Interpreting headers added by Postini
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Interpreting headers added by Postini
05-12-2007 12:28 AM
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http://www.postini.com/admindoc/header_overview.html
Also available is a tool in to which the headers for any email which has gone through the Postini servers can be posted. This gives a detailed analysis of of why an email was or was not considered spam:
http://www.postini.com/support/header_analyzer.php
A sample of the results from this tool for a spam email is attached at the end of this post.
As interpreting the headers is tedious, Plusnet have been adding a special header (X-pn-pstn). This single header tells you how "spammy" a message was considered to be by Postini. Advanced users may wish to implement mail rules based on this header.
14/01/2008 Bob Pullen has announced a change in the way headers are added to emails and the implementation of tagging with [-SPAM-] based on the Postini scoring in a post here. This post containing the following information:
- Enable subject line tagging based on Postini headers.
- Bypass Dspam for those on the Postini platform (effectively turning it off).
- Enable virus quarantining (The notifications have not been getting sent for those on Postini up until now).
- Lower the spam threshold so that the subject line of emails are only tagged for messages scoring below 0.15 (The original perception was that we'd be doing this for messages scoring below 0.30 - This is of course subject to review and feedback).
- Introduce a 'sliding scale' for the X-pn-pstn header. There will be 5 basic levels of spam detection:
X-pn-pstn: Spam 1 (Subject line tagged with [-SPAM-])
X-pn-pstn: Spam 2
X-pn-pstn: Spam 3
X-pn-pstn: Spam 4
X-pn-pstn: Spam 5
These levels will be based on the following spam scoring (hope this makes sense):
(1) < 0.15 > (2) < 0.30 > (3) < 1.00 > (4) < 3.00 > (5) < 8.00
Further information on viewing email headers can be found here -
http://www.plus.net/support/email/email_troubleshooting/email_troubleshooting.shtml
Edit: This post has been rewritten to contain the latest information available on this subject.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
05-12-2007 6:39 AM
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*Bookmarks*
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: Interpreting headers added by Postini
09-12-2007 10:56 AM
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jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
10-12-2007 12:24 PM
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Quote from: pwebb
If you want a helping hand interpreting the headers of a specific e-mail go to http://www.postini.com/support/header_analyzer.php
Phil
Thanks Phil
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
10-12-2007 12:30 PM
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jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
10-12-2007 8:02 PM
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X-pstn-levels: (S:41.96081/99.90000 R:95.9108 P:95.9108 M:95.5423 C:98.6951 )
X-pstn-settings: 1 (0.1500:0.1500) gt3 gt2 gt1 r p m c
and
X-pstn-levels: (S: 0.00233/94.89055 R:95.9108 P:95.9108 M:97.0282 C:98.6951 )
X-pstn-settings: 1 (0.1500:0.1500) gt3 gt2 gt1 r p m c
and tell you which was spam and which wasn't without some guidance?
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
10-12-2007 8:49 PM
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Given that the forum has 7041 members and the useful links has only been read a total of 1330 times I think it would be buried in there.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
12-12-2007 7:41 PM
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Post bumping this thread have been removed.
Jonathan
aka Chilly
Re: Interpreting headers added by Postini
12-12-2007 8:53 PM
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Re: Interpreting headers added by Postini
12-12-2007 9:10 PM
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If anyone comes across anything that they think needs to be included in the first post in this topic please flag it up and I'll update it.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
17-12-2007 2:58 PM
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Quote from: jelv [snip]...but how many people could look at X-pstn-levels: (S:41.96081/99.90000 R:95.9108 P:95.9108 M:95.5423 C:98.6951 )
X-pstn-settings: 1 (0.1500:0.1500) gt3 gt2 gt1 r p m c
andX-pstn-levels: (S: 0.00233/94.89055 R:95.9108 P:95.9108 M:97.0282 C:98.6951 )
X-pstn-settings: 1 (0.1500:0.1500) gt3 gt2 gt1 r p m c
and tell you which was spam and which wasn't without some guidance?
I'm gonna say I think the first is the one more likely to be considered spam - a guess made without any knowledge or understanding (or really caring) about the postini thingummybob.
Suppose I have a 50/50 chance
Re: Interpreting headers added by Postini
17-12-2007 3:08 PM
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I think you've just proved why my post is needed!
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Interpreting headers added by Postini
17-12-2007 3:21 PM
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I suspect that the majority of users don't really care - I looked for the tongue-in-cheek emoticon but couldn't find it.
50/50 chance was supposed to highlight the fact that I just chose one without even looking.
Will make a note to try harder with the humour in future.
Re: Interpreting headers added by Postini
17-12-2007 3:23 PM
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Re: Interpreting headers added by Postini
17-12-2007 3:27 PM
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- Re: Interpreting headers added by Postini