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yukiomishima

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howdy

still using kerio 7.4.3

is there any way to prevent out of office / autoreply messages sending to newsletters, suspected spammers (that aren't picked up by our blacklists / custom spam list)

speaking of spam... we seem to be getting a lot more of it recently... can anyone please provide their optimal settings for minimising spam (blacklists enabled, settings etc etc)

HUGE thanks in advance

yukioMishima

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scottwilkins

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Definitely update your version of Kerio. Almost each update also updates the Spamassasin engine, which will help tremendously. Spam is a moving target, so these updates are very important in that fight.
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camisy

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Since version 8 Greylisting and RDNS check is build in that helps against receiving spam. Also take a detailed look at your subscribed blacklists. For example check the spam emails that have not been marked as spam and check this IP on eg. valli.org. Then decide which blacklists work best for you, use multiple blacklists and increase or decrease scores.

For example I'm using Spamcop +2, NixSpam +3, Spamhaus block, DNSWL -1 etc. You can also reset your Bayesian filter.
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Vicky Tripp (Kerio)

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Hi yukioMishima,

In regards to you first question, sadly you cannot stop the out of office response going to junk mail that happens to land in your Inbox. So really what you should do is upgrade like the other forum members have suggested, as there is a new spam assassin engine and greylisting is a great new feature to help stop a lot of spam.

All the best,
Vicky

Vicky Tripp
Kerio Technical Support Engineer
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MarkK

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Fine tune your spam assassin scores for the spam that you are seeing. Take a look at the mail headers for BOTH spam and good emails, and make adjustments to the scores assigned to the rules that are getting hit. Honestly, some of the default spam assassin spam values are .01 or .001, which are not really lending any weight to the score. BE CAREFUL! You don't want to just assign a high value to a particular rule, because it may be something that also shows up on good emails too.

You can create a custom score set in the ...\MailServer\plugins\spamassassin\ folder. Take a look at the end local.cf file to see how the scores are formatted. Then create a file to contain your custom scores; and I would suggest that you start the name with a "z", such as zMyScore.cf. Watching the Debug log when the server is loading spam assassin, I believe that the scoring files are loaded in order of the file name (but I could be wrong). Using a "z" would load your scores last, after all of the other default ones.

Make small adjustments to the scores, such as setting those .01 or .001 to something like .25 or .50; give them a little bit of weight to help the scores add up better. Then monitor the spams and the rule hits on them, as well as good emails, and keep making adjustments. It is time consuming, but can certainly help.
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yukiomishima

Messages: 185
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howdy

now running 8.3.4 patch 1

having issues where the autoreply is replying to messages that have been tagged as spam... going to the spam folder

is there any way to prevent this

thanks

yukioMishima
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