Bonjour,
Mon Trend Micro IMSS (serveur antispam) filtre a peut près 10 000 SPAM par jour, le probleme c'est que je ne fais que les taguer car certain des mail ne sont pas des SPAM mais pourtant reconnus comme tel.
Dans IMSS, j'ai une option "IP Filtering" dans laquelle je peut activer la partie SPAM, qui ne l'ai pas jusqu'a maintenant, mais je n'arrive pas à comprendre comment ce filtre fonctionne donc je vous cite la partie de la doc (en anglais) en espernt que vous puissiez me dire comment ça marche (en français...) car je ne voudrais pas activer cette regle et me retrouver avec des mail perdus
Configure threshold settings to determine when IMSS starts blocking IP addresses for each the following email threats:
Spam (click here for instructions)
To configure spam blocking settings:
Choose IP Filtering > Rules from the menu. The Spam tab appears by default. If you are on a different tab, click the Spam tab.
To enable blocking for spam, select the Enable check box.
Configure the following:
Duration to monitor?The number of hours that IMSS monitors email traffic to see if the percentage of spam email messages exceeds the Threshold you set below.
Threshold?The maximum percentage of spam email messages that IMSS will allow during the value you set for Duration to monitor above. The threshold is a fraction with a numerator and denominator:
rate(%)?Type the maximum number of allowable email messages with spam (the numerator).
Total mails?Type the total number of spam email messages out of which the threshold percentage is calculated (the denominator).
Consider the following example. You configure the following:
Duration to monitor: 1 hour at a rate of 20 out of 100
During each one-hour period that spam blocking is active, IMSS starts blocking IP addresses when more than 20% of the messages it receives contain spam and the total number of messages exceeds 100.
Next to Triggering action, select one of the following:
Block temporarily?Block email messages from the IP address and allow the upstream MTA to try again.
Block permanently?Never allow another email message from the IP address and do not allow the upstream MTA to try again.
Click Save.
Trend Micro suggests keeping the default values, which provide an adequate level protection. To restore the default values, click Restore Defaults.
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