many ESP operators still don't understand that 'real' double opt-in would solve the issue. According to

[swinog] GSM AT command to set 'Validity Period'?

Dear Swinogers We use smsd to send our nagios alarms via a GSM usb stick. I'm looking for some advice after I was not able to find a working solution. The mobile operator we use has a somewhat short queue to accept SMS and when a recipient is not getting the SMS (mobile off during vacation or

[swinog] What blacklists does @bluewin.ch use

Hello List A Mailserver from a business customer of ours is blacklisted @ bluewin. The Error Message from Bluewin MXes directing to the removal site: https://www.swisscom.ch/en/res/hilfe/ip-blacklist.html Our customer has requested removal via this form, no success. Our customer has contacted

Re: [swinog] What blacklists does @bluewin.ch use

Hi Franco and Swinogers Posting on SWINOG does seem to accelerate problem solving sometimes :-) Swisscom has contacted our customer, explained and solved the issue. Apparently the installed a new anti-spam measure short time ago (I don't know if cloudmark is involved). They count the number of

[swinog] GDPR / DSGVO and 'whois' domain data

Dear Swinogers. I run a couple of .com and .ch domains, which are registered via Gandi.net About one week ago, Gandi activated 'privacy protect' on my .com domains, hiding all my contact data in the whois output, without me asking them to do so. They sent an email though, that they would do so

[swinog] Bluewin Error: Der MX-Eintrag fuer die Domaene aerni.com kann nicht verifiziert werden

Hello List Does anyone know, how bluewin does 'verify' an MX? The MX of our customer is prefectly reachable for sender verification but his emails sent 'to' bluewin recipients are getting blocked with: MAIL FROM: <[scrubbed]@aerni.com> Unable to verify MX-Record for domain aerni.com aerni.com

Re: [swinog] Bluewin Error: Der MX-Eintrag fuer die Domaene aerni.com kann nicht verifiziert werden

Dear List Ok, thank you for the replies as they all point out an apparent PTR Problem, let me reply to the list. According to my knowledge of the DNS rfcs (I did not look it up right now). A Host resource may point to an A record another host resource is already pointing to. A Host resource

Re: [swinog] Bluewin Error: Der MX-Eintrag fuer die Domaene aerni.com kann nicht verifiziert werden

Hi Marcel > As for the issue at hand: the DNS servers of your customer are (were) > not properly reachable from our IP ranges or more specifically we are > (were) unable to get the IPs for ns1.aerni.com or ns2.aerni.com. > During our investigation this resolution has mostly recovered and we > are

[swinog] What email headers need to be understood by a PGP/MIME enabled email client?

Hello fellow Swinogers To exchange emails containing potentially sensitive customer information with swisscom, we agreed to use PGP encrytped emails. Now when swisscom is sending an encrypted attachment to us, we get those MIME Headers: --=_Part_5064522_1012233884.1518535424993

Re: [swinog] Huge Packetloss towards switch mirrors?

Am Thu, 9 Aug 2018 10:59:47 +0200 schrieb Claudio Kuenzler : > Update: Switch just changed something in their routing. > No packet loss anymore from both source networks. PING ch.archive.ubuntu.com(frisal.switch.ch (2001:620:0:1002::20)) 56 data bytes ^C --- ch.archive.ubuntu.com ping statistics

[swinog] Huge Packetloss towards switch mirrors?

Hi Community Anyone else experiencing high latency and packetloss towards ch.archive.ubuntu.com / mirror.switch.ch IPv4 via SwissIX. IPv6 via HE. --- frisal.switch.ch ping statistics --- 99 packets transmitted, 34 received, 65% packet loss, time 99279ms rtt min/avg/max/mdev =

[swinog] strange DNS issues with swinog blacklists

Hi Team We have reports of troubles accessing the swinog blacklists. Did SWINOG change Nameservers lately? http://www.zonecut.net/dns/?domain=dnsrbl.swinog.ch still points to switch and saitis and have weird glue record issues. whois show cyon operating the swinog.ch DNS Servers and there the

Re: [swinog] strange DNS issues with swinog blacklists

> whois show cyon operating the swinog.ch DNS Servers and there the glue > records look right. Uhm, die cyon delete the glue records right now? I contacted the hostmaster ser...@cyon.ch about the issue. Mit freundlichen Grüssen -Benoît Panizzon- -- I m p r o W a r e A G-Leiter

[swinog] Any tech from IncaMail Swiss Post on this list?

Hi List I wonder if a tech from IncaMail Swiss Post (sender: swissp...@im.post.ch) source: gw1.incamail.com [194.41.147.13] is on this list and could contact me off-list to check on something? I contacted their abuse desk and support, regarding excessive bounce generation, probably due to some

Re: [swinog] Help with DNSSEC issue... (bncr.fi.cr)

Hi Oli > The most likely reason: > Bind 9.11 enables EDNS cookies by default, but the authoritative > servers for this domain do not handle EDNS correctly: > > https://ednscomp.isc.org/ednscomp/b01039e111 > > quick fix: > server NSNAME { send-cookie no; }; That was the cause and the fix.

[swinog] Help with DNSSEC issue... (bncr.fi.cr)

Hi List Usually I have no problems identifying DNSSEC issues, but I don't get this one. Our two main caching DNS Servers run bind 9.11.2-P1, after flushing the cache and even restarting still see an issue with this domain: 09-Apr-2018 09:28:25.934 no valid RRSIG resolving

[swinog] Do ISP still offer outgoing smtp relaying services to business customers with own smtp server?

Dear List We sometimes get requests from business customers, with own mailserver, which directly receives email via smtp, for an outgoing smtp-relay. I then argue with: * Their server is absolutely capable of sending emails directly * They have better control of the sending process. * They can

[swinog] How do website operators get the mobile phone number of visitors?

Hi List I have read: https://nakedsecurity.sophos.com/2012/01/25/smartphone-website-telephone-number/ And I have sniffed the traffic between my swisscom mobile Samsung Mobile and my Website, but can't find any of the additional headers disclosing my phone number. Is there a trick to make a

[swinog] Swisscom operating Business Customer Mailservices from 'Mobile' IP Ranges?

Hello List We have some issues with emails sent from the kpt.ch online plattform over Swisscom Mobile IP Range: inetnum:138.188.0.0 - 138.188.255.255 netname:Swisscom-Mobile country:CH There is no SPF entry and the sending ip addresses are not listed by dnswl.org nor the

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