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BootsMan

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Now, when KMS supporting Caller-ID - is it going to support SPF as well?
http://spf.pobox.com/

[Updated on: Tue, 20 April 2004 04:35]

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BootsMan

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For example here is the list of well known domains who is using SPF:
http://spftools.infinitepenguins.net/earlyadopters.php

* altavista.com Web search engine
* amazon.com Leading international online retailer
* aol.com Large international ISP
* bytemark.co.uk UK open-source-friendly hosting providers
* declude.com Managed email service provider
* dyndns.org Dynamic DNS services
* earthlink.net Large US ISP
* eonline.com International showbiz and entertainment channel.
* eortc.be European Organisation for Research and Treatment of Cancer
* freebsd.org Home of the popular free operating system
* frontiernet.net US ISP
* gmx.net Popular mail service provider
* gnu.org Home of the Gnu Free Software movement
* google.com Web search engine
* hushmail.com Secure webmail provider
* ksan.de Kassel Media Research Centre
* listbox.com Email discussion list services
* livejournal.com Million-user online journal site
* mail.com Major webmail provider
* mailfrontier.com Manufacturers of email protection software
* motleyfool.com International financial news and advice
* nec-europe.co.uk Multinational consumer electronics manufacturer
* oreilly.com Publishers of computer books
* oxford.ac.uk Top-flight UK university
* pairnic.com Domain Registrar services
* perl.org The popular open-source language
* philzimmermann.com Home of the creator of PGP
* pobox.com "Lifetime Email" fowarding service
* spamassassin.org Popular open-source spam filter software
* spamhaus.org Respected blocklist provider
* symantec.com Norton Anti-Virus and Symantec security products
* telus.com Major canadian telecoms and network supplier
* thyrsus.com Home of open-source visionary Eric S. Raymond
* ticketmaster.com Online ticket sales for major events
* tpg.com.au Large australian ISP
* w3.org The World Wide Web Consortium
* worldonline.de Large german ISP
* bbc.co.uk British national TV and radio broadcaster
* bigfoot.com Communications management services including email forwarding
* boeing.com Major international aeronautical corporation
* debian.org Popular linux distribution
* dell.com Major personal computer manufacturer
* demon.net Large UK ISP
* e-gold.com Gold-backed online currency
* ebay.com International auction site
* esa.int European Space Agency
* f-prot.com FRISK software anti-virus products
* gateway.com Personal Computer Manufacturer
* hotmail.com International webmail provider owned and operated by Microsoft
* hp.com Major computer hardware manufacturer
* ibm.com Major international computer hardware and service supplier
* intel.com Major international semiconductor corporation.
* itv.com UK National TV broadcaster
* kasperskylabs.com Manufacturers of anti-virus software
* linux.org Home of the Open Source operating system
* mcafee.com Manufacturers of anti-virus software
* messagelabs.com Managed email service provider
* nai.com Network Associates / McAfee
* nildram.net Large UK ISP
* paypal.com International money transfer service
* pgp.com Manufacturers of data security products
* php.net Popular open-source scripting language
* rackspace.net Major UK hosting provider
* redhat.com Popular Linux Distribution
* sendmail.com Secure e-mail and anti-spam solutions
* slashdot.org Geek news site
* sophos.com Manufacturers of anti-virus and anti-spam software
* surfcontrol.com Manufacturers of web and email filtering software
* t-online.de Large german ISP
* trendmicro.com Manufacturers of anti-virus software
* uol.com.br Large brazilian ISP
* verizon.net Large US ISP
* wanadoo.fr Large french ISP
* yahoo.com International portal and email service
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RHarmsen.nl

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Would be nice... more Counter Spam measures
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rhunter

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Given the greater support for SPF currently, maybe they'll implement it in addition to Caller ID.

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jshaw541

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I'm happy to see aol.com and yahoo.com on this list. This is where a lot of our spam is being spoofed as.

How about it, Kerio?

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BootsMan

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It was added to wish list.

[Updated on: Thu, 15 April 2004 01:31]

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rhunter

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What is the wish list?
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BootsMan

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This is what I get in respond to my request from Kerio Customer Service:

"
Hi Alex,
I will forward your email to development and ask them to add this to their wish list.
"

Hope development department will get it. ;)

[Updated on: Thu, 15 April 2004 05:14]

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jshaw541

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Coincidently, there's also an article on SPF in the most recent Linux Journal for those who mught be interested. It seems like a lot of folks and companies are actively implementing and supporting this over Microsoft's Caller ID scheme.

Kerio MailServer 6.7.1 w/AD
Windows Server 2003 SP 1
Dell PowerEdge 2850 (Dual Xeon 3.2ghz and 2 GB RAM)
~1300 users
~1000+ concurrent IMAPS connections
iPhone users
Outlook 2007 KOFF users
Apple iCal 10.5/10.6 users
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RHarmsen.nl

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but it is almoste the same...
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mitch

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According to the SMTP+SPF: Executive Summary, SpamAssassin will use SPF in version 2.70. Kerio MailServer's spam detection is based on SpamAssassin, so hopefully Kerio will "inherit" that functionality.
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mkanat

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Yeah, I asked the same thing, when we first implemented Caller ID. Smile I don't actually know the answer, yet, but it's always possible that we'll implement SPF.

The problem with SPF is that it requires some updates in the DNS infrastructure, and I think it's not as simple as Caller ID is. I know for sure that Caller ID handles almost every imaginable situation with regards to outgoing email; I'm not sure how SPF handles the different situations.

SPF and Caller ID are still both draft standards. SPF probably has a few years to go in the IETF process, and Caller ID will probably be finalized in a few months, if it even changes at all.

The nice thing about Caller ID is that it's really easy to implement, and it doesn't require and updating of the actual infrastructure behind worldwide DNS. That is, it doesn't create a new type of DNS record. Smile It just uses TXT records, which every DNS server in the world today can do. Smile

At first, I thought, "Oh, Caller ID, this must be some strange Microsoft scheme. What's their incentive?" Then, I read the specification, both for implementors and for email senders. I realized a few things. First, that Caller ID is actually technically really sound. It's well thought-out, and it's easy for administrators to manage. Second, Microsoft explains that they get 3 billion emails in hotmail in some short amount of time, 2.5 billion of which are spam. So their incentive is to cut down on their incredible email traffic by a huge amount. Smile I think that's something that none of us object to. Smile

-Max

Maxwell Kanat-Alexander
2nd Level Support Engineer, USA
Kerio Technologies
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BootsMan

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mkanat, if you will reed documentation for SPF, than you will see, that it's working exactly as Caller ID - it's using TXT record in DNS and don't need any updates in the DNS infrastructure! At the same time SPF not using XML, but Caller ID using XML in DNS record.
Also SPF came on the market early than Caller ID, but Caller ID was more advertised by Microsoft.

Check this:
This is my DNS record for Caller ID (domain covers.com):

_ep TXT ( "<ep xmlns='http://ms.net/1' testing='true'><out><m><mx/></m><m><a>24.222.96.26</a ><a>64.5.208.229</a></m></out></ep>" )

And This is my DNS record for SPF (domain covers.com):

<at> TXT ( "v=spf1 ip4:64.5.208.229 ip4:24.222.96.26 mx ~all" )
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BootsMan

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Still hoping to get it in to Kerio Mail Server. ;)
jshaw541

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BootsMan wrote on Tue, 01 June 2004 05:31

Still hoping to get it in to Kerio Mail Server. ;)


I imagine we will, eventually. Caller ID is being deprecated as Microsoft and the SPF folks are now working together and combining SPF and Caller ID.

Kerio MailServer 6.7.1 w/AD
Windows Server 2003 SP 1
Dell PowerEdge 2850 (Dual Xeon 3.2ghz and 2 GB RAM)
~1300 users
~1000+ concurrent IMAPS connections
iPhone users
Outlook 2007 KOFF users
Apple iCal 10.5/10.6 users
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