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migsutu

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I finally got the entire company switched over this weekend. Since this weekend we have received over 2000 messages, many of which are spam. It has rejected around 800 messages, but we are still getting quite a few spam messages in. I have instructed everyone using outlook to mark what is spam and what isn't, and if I check the spam logs, everyone is doing it. However when I check the SpamAssassin tab, it shows 600+ messages learned as spam, but only 140 messages learned as not spam.

To see if it was working, I went to a user's account, marked some new messages as not spam. I checked the spam logs, and it shows that user having marked the messages as not spam. When I go back to the SpamAssassin tag, it still only shows 140 messages learned as not spam. Why would this be case?

I have another question related to this as well. Most of our users are using Outlook Connector. However we have a handful of people using Thunderbird via IMAP. I am confused though as to how the IMAP spam tagging works. Messages in the inbox are considered not spam, and messages moved to the junk email folder are spam? How does this work when all messages are delivered to the inbox? With the amount of good messages all our users have received, we should be well beyond the 200 not spam messages.

I would appreciate any clarification regarding all of this. Otherwise everything seems to be working smoothly and nicely.
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jaikudo

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migsutu wrote on Tue, 06 May 2008 15:35


I have another question related to this as well. Most of our users are using Outlook Connector. However we have a handful of people using Thunderbird via IMAP. I am confused though as to how the IMAP spam tagging works. Messages in the inbox are considered not spam, and messages moved to the junk email folder are spam? How does this work when all messages are delivered to the inbox? With the amount of good messages all our users have received, we should be well beyond the 200 not spam messages.


I think that moving any message into Junk Email is equivalent to pressing the Spam button and that moving any message out of Junk Email (although probably not to the Deleted Items) is equivalent to pressing Not Spam. As such, it isn't the Inbox which is the magic folder for learning spam, it is Junk Email.

As I understand it, messages which are automatically detected as spam or not spam do not count towards the "learned" statistics. Only messages where the users manually mark them as spam or not spam count as learning.

I don't think users need to mark messages as spam or not spam unless the automatic dectection makes a mistake.
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migsutu

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I wonder if moving a message out of the inbox to some other box not junkmail will mark it as not spam. I guess I will send some message and check the logs right away to see what is happening.

I would think that all messages coming in would be counted as not spam in the filter, unless it was specifically marked as spam. I guess it doesn't work like that?

I looked at the number of messages learned again and it has risen to 169 messages as not spam. It seems it just takes a while for it to scan each message before it counts it? This would make sense to me since it has to actually scan each message, which takes time I am sure.
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RHarmsen.nl

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The statistics shown are only updated periodically and not after each message learned so a delay could happen.


Also for letting the filter really kick in at least 200 not spam, and 200 spam messages need to be counted, so just let the messages come in, and your users mark when needed and the filtering will automatically get better.



Good luck with your filters!
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migsutu

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The filter has kicked into action today. We are noticing a Huge difference in the amount of spam. I am pleased and can't wait till it improves even more. Thanks for the help.
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freakinvibe

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Remember that the best spam protection has multiple layers, so I would not only rely on bayes and spam assassin rules, but also on RBLs and Spam Repellent. They all do a good job for me and are included for free in KMS.

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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