swinog March 2011

swinog@lists.swinog.ch

38 participants
25 discussions

Re: [swinog] Spam-Points if there is no SPF Record?
by Oliver Schad 14 Mar '11

14 Mar '11

Am Monday 14 March 2011 schrieb mir Benoit Panizzon: > We got two customers (one is another ISP) pretending that they have > observed, that Google, Sunrise and other Services have startet > flagging their customer's emails as spam, because the sender domain > has not SPF record. Not an 'non matching' SPF record, but the sender > just dones not use SPF at all. > > From my point of view especialy an ISP should be very carefull with > SPF. Indeed. In my point of view, SPF is only useful in very special cases because the drawbacks are very wide spreaded and the benefit even small. Forcing SPF for cases where it doesn't fit is a very "interesting" step. Using SPF in a spam filter to give some minor positive weighting in the spam score is ok but to use it to flag spam? I can't imagine that somebody does that. It sounds very stupid to me. Regards Oli

5 4

Swisscom / IP-Plus prefix filtering
by Guazzoni Daniele, CH 09 Mar '11

09 Mar '11

Could someone from IP-Plus contact me offlist ? It seems that you have an incorrect prefix-filtering. regards ------------------------------------------------------------------ Daniele Guazzoni Senior Network Engineer Cisco Certified Network Professional Email: daniele.guazzoni(a)audatex.ch Audatex (Switzerland) LLC Zollstrasse 62 CH-8021 Zuerich Tel : +41 44 278 87 54 Fax : +41 44 278 85 15 Web : http://www.audatex.com <http://www.audatex.com/> Audatex , a Solera company "This e-mail, any associated files and the information contained in them are confidential and is intended for the addressee(s) only. If you have received this message in error please notify the originator and delete the email immediately. The unauthorised use, disclosure, copying or alteration of this message is strictly forbidden. E-mails to and from the company are monitored for operational reasons and in accordance with lawful business practices. Any opinions expressed are those of the individual and do not necessarily represent the views of the company. The company does not conclude contracts by email and all negotiations are subject to contract. We make every effort to maintain our network free from computer viruses but accept no responsibility for any viruses which might be transferred by this e-mail."

1 0

Mobile operator DATA ip ranges - for a 6 pack
by Reza Kordi 07 Mar '11

07 Mar '11

Hi Guys Any idea where to find the find the ip address ranges that mobile operators use worldwide for data networks gprs, 3g, etc. ? Without having to query RIPE db for hours. Best clue gets a 6 packs ;) Cheers Reza

1 0

Anti-virus solution for Linux mail server
by Philip Iezzi 04 Mar '11

04 Mar '11

Hi there We're a small Swiss hosting provider. Currently we host over 4000 IMAP mail accounts on Debian Linux mail servers (Postfix/Amavis/Spamassassin/ClamAV/Cyrus). As anti-virus solution we are using ClamAV over Amavis (amavisd-new) at the SMTP level. We are looking for a more professional anti-virus solution and would like to add another anti-virus engine as primary scanner engine. Our favorite is Kaskpersky Anti-Virus for Mailservers but Kaskpersky does not seem to offer any affordable license that would match our business type (KAV for Linux Mail Server for 50(!!!) mail "addresses": CHF 2043/year). Their price model doesn't make any sense for our business. We are ready to pay up to CHF 1000/year for an anti-virus scan engine but not much more than that. ClamAV is not too bad, but the reaction time upon new threats has always been a bit faster in commercial anti-virus solutions. I don't want to start a flame war about this, it's just my personal experience during the last couple of years. What other solutions are small hosting providers using next to ClamAV? What are you using? Thanks for your advice! Regards, Philip

5 4

SwiNOG-BE95 - Beer Event 95 - 7th of March 2011 @ Santa Lucia Wiedikon
by Steven Glogger 03 Mar '11

03 Mar '11

hi everybody here's the announcement for the next beer event. the facts for the next event: ----------------------------- Date: 7th of March 2011 Time: starting around 18.30 o'clock Location: @ the "Santa Lucia Wiedikon" near Triemli ZH http://www.bindella.ch/restaurants/uebersicht.php?restaurant_id=36&konzept_… Registration deadline: 06.03.2011 18:00 (monday) Registration: http://swinog.mrmouse.ch ----------------------------- Please register here: http://swinog.mrmouse.ch/ since we have to make reservations, i need to know who's coming and who not. If you cannot attend and you're registered please inform me asap (+41 79 277 92 35). -steven

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swinog March 2011